Relevant bibliographies by topics / Scale prototype

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Scale prototype'

Author: Grafiati
Published: 2 November 2024

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Journal articles on the topic "Scale prototype"

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Song, Kee Nam. "Size Effect of PHE Prototype on High-Temperature Structural Integrity." Key Engineering Materials 525-526 (November 2012): 461–64. http://dx.doi.org/10.4028/www.scientific.net/kem.525-526.461.

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PHE (Process Heat Exchanger) is a key component for transferring the high-temperature heat generated from a VHTR (Very High Temperature Reactor) to a chemical reaction for massive production of hydrogen. Recently, Korea Atomic Energy Research Institute (KAERI) has manufactured a small-scale and a medium-scale PHE prototype made of Hastelloy-X of high-temperature alloy and a performance test on the PHE prototype is scheduled in a small-scale nitrogen gas loop established at KAERI. In this study, in order to compare the high-temperature structural integrity of the PHE prototypes under the normal test condition of the gas loop, high-temperature structural analyses on the PHE prototypes were carried out and the analyses results were compared to each other. As a result of comparisons, the high-temperature structural integrity of the medium-scale PHE prototype gets worse due to higher thermal expansion by a size effect.
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Pardo, Vicente, Maria Piedad Herrera, Jorge Molines, and Josep Ramon Medina. "PLACEMENT GRIDS, POROSITY AND RANDOMNESS OF ARMOR LAYERS." Coastal Engineering Proceedings 1, no. 33 (October 25, 2012): 37. http://dx.doi.org/10.9753/icce.v33.structures.37.

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Armor porosity and armor unit randomness are much easier to control in small-scale models constructed by hand than in prototype. Differences between design and prototype armor porosities and design and armor unit randomness can generate significant model effects. This paper describes realistic 3D placement tests with cube and Cubipod CAUs, using a small-scale crawler crane and pressure clamps. This research aims to estimate workable armor porosities at prototype scale and to determine the prototype placement grids to obtain the armor porosities commonly tested in laboratories. A new methodology based on laser scanning was developed to measure armor unit randomness. This methodology can be applied to both small-scale models and prototypes. Armor Randomness Indexes (ARIs) are proposed to measure the randomness of cube and Cubipod armor units. The ARI values were higher for Cubipods than for cubes.
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Cho, Uichung, Alan J. Dutson, Kristin L. Wood, and Richard H. Crawford. "An Advanced Method to Correlate Scale Models With Distorted Configurations." Journal of Mechanical Design 127, no. 1 (January 1, 2005): 78–85. http://dx.doi.org/10.1115/1.1825044.

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Functional testing of prototypes is a critical step in the development of many of today’s products. Results of functional tests allow for verification of proper performance before a product is introduced into the market. The advent of rapid prototyping technologies offers engineers the potential to dramatically reduce the prototype-test-verify cycle and get products to market quickly. However, dimensional and material property limitations of rapid prototypes often prevent them from being used for functional testing without the use of similitude methods to correlate measured prototype behavior with predicted product behavior. The traditional similarity method (TSM), which is based on the Buckingham Π theorem, requires that the dimensionless parameters of the prototype and product systems be identical in order to correlate their states and accurately predict product performance. The requirement of identical dimensionless parameters which is inherent in the TSM is often impossible to realize with the limited properties available from rapid prototyping technologies. In order to overcome this limitation, an empirical similarity method (ESM) has been developed. The general concept of the ESM is introduced along with an implementation procedure. Numerical and experimental examples are presented which demonstrate the feasibility and industrial impact of the ESM in the context of product design.
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Zhao, Zetao, Suduo Xue, and Xiongyan Li. "Research on the Method of Simplifying Concrete Substructures of Suspen-Dome Prototype Structure in Shaking Table Test Scale Model." Journal of the International Association for Shell and Spatial Structures 64, no. 2 (June 1, 2023): 57–67. http://dx.doi.org/10.20898/j.iass.2023.009.

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This paper proposed and studied the method of simplifying concrete substructures of the suspen-dome prototype structure in shaking table test scale model. Firstly, a method that replaces complex concrete substructures of the suspen-dome prototype structure with steel substructures in shaking table test scale model was proposed. And then, a dynamic integral scale model considering substructures was established. After that, the natural frequencies of the model were obtained by conducting white noise sweep test. Finally, the numerical scaled model was established by ABAQUS software, and the numerical model of the prototype structure was established by Midas/Gen software. The natural frequency, mode shape, and seismic response of the scale model were compared with the prototype structure. It is observed that the natural frequencies of the test scale model were very close to that of the prototype structure after considering the scale ratio, and the scaled model's first five modes were basically consistent with that of the prototype structure. Besides, the difference in acceleration response between the two modes is also small. It is proved that in shaking table test, the method of designing the integral scale model of replacing complex concrete substructures of the prototype structure with steel substructures is accurate and effective. The analysis results provides a reference for researchers and designers to more conveniently establish scaled models of suspen-dome structures in shaking table tests.
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Ventresque, Claire, Greg Turner, and Guy Bablon. "Nanofiltration: from prototype to full scale." Journal - American Water Works Association 89, no. 10 (October 1997): 65–76. http://dx.doi.org/10.1002/j.1551-8833.1997.tb08306.x.

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Real, Ricardo, Chris Snider, Mark Goudswaard, and Ben Hicks. "HOW DO PROTOTYPES CHANGE? CHARACTERISING QUANTITATIVE AND QUALITATIVE CHANGES BETWEEN PROTOTYPE ITERATIONS." Proceedings of the Design Society 3 (June 19, 2023): 2105–14. http://dx.doi.org/10.1017/pds.2023.211.

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AbstractPrototyping strategies and technology often focus on reducing the fabrication time and cost between design iterations, however, there is limited knowledge about the specific characteristics of change that prototyping strategies aim to impact. To investigate, and better understand these characteristics, this study curates and systematically analyses a representative dataset of 50 'real-world' prototype samples. The study aims to explore the various elements that constitute a design change and to determine their impact on the scale of volumetric change detected. The results highlight emergent patterns and correlations between study metrics to better understand the reasons for design change and the frequency and scale of changes detected in the sample dataset. Findings reveal that the purpose of a design change is, in certain cases, highly correlated to the scale of change affected, and that some changes are more prevalent in the dataset than others, with an average volumetric difference of 4.2% between sample versions detected. The study provides an initial characterisation of prototype change to guide iterative prototyping processes and improve the efficiency and effectiveness of design iterations.
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Hidayat, T., K. Syamsu, T. C. Sunarti, M. Nurilmala, and L. P. Manalu. "Prelimenary Study Technology Readiness Level and Techno-economic Analysis of Seaweed-Based Soft Capsule Prototypes." IOP Conference Series: Earth and Environmental Science 1289, no. 1 (December 1, 2023): 012015. http://dx.doi.org/10.1088/1755-1315/1289/1/012015.

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Abstract Product downstream to be marketable can be seen from the technological and techno-economic readiness level. This research aims to determine the level of technological and techno-economic readiness of the seaweed soft capsule prototype. The method used is to determine TRL (Technology Readiness Level) based on technometers and techno economics by looking at the sensitivity and feasibility of the business. The results show that the readiness level of the seaweed soft capsule prototype technology is at level 7, meaning that it has been scaled up but several parameters in industrial scale scale-up must be improved. For the feasibility techno-economic analysis of the seaweed soft capsule prototype, the Net B/C result was obtained with a value of 1.64. The NPV results obtained were 4,621,393,281, with an IRR of 33%. The payback period is estimated to be 3.01 years. The level of technological readiness and feasibility results show that the development of soft capsule prototypes for downstream commercialization has good prospects, as long as the availability of raw materials is guaranteed.
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Song, Kee-Nam, Sung-Deok Hong, and Hong-Yoon Park. "High-Temperature Structural Analysis of a Small-Scale PHE Prototype under the Test Condition of a Small-Scale Gas Loop." Science and Technology of Nuclear Installations 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/312080.

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A process heat exchanger (PHE) is a key component for transferring the high-temperature heat generated from a very high-temperature reactor (VHTR) to a chemical reaction for the massive production of hydrogen. The Korea Atomic Energy Research Institute has designed and assembled a small-scale nitrogen gas loop for a performance test on VHTR components and has manufactured a small-scale PHE prototype made of Hastelloy-X alloy. A performance test on the PHE prototype is underway in the gas loop, where different kinds of pipelines connecting to the PHE prototype are tested for reducing the thermal stress under the expansion of the PHE prototype. In this study, to evaluate the high-temperature structural integrity of the PHE prototype under the test condition of the gas loop, a realistic and effective boundary condition imposing the stiffness of the pipelines connected to the PHE prototype was suggested. An equivalent spring stiffness to reduce the thermal stress under the expansion of the PHE prototype was computed from the bending deformation and expansion of the pipelines connected to the PHE. A structural analysis on the PHE prototype was also carried out by imposing the suggested boundary condition. As a result of the analysis, the structural integrity of the PHE prototype seems to be maintained under the test condition of the gas loop.
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Li, Zhiyang, Wenyu Qu, Yuan Cao, Heng Qi, Milos Stojmenovic, and Jia Hu. "Scale balance for prototype-based binary quantization." Pattern Recognition 106 (October 2020): 107409. http://dx.doi.org/10.1016/j.patcog.2020.107409.

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Fischer, H. M., M. Hauschild, H. Hartmann, A. Hegerath, H. Boerner, H. J. Burckhart, M. Dittmar, et al. "The OPAL jet chamber full scale prototype." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 252, no. 2-3 (December 1986): 331–42. http://dx.doi.org/10.1016/0168-9002(86)91202-7.

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Dissertations / Theses on the topic "Scale prototype"

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Umans, Ari S. "Small-scale Advanced Thermo-Adsorptive Battery prototype." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/101484.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 57-58).
A significant effort is underway to develop an adsorption-driven system with the capacity to replace the heating, ventilation and air-conditioning (HVAC) system in an electric vehicle. This Advanced Thermo-Adsorptive Battery (ATB) system uses novel adsorbent materials and methods of optimizing transport properties, without which the desired energy and power densities are unattainable. The work in this thesis runs parallel to that effort, with the development of a small-scale version of the ATB. Two novel prototype designs are discussed. The first, though never fully operational, was an attempt to demonstrate the potential of ATB technology to be scaled to meet countless heating and cooling applications. The second prototype was designed to be a system for testing aspects of ATB operation on a small scale. This prototype uses small quantities of adsorbents, reducing material costs and shortening time scales, and has a great deal of operating flexibility, enabling a number of system conditions to be parametrically studied. Testing and experimental procedures have been developed, and preliminary experimental data have been used to ensure proper prototype operation. This prototype will continue to be used as a tool to characterize ATB system operation and aid in understanding the technology.
by Ari S. Umans.
S.M.
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Harpold, Adrian Adam. "Stream Discharge Measurement Using A Large-Scale Paticle Image Velocimetry Prototype." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/40870.

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Flow information is necessary in many diverse applications including water supply management, pollution control, irrigation, flood control, energy generation, and industrial use. New technologies have been developed for the establishment of stage-discharge relationships due to concerns about costs, accuracy, and safety of traditional discharge estimation methods. One emerging technology for measuring open-channel flow is Large-Scale Particle Image Velocimetry (LSPIV). LSPIV is a system capable of measuring surface velocity by collecting and analyzing recorded images of the stream surface. LSPIV has several advantages over conventional discharge measurement techniques: LSPIV is safer, could be automated to reduce labor, and could produce â real-timeâ discharge measurements. Therefore, the overall goal of this study was to evaluate the accuracy and feasibility of using LSPIV to measure discharge in low-order streams. The specific goals were to develop and test a prototype under varying conditions in a laboratory flume, adapt the prototype for field conditions, test the accuracy of the prototype in the field, and assess and recommend improvements for LSPIV operation as a stream discharge measuring device. The laboratory experiments results indicated that LSPIV accuracy was influenced by camera angle, surface disturbances and flow regime (Froude number), and particle seeding density. Camera angle was optimum around 15 degrees, with larger camera angles producing more error due to image distortion. Conditions at high Froude numbers likely produced out-of-plane displacement losses due to surface disturbances. Low Froude numbers also showed under-predictions, which were likely due to agglomeration of the tracer particles at low velocities. Finally, the laboratory results demonstrated that tracer seeding density should be maximized and that densities below three particles per interrogation window should significantly reduce LSPIV accuracy. The LSPIV prototype was tested at two low-order streams after developing a field prototype and operating procedures. Under field conditions, the prototype acquired consistent images, performed the necessary image processing, and established rules for estimating input parameters. The accuracy of LSPIV was evaluated using a Flo-Mate 2000 current meter and a permanent weir. Overall, twenty discharge measurements were taken with each measuring device at Stroubles Creek and Crab Creek. The discharges measured ranged from 0.12 to 63 cfs, which corresponded to a large range of velocities, with both simple and complex flow patterns. Problems were encountered from surface glare reducing image quality at both sites. The LSPIV prototype was accurate for most measuring conditions with a mean error of -1.7%, compared to the weir measurements. The LSPIV measurements tended to under-predict discharge at high stages and had greater error at moderate flows (up to 39%) compared to the weir. However, at low flow conditions LSPIV showed improved discharge accuracy over the current meter, in comparison to the weir measurements. The LSPIV discharge measurements were not statistically different from either the current meter or weir (á = 0.05). Finally, the LSPIV discharge measurements had an uncertainty of approximately ±14% (at a 95% confidence interval). In conclusion, LSPIV accuracy can be degraded by surface disturbances, inadequate illumination, and poor seeding densities. However, LSPIV showed adequate accuracy with the potential to become competitive with conventional discharge measurement techniques and therefore, has the potential to reduce costs and increase the geographic extent of surface water monitoring networks.
Master of Science
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Calvo, Catoira Marta. "Small caliber arterial prosthesis: prototype and pre-industrialization." Doctoral thesis, Università del Piemonte Orientale, 2020. http://hdl.handle.net/11579/114874.

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Cardiovascular diseases represent the leading cause of death in developed countries. Modern surgical methods show poor efficiency in the substitution of small-diameter arteries (< 6 mm). Due to the mismatch in mechanical properties between the native artery and the substitute, the behavior of the vessel wall remains a major cause of inefficient substitutions an unsolved complication in surgery since 1970. The purpose of this work was to obtain polylysine-enriched vascular substitutes, derived from decellularized porcine femoral and carotid arteries. Polylysine was selected as a matrix cross-linker, increasing the mechanical resistance of the scaffold with respect to decellularized vessels, without altering the native biocompatibility and haemocompatibility properties. The biological characterization showed excellent biological performances, while mechanical tests displayed that the Young’s modulus of the polylysine-enriched matrix was comparable to that of the native vessel. Concerning haemocompatibility, the performed analyses show that polylysine-enriched matrices increase coagulation time, with respect to commercial Dacron® vascular substitutes. Based on these findings, polylysine-enriched decellularized vessels resulted in a promising approach for vascular substitution. In order to consider the industrial phase, a business plan (BP) and the preengineering of the production reactor were developed in the present project. Is crucial to consider the scale-up process of the project from the initial stages to increase the chances of its success. In this way, the feasibility study will contemplate the viability of the project from an economic point of view thus, the BP is the most important document of the study. From an engineering point of view, the industrial production reactor is the heart of the plant, so designing it from the outset will allow considering costs and performing the necessary experiments for its final design.
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Porter, Spencer. "A prototype of a centimeter-scale biomimetic fish using buckypaper composite actuators." Tallahassee, Fla. : Florida State University, 2010. http://purl.fcla.edu/fsu/lib/digcoll/undergraduate/honors-theses/2181954.

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Thesis (Honors paper)--Florida State University, 2010.
Advisor: Dr. Richard Liang, Florida State University, College of Engineering, Dept. of Industrial Engineering. Includes bibliographical references.
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Stallings, Brad L. "Design of a ship service converter module for a reduced-scale prototype integrated power system." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2001. http://handle.dtic.navy.mil/100.2/ADA392078.

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Thesis (M.S. in Electrical Engineering) Naval Postgraduate School, December 2001.
Thesis advisor(s): Ciezki, John G. ; Ashton, Robert W. "December 2001." Includes bibliographical references (p. 201-202). Also available in print.
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Saunders, Daniel Martin. "First data reconstruction and inverse beta decay analysis at the large scale SoLid prototype detector." Thesis, University of Bristol, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.723466.

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Magnusson, Anton. "Hardware-In-the-Loop simulation of a small scale prototype of a Wave Energy Converter." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-20698.

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Renewable energy sources are a hot topic, both when it comes to climate change and the constant increase in demand of electricity due to population growth and a more electrified society. One such energy source is wave energy - an energy source with great potential but still relatively new with the need for further development. Blekinge Institute of Technology (BTH) together with Ocean Harvesting Technologies (OHT) have made a collaboration to build a scaled Hardware-In-the-Loop (HIL) system of a power take-off (PTO) based on OHTs wave energy converter, InfinityWEC. The purpose is to teach the students at BTH about hydrodynamic and HIL simulations. A manual will also be written to help students perform the lab activities. A model of the HIL system will first be implemented in Matlab/Simulink, both with and without the WEC-Sim hydrodynamic simulation toolbox and simulations will be run to predict the system's behaviour. To parametrize the hydrodynamic model, the open-source Boundary Element Method (BEM) code, NEMOH, is used. The HIL system consists of electric motors, connected mechanically to each other with a coupling. One of the motors is the actuator, which applies torque to the second motor according to the simulated hydrodynamic loads on the buoy. The second motor on the other hand applies a torque according to the load connected to it or torque-controlled according to a selected control strategy. In this thesis two different types of loading is used: 1) resistive load without control of the generator drive, 2) resistive and capacitive load with reactive control of the generator drive. The load resistance can be changed within a limited range as well as the sea state. Data that can be collected are the position and angular velocity of the motors, the currents to and from the two motors and the voltage over the load capacitance. The project concluded that the compensation needed for the motors to get the true hydrodynamic force has little effect when using reactive control and that a protective capacitor is be needed between the actuator motor and the power supply to protect it from reverse current. Finally, this work demonstrated the effectiveness of HIL systems to execute simulations to test and validate PTO systems in wave energy converters. The advantages are that one can create representative wave loading without the presence of water and with ease test different sea states.
Förnybara energikällor är ett hett ämne, både när det gäller klimatförändringar och den ständiga ökningen av efterfrågan av el på grund av befolkningsökning och ett mer elektrifierat samhälle. En sådan energikälla är vågenergi - en energikälla med stor potential men fortfarande relativt ny med behov av vidareutveckling. Blekinge Tekniska Högskola (BTH) vill tillsammans med Ocean Harvesting Technologies (OHT) konstruera ett skalat Hardware-In-The-Loop (HIL) system av power take-off (PTO) baserat på OHT:s vågenergiomvandlare, InfinityWEC. Syftet är att lära eleverna på BTH om hydrodynamik och HIL-simuleringar. En manual kommer också att skrivas för att hjälpa eleverna att utföra labbaktiviteterna. En modell av HIL-systemet kommer först att konstrueras i Matlab/Simulink, både med och utan WEC-Sim hydrodynamisk simuleringsverktygslåda och simuleringar kommer att köras för att förutsäga systemens beteende. För att bestämma de nödvändiga parametrarna för hydrodynamiska modellen används Boundary Element Method koden NEMOH. HIL-systemet består av elmotorer, som är mekaniskt anslutna till varandra med en koppling. En av motorerna är ställdonet, som tillämpar vridmoment på den andra motorn enligt de simulerade hydrodynamiska belastningarna på bojen. Den andra motorn tillämpar ett vridmoment enligt belastningen som är kopplad till den eller är moment reglerad enligt en vald kontrollstrategi. I denna avhandling används två olika typ av belastning: 1) resistiv belastning utan kontroll av generatorndrivdonet, 2) resistiv och kapacitive belastning med reaktiv kontroll av generatorndrivdonet. Belastningsmotståndet kan ändras inom ett visst intervall och lika så havstillståndet. Data som kan samlas in är motorernas position och vinkelhastighet, strömmen till och från de två motorerna och spänningen över last kapasitatorn. I projektet drogs slutsatsen att den kompensation som behövs för motorerna för att få den riktiga hydrodynamiska kraften har liten påverkan reaktiv kontroll används och att det behövs en skyddande kondensator mellan ställdonsmotorn och strömförsörjningen för att skydda den mot bakström. Slutligen visade detta arbete hur effektiva HIL-system är för att utföra simuleringar för att testa och validera PTO-system i vågenergiomvandlare. Fördelarna är att man kan skapa representativ vågbelastning utan närvaro av vatten och med lätthet testa olika havstillstånd.
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Hassan, Md Fuhad. "Experimental study of droplet actuation,splitting and particles manipulation using a cross scale digital microfluidics prototype." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44244.

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Digital microfluidics (DMF) system or device can be used as a significant and useful tool for chemical, bio-chemical and bio-medical applications because of its capability to perform basic fluidic functions and sequential chemical reactions on miniscule (nanolitre) droplets with better precision and accuracy. Application of sufficient electric potential in a sequence of electrodes manipulates the droplet in an electro wetting on dielectric (EWOD)-based DMF system. The successful implementation and the reliability of an EWOD-based DMF system depends on perfect design and fabrication of the lab-on-a-chip or DMF chip and also on the successful demonstration of basic fluidic functions including droplet actuation, splitting, mixing and separation within the DMF system. This thesis focuses on the study of the efficacy and feasibility of cost-effective fabrication of a cross-scale electrode design for EWOD-based digital microfluidics lab-on-a-chip (LOC) systems. The intended microfluidic operations on this LOC include droplet actuation, splitting and particles manipulation (separation). The main features of the proposed cross-scale digital microfluidics prototype include one or more reservoirs, a linear array of square and rectangular electrodes forming the channel for liquid droplets, and a separation site consisting of multiple strip electrodes known as the high density electrodes or the strip electrodes. The fabrication process introduces newer dielectric materials (Cyanoethyl Pullulan (CEP) and S1813 positive photoresist) which result in a simpler fabrication of the proposed DMF prototype. The newer dielectric materials also enhance the functional quality by reducing the required voltage for droplet actuation and increasing the breakdown voltage. Successful droplet splitting has been demonstrated on the proposed cross-scale DMF prototype, and droplet actuation is investigated as the precursor for any operations including splitting. Dielectrophoresis (DEP) is applied to the strip electrodes of the proposed prototype to enhance the movement of particles. The non-uniform electric field generated by the DEP controls the motion of the particles. The strip electrodes are used to enhance the particle trapping and one-side (within the droplet) movement of the particles. A flawless cross-scale digital microfluidics prototype is built by optimizing the fabrication recipe.
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Alqhatani, Eid S., and Fahad A. Bin Huwaymil. "Analysis, design and implementation of a proof-of-concept prototype to support large-scale military experimentation." Thesis, Monterey, California: Naval Postgraduate School, 2013. http://hdl.handle.net/10945/37579.

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Approved for public release; distribution is unlimited
FORCEnet Innovation and Research Enterprise (FIRE) is an enterprise computer-based solution developed to support large-scale experimentation in the Navy and Department of Defense. Every year, experiments are conducted such as Trident Warrior (TW) events to assess new capabilities developed to achieve FORCEnet concept. FIRE is also used to support experimentation in other projects and for other services. FIRE was built by the Naval Postgraduate School to provide the necessary tools for the coordination of the planning, execution and reporting of these experiments. Since its inception in 2003, FIRE has played an essential role in TW by empowering all stakeholders with the collaborative and management tools to perform tasks that were time-consuming and manpower-intensive in the past. However, a survey conducted a few years ago showed that FIRE lacks some required features and improvement in various areas needed to be considered. The objective of this thesis was to design, develop, and test a proof-of-concept prototype of an improved web-based application to support the coordination of large-scale experimentation to address the shortcomings of the old FIRE system. This was achieved by using the following: a modern design approach; the Model-View-Controller; a state-of-the-art framework; Oracle Application Development Framework; and powerful development tools such as Oracle JDeveloper and Oracle WebCenter.
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Vardon, Philip James. "Three-dimensional numerical investigation of the thermo-hydro-mechanical behaviour of a large-scale prototype repository." Thesis, Cardiff University, 2009. http://orca.cf.ac.uk/54832/.

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This thesis describes the modelling of the thermo-hydro-mechanical behaviour of a large-scale experiment, carried out at SKB's underground research laboratory in Aspo, Sweden. The experiment, known as the Prototype Repository Project, was constructed in highly fractured granite rock and is scheduled to last 20 years. Results from the experiment are collected systematically by SKB from the initial rock characterisation to the highly instrumented installed material. The model applied is the thermo-hydro-mechanical model previously developed at the Geoenvironmental Research Centre (GRC). The GRC's current model was extended to successfully accommodate three-dimensional THM behaviour, including the development of a high-performance computing algorithm using both multi-threaded and message-passing programming paradigms to enable simulations to be completed in significantly reduced time. Model simulations have been conducted of both the pre-placement stage of the experiment and the post-placement operational phase. The results of the pre-placement phase have been used to aid the calibration of the simulation and provide confidence in the development of the operational phase simulation. In the pre-placement phase simulation, a pragmatic approach using a combination of an effective continuum model and a number of key discontinuities was employed. A domain of 100 x 100 x 160m was used, discretised into over 550,000 finite-elements. The simulations were able to reproduce three-dimensional highly anisotropic flow conditions shown in the experimental results. The post-placement operational stage was then simulated in three-dimensions using the same rock domain as for the pre-placement analyses, including the buffer material, and discretised into over 920,000 elements. A number of key features, including the anisotropic hydraulic behaviour, were captured. It was concluded that the geological conditions, backfill re-saturation and buffer re-saturation, including the micro-structural effects of the bentonite, are all important to the simulation of a high-level waste repository. Long term simulation results were also presented. A number of aspects were explored using two-dimensional analyses, including the macro/micro- structural interactions of the bentonite buffer. A time-dependant form of the hydraulic conductivity relationship was developed and yielded significantly improved results in long-term analyses. The behaviour of a fracture intersecting a deposition-hole was also investigated highlighting the importance of discrete fractures on hydration behaviour.
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Books on the topic "Scale prototype"

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Schleicher, Robert H. Modeling prototype railroads: Quick & simple techniques for creating realistic HO scale model railroads. Minneapolis, MN: MBI Pub. Company, 2010.

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Vatsky, J. Evaluation of sulfur capture capability of a prototype scale controlled-flow/split-flame burner. Research Triangle Park, NC: U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1987.

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D, Berry John, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Wind-tunnel evaluation of a 21-percent-scale powered model of a prototype advanced scout helicopter. [Washington, D.C.]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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D, Berry John, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Wind-tunnel evaluation of a 21-percent-scale powered model of a prototype advanced scout helicopter. [Washington, D.C.]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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Hamil, Henry F. Fabrication and pilot scale testing of a prototype Donnan dialyzer for the removal of toxic metals from electroplating rinse waters. Cincinnati, OH: U.S. Environmental Protection Agency, Water Engineering Research Laboratory, 1985.

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Laboratory, Oak Ridge National, and U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research., eds. STARBUCS: A prototypic SCALE control module for automated criticality safety analyses using burnup credit. Washington, DC: U.S. Nuclear Regulatory Commission, Office of Nuclear Regulatory Research, 2001.

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Diesel detailing projects: Prototype modeling in HO scale. Waukesha, Wis: Kalmbach Books, 1995.

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Diesel Detailing Projects: Prototype Modeling in Ho Scale. Kalmbach Pub Co, 1995.

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(Photographer), Jean-Francois Barlier, and Narisa Chakra (Translator), eds. All the World's 1/43 Scale Ferraris: Sport, Prototype, 250Gt and Gto. P E I International, 1995.

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Amalla, Sammy. Construction, Operation, and Design Improvement of a Small-Scale Liquid Air Energy Storage System Prototype. Independently Published, 2019.

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Book chapters on the topic "Scale prototype"

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Lopez-Ridaura, Santiago, Sylvestre Delmotte, Christophe Le Page, Laure Le Quéré, Gaël Goulevant, Philippe Chauvelon, Alain Sandoz, and Jean-Claude Mouret. "Multi-Scale Integrated Assessment of Regional Conversion to Organic Farming (OF)." In Organic Farming, Prototype for Sustainable Agricultures, 453–78. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7927-3_25.

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Copeland, Z., B. Jung, M. J. D. Hayes, and R. G. Langlois. "Atlas Motion Platform Full-Scale Prototype Design." In Recent Advances in Mechanism Design for Robotics, 249–59. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18126-4_24.

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Giraud, A., B. Nogarede, Y. Bmegaptche-Tekap, M. Carvalho, C. Korbuly, A. Kitouni, J. B. Paris, et al. "Large Scale Morphing Prototype: Design and Experiments." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 47–88. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-22580-2_3.

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Jin, Tian, Jian Lu, and XiangZhi Sheng. "Admire – A Prototype of Large Scale E-collaboration Platform." In Grid and Cooperative Computing, 335–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-24680-0_57.

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Oh, Seon Ho, Seung-Wan Han, Beom-Seok Choi, and Geon-Woo Kim. "Prototype System Design for Large-Scale Person Re-identification." In Lecture Notes in Electrical Engineering, 649–51. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5041-1_103.

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Taheri, Mana, Lena Mayer, Karen von Schmieden, and Christoph Meinel. "The DT MOOC Prototype: Towards Teaching Design Thinking at Scale." In Understanding Innovation, 217–37. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60967-6_11.

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Jodin, G., M. Carvalho, C. Raibaudo, C. Döll, P. Mouyon, P. Doerffer, P. Flaszynski, et al. "Reduced Scale Prototype Morphing Achievements in Subsonic and Transonic Regimes." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 13–45. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-22580-2_2.

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Mohd Nor, Azuwir, Muhammad Hazim Amzar Badri, M. E. Baharudin, Mohd Sazli Saad, and Mohd Zakimi Zakaria. "Development of a Small-Scale Automatic Colour Sorter Prototype Machine." In Lecture Notes in Mechanical Engineering, 95–106. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-0169-8_8.

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Li, Hui, and Xin Yang. "Prototype of Sovereignty Network and Application of Private Network Based on MIN." In Co-governed Sovereignty Network, 183–257. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2670-8_5.

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AbstractMulti-Identifier Network (MIN) is compatible with IP network, and supports naturally and gradually de-IP, which will be promoted by users and the market for its performance gains rather than by compulsively. It is a predictable circumstance that the IP network may still be mainstream at United States of American in the future. But other countries will move away from IP to MIN in order to safeguard their sovereignty over cyberspace, and the connectivity between them and IP network are guaranteed through MIN. In other words, IP network will become the internal network of the United States, while other countries will constitute a multilateral governance network system based on MIN. In brief, the applications scenarios of Co-governed Sovereignty Network based on MIN could be classified into three scales: the small-scale scenarios such as high-security private networks for enterprises, industries, and government departments; the medium-scale scenarios of industrial Internet, private network of Internet of vehicles and smart city; the United Nations of Cyberspace: raplacing the current IP network with the large-scale high-security cyberspace for multilateral condominium and sovereign autonomy.
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Chen, Haoyi, and Claudia Pasquero. "Making Matter: Small-Scale Biomorphogenic Prototype Based on Ulva-Algae-Biopolymer." In Computational Design and Robotic Fabrication, 379–94. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-8405-3_32.

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AbstractRecent developments in digital architecture have placed a renewed focus on sustainable architectural materials and the circularity of material systems. Algae has emerged as a promising material for mitigating the effects of climate change due to its ability to absorb large amounts of carbon dioxide. However, the disposal of algal biomass can lead to significant CO2 emissions and air pollution. The upcycling of algae into composite materials can promote circular economies by reducing the demand for petroleum-based products. In this context, this research explores the potential of Ulva algae in creating 3D-printed architectural prototypes based on bio-algorithm. An experimental analysis of the material properties of algae-based plastic is conducted and compared to similar reference products. This study argues for the importance of designing and fabricating these materials at the required scale while leveraging bio-thinking principles to create closed-loop systems and maximize the potential of natural resources.
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Conference papers on the topic "Scale prototype"

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Liu, Wanlin, Du Zhenlong, and Li Xiaoli. "A video anomaly detection framework based on multi-scale dynamic prototype unit." In Sixteenth International Conference on Digital Image Processing (ICDIP 2024), edited by Zhaohui Wang, Jindong Tian, and Mrinal Mandal, 24. SPIE, 2024. http://dx.doi.org/10.1117/12.3037165.

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"Full-Scale Testing of Wacker Drive Viaduct Prototype." In SP-211: Large-Scale Structural Testing. American Concrete Institute, 2003. http://dx.doi.org/10.14359/12583.

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Ambrosino, Michele, Fabian Boucher, Pierre Mengeot, and Emanuele Garone. "Full-Scale Prototype for Bricklaying Activity." In 40th International Symposium on Automation and Robotics in Construction. International Association for Automation and Robotics in Construction (IAARC), 2023. http://dx.doi.org/10.22260/isarc2023/0013.

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Bertasi, Federico, Marco Bandiera, Alessandro Mancini, Ariana Pavesi, Andrea Bonfanti, and Massimiliano Bestetti. "Lab-Scale Anodization of Prototype Brake Calipers." In EuroBrake 2021. FISITA, 2021. http://dx.doi.org/10.46720/3846714eb2021-stp-012.

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Anodization plays a pivotal role in improving the corrosion resistance of Aluminum-Silicon alloys (AlSix) used in the production of brake calipers.[1] However, the presence of eutectic Silicon particles within the Al matrix can reduce the oxide layer growing rate, leading to inhomogeneous and porous coatings. Following this, tailored current/potential anodization waveforms have been developed, in order to overcome the presence of Silicon, thus obtaining anodic layers with enhanced morphological and corrosion-resistance features.[2][3] In this scenario, a fervent lab-scale R&D activity has been carried out regarding the optimization of pulsed anodization in terms of current density and frequency of the used square wave, obtaining: 1) coated AlSix specimens (30cm2) showing a superior corrosion resistance; and 2) a set of refined anodization parameters to be used to treat AlSix –based materials.[4] Unfortunately, anodization of a prototype caliper, using the obtained optimized waveforms, is not straightforward and appears particularly more challenging with respect to the lab-scale treatment of small specimens. Indeed, the presence of: a) non-uniform Silicon distribution (machined vs. non-machined regions); and b) shielded areas and/or sharp edges; can strongly influence the oxide growth, leading to inhomogeneous coatings and a morphology-dependent corrosion resistance. As a further step toward the implementation of the optimized parameters in an anodization pilot plant, an electrochemical bath is designed, aiming at: 1) anodize a single brake caliper; and 2) scale up the anodization parameters from specimens to caliper treatment. The manuscript will discuss the so-obtained anodized caliper in terms of oxide layer: a) morphology; b) wettability; and c) corrosion resistance. The effect of optimized vs. non-optimized parameters will be discussed as well. Results allow to outline the path for an advanced anodization process, that will briefly lead to obtain AlSix brake calipers with an extended corrosion resistance. References: [1] Bandiera, M., Bonfanti, A., Mauri, A., Mancini, A., Bestetti, M., Bertasi, F., “Corrosion Phenomena in Braking Systems”, CORROSION/20, Manuscript no. C2020-14550, 2020. [2] Bandiera, M., Bonfanti, A., Bestetti, M., Bertasi, F., “Anodization: Recent Advancements on Corrosion Protection of Brake Calipers”, SAE Technical Paper, Manuscript no. 2020-01-1626, 2020. [3] Fratila-Apachitei, L. E., J. Duszczyk, and L. Katgerman. "AlSi (Cu) anodic oxide layers formed in H2SO4 at low temperature using different current waveforms", Surface and Coatings Technology, 165.3, pp. 232-240, 2003. [4] Bandiera, M., Mancini, A., Pavesi, A., Bonfanti, A., Bestetti, M., Bertasi, F., “Optimized Pulsed Anodization for Corrosion Protection of Aluminum Silicon Alloys”, CORROSION/21, Manuscript no. C2021-16431, 2021. (under review).
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Boyd, Jeffrey E., Maxwell Sayles, Luke Olsen, and Paul Tarjan. "Internet broadcast of hockey: a scale prototype." In Electronic Imaging 2004, edited by Simone Santini and Raimondo Schettini. SPIE, 2003. http://dx.doi.org/10.1117/12.526891.

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Shen, Xiaobo, Weiwei Liu, Yong Luo, Yew-Soon Ong, and Ivor W. Tsang. "Deep Discrete Prototype Multilabel Learning." In Twenty-Seventh International Joint Conference on Artificial Intelligence {IJCAI-18}. California: International Joint Conferences on Artificial Intelligence Organization, 2018. http://dx.doi.org/10.24963/ijcai.2018/371.

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kNN embedding methods, such as the state-of-the-art LM-kNN, have shown impressive results in multi-label learning. Unfortunately, these approaches suffer expensive computation and memory costs in large-scale settings. To fill this gap, this paper proposes a novel deep prototype compression, i.e., DBPC for fast multi-label prediction. DBPC compresses the database into a small set of short discrete prototypes, and uses the prototypes for prediction. The benefit of DBPC comes from two aspects: 1) The number of distance comparisons are reduced in the prototype; 2) The distance computation cost is significantly decreased in the reduced space. We propose to jointly learn the deep latent subspace and discrete prototypes within one framework. The encoding and decoding neural networks are employed to make deep discrete prototypes well represent the instances and labels. Extensive experiments on several large-scale datasets demonstrate that DBPC achieves several orders of magnitude lower storage and prediction complexity than state-of-the-art multi-label methods, while achieving competitive accuracy.
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Lee, Jae-Jin, Chan Kim, KyungJin Byun, and NakWoong Eum. "Virtual prototype based on Aldebarn CPU core." In 2015 IFIP/IEEE International Conference on Very Large Scale Integration (VLSI-SoC). IEEE, 2015. http://dx.doi.org/10.1109/vlsi-soc.2015.7314434.

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Zhang, Kai, James T. Kwok, and Bahram Parvin. "Prototype vector machine for large scale semi-supervised learning." In the 26th Annual International Conference. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1553374.1553531.

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JI, UN, MYEONGHUI AHN, JUHA JÄRVELÄ, HYUNGSUK KIM, EUN-KYUNG JANG, JUNGEUN GU, and KAISA VÄSTILÄ. "PHYSICAL MODELLING OF SHRUB-WILLOW PATCHES IN PROTOTYPE SCALE." In 38th IAHR World Congress. The International Association for Hydro-Environment Engineering and Research (IAHR), 2019. http://dx.doi.org/10.3850/38wc092019-0347.

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de Rouck, Julien, Raf Verdonck, Peter Troch, Luc van Damme, Flemming Schlütter, and John de Ronde. "Wave Run-Up and Overtopping: Prototype Versus Scale Models." In 26th International Conference on Coastal Engineering. Reston, VA: American Society of Civil Engineers, 1999. http://dx.doi.org/10.1061/9780784404119.077.

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Reports on the topic "Scale prototype"

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Rutherford, Benjamin, Andrew Collins, Zachary Tyler, Patrick Border, Stanley Boc, and Timothy Rushing. Full-scale trafficability testing of prototype submersible matting systems. Engineer Research and Development Center (U.S.), October 2023. http://dx.doi.org/10.21079/11681/47701.

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This report describes the full-scale evaluation of prototype submersible matting systems (SUBMAT) at a test site at the US Army Engineer Research and Development Center’s Vicksburg, Mississippi, site. The SUBMAT prototypes were designed to bridge the gap between high and low tide at a beach interface to enable 24-hour operation at an expeditionary watercraft landing site. This phase of the SUBMAT prototype development was intended to determine prototype system durability by applying military vehicle loads representing a combat brigade insertion across a littoral zone. The two mat systems evaluated in this study were the PYRACELL Road Building System (PRBS) and a basaltic rebar mat system. The results of the study showed that the PRBS system was able to sustain 1,000 Medium Tactical Vehicle Replacement, 350 Heavy Expanded Mobility Tactical Truck, and over 150 M1A1 main battle tank passes without significant damage. The basaltic rebar mat failed early in the test and was removed from further consideration for the SUBMAT application. Observations and lessons learned from this phase of the prototype PRBS development will be used to improve the PRBS design and modify its installation procedures for improved efficiency.
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Bryant, Mary, Duncan Bryant, Leigh Provost, Nia Hurst, Maya McHugh, Anna Wargula, and Tori Tomiczek. Wave attenuation of coastal mangroves at a near-prototype scale. Engineer Research and Development Center (U.S.), September 2022. http://dx.doi.org/10.21079/11681/45565.

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A physical model study investigating the dissipation of wave energy by a 1:2.1 scale North American red mangrove forest was performed in a large-scale flume. The objectives were to measure the amount of wave attenuation afforded by mangroves, identify key hydrodynamic parameters influencing wave attenuation, and provide methodologies for application. Seventy-two hydrodynamic conditions, comprising irregular and regular waves, were tested. The analysis related the dissipation to three formulations that can provide estimates of wave attenuation for flood risk management projects considering mangroves: damping coefficient β, drag coefficient C𝐷, and Manning’s roughness coefficient 𝑛. The attenuation of the incident wave height through the 15.12 m long, 1:2.1 scale mangrove forest was exponential in form and varied from 13%–77%. Water depth and incident wave height strongly influenced the amount of wave attenuation. Accounting for differences in water depth using the sub-merged volume fraction resulted in a common fit of the damping coefficient as a function of relative wave height and wave steepness. The drag coefficient demonstrated a stronger relationship with the Keulegan–Carpenter number than the Reynolds number. The linear relationship between relative depth and Manning’s 𝑛 was stronger than that between Manning’s 𝑛 and either relative wave height or wave steepness.
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Briggs, Michael J. Analytical and Numerical Models of the RIBS XM99 Ocean-Scale Prototype. Fort Belvoir, VA: Defense Technical Information Center, September 2001. http://dx.doi.org/10.21236/ada397637.

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Robinson, W. Full-scale evaluation of multi-axial geogrids in road applications. Engineer Research and Development Center (U.S.), March 2022. http://dx.doi.org/10.21079/11681/43549.

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The U.S. Army Engineer Research and Development Center (ERDC) constructed a full-scale unsurfaced test section to evaluate the performance of two prototype geogrids, referred to as NX950 and NX750, in road applications. The test section consisted of a 10-in.-thick crushed aggregate surface layer placed over a very weak 2 California Bearing Ratio (CBR) clay subgrade. Simulated truck traffic was applied using one of ERDC’s specially designed load carts outfitted with a single-axle dual wheel truck gear. Rutting performance and instrumentation response data were monitored at multiple traffic intervals. It was found that the prototype geogrids improved rutting performance when compared to the unstabilized test item, and that the test item containing NX950 had the best rutting performance. Further, instrumentation response data indicated that the geogrids reduced measured pressure and deflection near the surface of the subgrade layer. Pressure response data in the aggregate layer suggested that the geogrids redistributed applied pressure higher in the aggregate layer, effectively changing the measured stress profile with an increase in pavement depth.
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Author, Not Given. Large Scale Prototype Breeder Reactor: Safety discussion Module Nos. 9, 10, and 11. Office of Scientific and Technical Information (OSTI), January 1987. http://dx.doi.org/10.2172/713840.

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Page, Martin, Bruce MacAllister, Marissa Campobasso, Angela Urban, Catherine Thomas, Clinton Cender, Clint Arnett, et al. Optimizing the Harmful Algal Bloom Interception, Treatment, and Transformation System (HABITATS). Engineer Research and Development Center (U.S.), October 2021. http://dx.doi.org/10.21079/11681/42223.

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Harmful algal blooms (HABs) continue to affect lakes and waterways across the nation, often resulting in environmental and economic damage at regional scales. The US Army Engineer Research and Development Center (ERDC) and collaborators have continued research on the Harmful Algal Bloom Interception, Treatment, and Transformation System (HABITATS) project to develop a rapidly deployable and scalable system for mitigating large HABs. The second year of the project focused on optimization research, including (1) development of a new organic flocculant formulation for neutralization and flotation of algal cells; (2) testing and initial optimization of a new, high-throughput biomass dewatering system with low power requirements; (3) development, design, assembly, and initial testing of the first shipboard HABITATS prototype; (4) execution of two field pilot studies of interception and treatment systems in coordination with the Florida Department of Environmental Protection and New York State Department of Environmental Conservation; (5) conversion of algal biomass into biocrude fuel at pilot scale with a 33% increase in yield compared to the previous bench scale continuous-flow reactor studies; and (6) refinement of a scalability analysis and optimization model to guide the future development of full-scale prototypes.
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Zhang, Xingyu, Matteo Ciantia, Jonathan Knappett, and Anthony Leung. Micromechanical study of potential scale effects in small-scale modelling of sinker tree roots. University of Dundee, December 2021. http://dx.doi.org/10.20933/100001235.

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When testing an 1:N geotechnical structure in the centrifuge, it is desirable to choose a large scale factor (N) that can fit the small-scale model in a model container and avoid unwanted boundary effects, however, this in turn may cause scale effects when the structure is overscaled. This is more significant when it comes to small-scale modelling of sinker root-soil interaction, where root-particle size ratio is much lower. In this study the Distinct Element Method (DEM) is used to investigate this problem. The sinker root of a model root system under axial loading was analysed, with both upward and downward behaviour compared with the Finite Element Method (FEM), where the soil is modelled as a continuum in which case particle-size effects are not taken into consideration. Based on the scaling law, with the same prototype scale and particle size distribution, different scale factors/g-levels were applied to quantify effects of the ratio of root diameter (𝑑𝑟) to mean particle size (𝐷50) on the root rootsoil interaction.
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Beardsley, M. Sub-Scale Prototype Spent Nuclear Fuel/High Level Waste (SNF/HLW) Containers - B559010 REV 02. Office of Scientific and Technical Information (OSTI), March 2008. http://dx.doi.org/10.2172/926398.

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Keyvani, Majid, and Craig Ostroff. Catalyst-Assisted Manufacture of Olefins from Natural Gas liquids: Prototype Development and Full-Scale Testing. Office of Scientific and Technical Information (OSTI), September 2015. http://dx.doi.org/10.2172/1357597.

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Cox, Chad W. W4E HYDROPOWER DIRECT DRIVE IN-LINE HYDROTURBINE GENERATOR FULL SCALE PROTOTYPE VALIDATION TESTING REPORT MAY 2013 ALDEN LABORATORIES. Office of Scientific and Technical Information (OSTI), September 2013. http://dx.doi.org/10.2172/1096577.

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