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Zeitschriftenartikel zum Thema „Crossbow design“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 6. Februar 2022

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1

Hsiao, Kuo-Hung. „STRUCTURAL SYNTHESIS OF ANCIENT CHINESE ORIGINAL CROSSBOW“. Transactions of the Canadian Society for Mechanical Engineering 37, Nr. 2 (Juni 2013): 259–71. http://dx.doi.org/10.1139/tcsme-2013-0016.

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The original crossbow was one of the most important weapons in ancient China. Since crossbows have diversified types and were widely used in ancient China after the Spring and Autumn Period (770-476 BC), the original crossbow should have many designs in different eras and regions. The aim of this work is to synthesize mechanism structures of the original crossbow. Based on the analyses of crossbows, the structural characteristics and design constraints of this device are concluded. Then, according to the concepts of generalization and specialization subject to the concluded design constraints, twelve feasible structures of mechanism that meet the technological standards of the subject’s time period are reconstructed.

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2

Landrus, Matthew. „The Proportional Consistency and Geometry of Leonardo's Giant Crossbow“. Leonardo 41, Nr. 1 (Februar 2008): 56–63. http://dx.doi.org/10.1162/leon.2008.41.1.56.

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The traditional scholarly appraisal of Leonardo's Giant Crossbow design dismisses it as a fanciful object, although often with praise of it as a quintessential example of his technical draftsmanship. The author offers evidence of Leonardo's likely intent that the drawing function as a reliable plan with which readers of a treatise on military engineering could consider a strategy, or an imaginative solution (a fantasia), for building the full-scale giant crossbow. At issue are the agreements between the illustrated dimensions and the written specifications, the proportional consistency of those dimensions and the possible use of Archimedean geometry to determine the primary dimensions.

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3

Chalakka, P., AM Thomas, F. Akkara und R. Pavaskar. „New design space regainers: ′Lingual arch crossbow′ and ′Double banded space regainer′“. Journal of Indian Society of Pedodontics and Preventive Dentistry 30, Nr. 2 (2012): 161. http://dx.doi.org/10.4103/0970-4388.100001.

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4

Virk, Amandeep S., J. Summerscales, W. Hall, S. M. Grove und M. E. Miles. „Design, manufacture, mechanical testing and numerical modelling of an asymmetric composite crossbow limb“. Composites Part B: Engineering 40, Nr. 3 (April 2009): 249–57. http://dx.doi.org/10.1016/j.compositesb.2008.10.004.

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5

Van den Bulck, E. „Optimal Design of Crossflow Heat Exchangers“. Journal of Heat Transfer 113, Nr. 2 (01.05.1991): 341–47. http://dx.doi.org/10.1115/1.2910567.

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The design of plate-fin and tube-fin crossflow heat exchangers is discussed. The transfer surface area of crossflow heat exchangers is used ineffectively because of the nonuniform distribution of the heat transfer across the volume of the exchanger. The optimal distribution of the transfer surface area for maximum heat exchanger effectiveness and constant total surface area is determined. It is found that a Dirac delta distribution of the transfer surface aligned along the diagonal of the crossflow exchanger gives the best performance; equal to that of a counterflow device. Design guidelines for optimal area allocation within crossflow heat exchangers are established. Compared to conventional designs, designs following these guidelines may lead to either a higher exchanger effectiveness for equal pressure drops and surface area, reduced pressure drops for equal exchanger effectiveness, or reduced weight and a near cubic form of the exchanger core for equal pressure drops and effectiveness.

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6

Liu, Peng, Dong Dong You und Wei Ming Zhou. „Segmented Optimization Design of Aluminum Alloy Goal Crossbar Based on FEM“. Advanced Materials Research 652-654 (Januar 2013): 1494–98. http://dx.doi.org/10.4028/www.scientific.net/amr.652-654.1494.

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Aluminum alloy goal crossbar (crossbar for short) as an essential part of soccer goals, according to practical needs, needs to be designed in other ways. So the segmented optimization design of crossbar has been proposed.This paper proposes that cut off crossbar from the middle first, then use an iron core turning the segmented crossbar into a whole part again when used. By means of parametric modeling in AutoCAD and SolidWorks and finite element analysis in MARC, the feasibility of the optimization design has been demonstrated. Finally, the paper comes to a conclusion via the way of experimental test.

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7

Hameed, MS, und DS Al-Mousilly. „Design of a crossflow filtration system“. Filtration & Separation 39, Nr. 5 (Juni 2002): 45–44. http://dx.doi.org/10.1016/s0015-1882(02)80174-4.

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8

Sinagra, Marco, Tullio Tucciarelli, Calogero Picone, Costanza Aricò und Marwa Hannachi. „Design of Reliable and Efficient Banki-Type Turbines“. Environmental Sciences Proceedings 2, Nr. 1 (05.09.2020): 49. http://dx.doi.org/10.3390/environsciproc2020002049.

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A new shape for the external surface of the Crossflow turbine blades is proposed, which allows for the preservation of hydraulic efficiency in spite of a significant maximum blade thickness providing mechanic robustness and reliability. The final shape of the blades is assessed using an iterative solution for two uncoupled models: a 2D computational fluid dynamic (CFD) and a structural 3D finite element method (FEM) analysis of a single blade. Application of the proposed methodology to the design of a power recovery system (PRS) turbine, a new backpressure Crossflow-type inline turbine for pressure regulation, and energy production in a real Sicilian site follows.

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9

EGAMI, Yasuhiro, Yasuaki KOHAMA und Tatsuya ONODERA. „Design and Control of Crossflow Instability Field.“ Transactions of the Japan Society of Mechanical Engineers Series B 63, Nr. 607 (1997): 849–56. http://dx.doi.org/10.1299/kikaib.63.849.

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10

Shah, Sanjeev Kumar, und Gyanendra Kumar Gupta. „Design of Crossbar Mixer at 94 GHz“. Wireless Sensor Network 07, Nr. 03 (2015): 21–26. http://dx.doi.org/10.4236/wsn.2015.73003.

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11

Tsai, Mei-Hsiang, Po-Yang Hsu, Hung-Yi Li, Yi-Huang Hung und Yi-Yu Liu. „Routability optimization for crossbar-switch structured ASIC design“. ACM Transactions on Design Automation of Electronic Systems 18, Nr. 3 (Juli 2013): 1–28. http://dx.doi.org/10.1145/2491477.2491483.

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12

Hanif, Muhammad Abdullah, Aditya Manglik und Muhammad Shafique. „Resistive Crossbar-Aware Neural Network Design and Optimization“. IEEE Access 8 (2020): 229066–85. http://dx.doi.org/10.1109/access.2020.3045071.

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13

Uddin, Mesbah, MD Badruddoja Majumder, Karsten Beckmann, Harika Manem, Zahiruddin Alamgir, Nathaniel C. Cady und Garrett S. Rose. „Design Considerations for Memristive Crossbar Physical Unclonable Functions“. ACM Journal on Emerging Technologies in Computing Systems 14, Nr. 1 (13.03.2018): 1–23. http://dx.doi.org/10.1145/3094414.

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14

McLeod, Robert R., Kuang-yi Wu, Kelvin Wagner und Robert T. Weverka. „Acousto-optic photonic crossbar switch Part I: design“. Applied Optics 35, Nr. 32 (10.11.1996): 6331. http://dx.doi.org/10.1364/ao.35.006331.

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15

Das, Jadav Chandra, und Debashis De. „Nanocommunication network design using QCA reversible crossbar switch“. Nano Communication Networks 13 (September 2017): 20–33. http://dx.doi.org/10.1016/j.nancom.2017.06.003.

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16

Waheed Mustafa, Ahmed, und Hajir Hussein Abdul Elqadir. „Constructal design of multiscale elliptic tubes in crossflow“. Heat Transfer 49, Nr. 4 (27.02.2020): 2059–79. http://dx.doi.org/10.1002/htj.21708.

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17

Fukui, Masaki, und Ken-ichi Kitayama. „Design considerations of the optical image crossbar switch“. Applied Optics 31, Nr. 26 (10.09.1992): 5542. http://dx.doi.org/10.1364/ao.31.005542.

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18

Csaba, G., und P. Lugli. „Read-Out Design Rules for Molecular Crossbar Architectures“. IEEE Transactions on Nanotechnology 8, Nr. 3 (Mai 2009): 369–74. http://dx.doi.org/10.1109/tnano.2008.2010343.

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19

Adhikari, Ram, und David Wood. „Computational Analysis of a Double-Nozzle Crossflow Hydroturbine“. Energies 11, Nr. 12 (03.12.2018): 3380. http://dx.doi.org/10.3390/en11123380.

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The crossflow turbines commonly used in small hydropower systems have a single nozzle. We are unaware of any studies of double-nozzle crossflow turbines which could have twice the power output of the single-nozzle design by doubling the flow through the same runner, with a high maximum efficiency. We present a computational analysis of a double-nozzle crossflow turbine, to determine the turbine efficiency and fundamental flow patterns. This work was based on a single-nozzle crossflow turbine with a maximum efficiency of 88%, one of the highest reported in the open literature through extensive experimental measurements. Previous numerical studies on this turbine have shown that the water flow in the runner was confined to less than half the runner periphery, implying that the other half could be used to double the runner power output by employing a second nozzle. We show that adding a second, identical nozzle without making any other changes to the design achieves a doubling of the power output. The dual-nozzle turbine, therefore, has the same efficiency as the original turbine. We also investigate the use of a slider to control the flow at part-load and show that part-load efficiency of the double-nozzle is very similar to that of the original turbine. This demonstrates the feasibility of using two nozzles for crossflow turbines.

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20

Kovarik, M. „Optimal Heat Exchangers“. Journal of Heat Transfer 111, Nr. 2 (01.05.1989): 287–93. http://dx.doi.org/10.1115/1.3250676.

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The design of optimal heat exchangers is formulated as the solution of five simultaneous equations. The analysis of these equations yields general properties of optimal crossflow heat exchangers; in particular, an upper bound of 1/3 is given for the fractional cost of maintaining the flow through the heat exchanger. Some of these general properties also apply in the presence of a simple constraint. It is shown that some technically feasible designs cannot be optimal under realistic costs and others under any costs.

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21

Kurniawati, Diniar Mungil. „Investigasi Performa Turbin Angin Crossflow Dengan Simulasi Numerik 2D“. JTT (Jurnal Teknologi Terpadu) 8, Nr. 1 (27.04.2020): 7–12. http://dx.doi.org/10.32487/jtt.v8i1.762.

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Wind turbine is a solution to harness of renewable energy because it requires wind as the main energy. Wind turbine work by extracting wind energy into electrical energy. Crossflow wind turbine is one of the wind turbines that are developed because it does not need wind direction to produce maximum efficiency. Crossflow wind turbines work with the concept of multiple interactions, namely in the first interaction the wind hits the first level of turbine blades, then the interaction of the two winds, the remainder of the first interaction enters the second level blades before leaving the wind turbine. In the design of crossflow wind turbine the diameter ratio and slope angle are important factors that influence to determine of performance in crossflow wind turbine. In this study varied the angle of slope 90 ° and variations in diameter ratio of 0.6 and 0.7. The study aimed to analyze the effect of diameter ratio and slope angle in performance of the crossflow wind turbine. This research was conducted with numerical simulation through 2D CFD modeling. The results showed that the best performance of crossflow wind turbine occurred at diameter ratio variation 0.7 in TSR 0.3 with the best CP value 0.34.

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22

Dini Oktavitasari, Dominicus Danardono Dwi Prija Tjahjana und Syamsul Hadi. „Experimental Investigation on The Wake Effect of Crossflow Wind Turbines“. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 85, Nr. 2 (05.08.2021): 44–50. http://dx.doi.org/10.37934/arfmts.85.2.4450.

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An optimal design of an aligned configuration using a vertical axis wind turbine especially a crossflow wind turbine to increase rate and power production is one of the problems in wind energy. In the present work, an experimental investigation is presented to evaluate the impact of the wake effect on the dynamic performance of an aligned configuration and compared characteristics of the crossflow wind turbine for 12 x 12 number of blades. In arrays, the spacing parameters of the crossflow wind turbines were conducted with three different spacings (1D; 2D; and 3D) where a crossflow wind turbine was operating downstream of a co-rotating pair. The crossflow wind turbines arranged in inline configurations. Experiments were carried out in a closed-circuit WT-30 aerodynamic laboratory wind tunnel in a ratio velocity of 7.51 m/s. Measurement data of each wind turbines were reported in terms of dimensionless power coefficient (CP) and torque coefficients (CT) for dynamic performance analysis. The experimental results were aligned configuration spacing and the number of blades affects enhancement aerodynamic performance of the downstream crossflow wind turbines. The best performance turbine spacings in aligned configurations are 3D. Wind flow has a distance to be streamlined.

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23

Junhee Yoo, Sungjoo Yoo und Kiyoung Choi. „Topology/Floorplan/Pipeline Co-Design of Cascaded Crossbar Bus“. IEEE Transactions on Very Large Scale Integration (VLSI) Systems 17, Nr. 8 (August 2009): 1034–47. http://dx.doi.org/10.1109/tvlsi.2009.2017442.

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24

Woo, Tai-Kuo. „Design and performance analysis of crossbar ATM switching architecture“. Computer Communications 21, Nr. 1 (Februar 1998): 88–94. http://dx.doi.org/10.1016/s0140-3664(97)00108-4.

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25

Gholipour, Morteza, und Nasser Masoumi. „Design investigation of nanoelectronic circuits using crossbar-based nanoarchitectures“. Microelectronics Journal 44, Nr. 3 (März 2013): 190–200. http://dx.doi.org/10.1016/j.mejo.2013.01.006.

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26

Gilron, Jack, Liming Song und Kamalesh K. Sirkar. „Design for Cascade of Crossflow Direct Contact Membrane Distillation“. Industrial & Engineering Chemistry Research 46, Nr. 8 (April 2007): 2324–34. http://dx.doi.org/10.1021/ie060999k.

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27

Ghosh, Swaroop, Rashmi Jha, Anirudh Iyengar und Rekha Govindaraj. „Design Space Exploration for Selector Diode-STTRAM Crossbar Arrays“. IEEE Transactions on Magnetics 54, Nr. 6 (Juni 2018): 1–5. http://dx.doi.org/10.1109/tmag.2018.2810185.

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28

Ryś, Sylwia, Renata Muca, Michał Kołodziej, Wojciech Piątkowski, Astrid Dürauer, Alois Jungbauer und Dorota Antos. „Design and optimization of protein refolding with crossflow ultrafiltration“. Chemical Engineering Science 130 (Juli 2015): 290–300. http://dx.doi.org/10.1016/j.ces.2015.03.035.

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29

Hur, Jae Young, Stephan Wong und Todor Stefanov. „Design Trade-offs in Customized On-chip Crossbar Schedulers“. Journal of Signal Processing Systems 58, Nr. 1 (16.09.2008): 69–85. http://dx.doi.org/10.1007/s11265-008-0263-x.

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30

Halawani, Yasmin, Baker Mohammad und Hani Saleh. „Design Exploration of ReRAM-Based Crossbar for AI Inference“. IEEE Access 9 (2021): 70430–42. http://dx.doi.org/10.1109/access.2021.3076445.

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31

Jun, Liu, Xie Shouyong, Chen Chong, Xie Dan und Yang Mingjin. „A spintronic memristor crossbar array for fuzzy control with application in the water valves control system“. Measurement and Control 52, Nr. 5-6 (15.04.2019): 418–31. http://dx.doi.org/10.1177/0020294019838594.

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Fuzzy control, an intelligent control method, is generally employed to deal with complex nonlinear controlled objects that cannot be expressed by accurate mathematical model. Memristor, whose unique advantages are automatic successive memory and nonvolatility, brought new opportunity for solving the key question of fuzzy control. With the design idea of software harden, this paper first constructed membership function in the fuzzy controller based on the unique feature of crossbar array of the spintronic memristor and elaborated the whole construction process. After that, this paper simulated the construction process with MATLAB simulation software, verifying its reasonability and feasibility. Furthermore, a typical fuzzy control water tank system was chosen to explore and discuss the flexibility of spintronic memristor crossbar array in the real-time control system, and the proposed control strategy and the typical fuzzy control strategy were compared. The results revealed that the proposed control strategy was able to attain the effectiveness of the typical fuzzy control system in the real-time control system. This sets light to future research on the implementation of memristor crossbar array in the real-time control system and also promotes the application of fuzzy controller design idea. The problems needed to be solved when implementing memristor crossbar array in the real-time control system were discussed in the final section.

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32

Lippert, T. E., R. A. Newby, M. A. Alvin, D. M. Bachovchin, G. J. Bruck und E. E. Smeltzer. „Development of Hot Gas Cleaning Systems for Advanced, Coal-Based Gas Turbine Cycles“. Journal of Engineering for Gas Turbines and Power 115, Nr. 3 (01.07.1993): 658–64. http://dx.doi.org/10.1115/1.2906756.

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Westinghouse is developing hot gas cleaning systems for advanced, coal-based gas turbine cycles. This paper summarizes the Westinghouse hot gas filter concept and reports on recent in-house and field test programs supporting its design and development. Basic materials issues related to ceramic material stability and hot metals structures are reviewed. Results of recent filter system testing are presented, comparing candle and crossflow designs operating in both “simulated” and actual coal-derived gas streams. Laboratory tests and analysis are reported relating to integrating sulfur and alkali control with the particle filter function.

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33

Liu, Bosheng, Zhiqiang You, Xiangrao Li, Jishun Kuang und Zheng Qin. „Comparator and half adder design using complementary resistive switches crossbar“. IEICE Electronics Express 10, Nr. 13 (2013): 20130369. http://dx.doi.org/10.1587/elex.10.20130369.

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34

Murali, Srinivasan, Luca Benini und Giovanni De Micheli. „An Application-Specific Design Methodology for On-Chip Crossbar Generation“. IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 26, Nr. 7 (Juli 2007): 1283–96. http://dx.doi.org/10.1109/tcad.2006.888284.

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35

HAYASHI, YOSHISHIGE, EIJI HIRAI und MASAKAZU OTAKI. „Design calculation for crossflow gas absorption towers with heat generation.“ Journal of Chemical Engineering of Japan 19, Nr. 3 (1986): 235–37. http://dx.doi.org/10.1252/jcej.19.235.

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36

Ziegler, M. M., und M. R. Stan. „CMOS/nano Co-design for crossbar-based molecular electronic systems“. IEEE Transactions On Nanotechnology 2, Nr. 4 (Dezember 2003): 217–30. http://dx.doi.org/10.1109/tnano.2003.820804.

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37

Ebhota*, Williams S,, und Pavel Y. Tabakov. „Simplified and Precise Design of Crossflow Turbine Power Transmission Components“. International Journal of Engineering and Advanced Technology 10, Nr. 3 (28.02.2021): 227–32. http://dx.doi.org/10.35940/ijeat.c2136.0210321.

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Despite the merits of small hydropower (SHP), coupled with the perennial inadequate and unreliable electricity supply in SSA, the huge SHP potential in the region is hugely untapped. This is largely attributed to the lack of adequate technical components for the development of SHP turbines, which are: technical personnel, and production facilities in the region. The hydraulic power possessed by flowing water in SHP resources can be harnessed and transformed into usable electrical energy via the deployment of a hydro turbine plant. Commonly used hydro turbines include crossflow (CFT), Pelton, Turgo, and Francis turbines. Amongst these turbines, CFT is mostly applied in low head sites and has efficiency ranging from 70–85%. The CFT power transmission subsystem is considered vital to its performance; the shaft, which transmits the generated motion to drive the alternator, is the most critical part of the CFT transmission subsystem and it requires careful design and production processes. This study centres on the development of a simplified systematic design process for power transmission shaft, pulley, and belt, to facilitate CFT power generation efficiency. .Further, the study is geared towards boosting CFT technology capacity domestically for the benefit of local production. The hydrological properties of the Ayiba SHP site in Osun state, Nigeria, were adopted for this work as a case study. The head and power for this resource are 11.8 m and 122.4 kW, respectively, and are served as the fundamental parameters for the design of the power transmission subsystem. The design computation shows that a shaft of diameter 65 mm and a D-type of V-belt with a corresponding pulley will be required to transmit the generated turbine power to the alternator. A 3-D model was created based on the design values and this was used to validate the integrity of the shaft by static stimulation. The simulation result, which is based on von Mises was satisfactory as the highest stress obtained in the shaft was 205 N/mm2; resulting in a 2.6 factor of safety.

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38

Minje Jun, Sungjoo Yoo und Eui-Young Chung. „Topology Synthesis of Cascaded Crossbar Switches“. IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 28, Nr. 6 (Juni 2009): 926–30. http://dx.doi.org/10.1109/tcad.2009.2017079.

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39

Park, M., J. R. Howell und G. C. Vliet. „Correlations for Film Regeneration and Air Dehumidification for a Falling Desiccant Film With Air in Crossflow“. Journal of Heat Transfer 118, Nr. 3 (01.08.1996): 634–41. http://dx.doi.org/10.1115/1.2822679.

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The coupled heat and mass transfer between a falling triethylene glycol (TEG) desiccant film and air in crossflow have previously been presented and solved numerically for the cases of regeneration and dehumidification. Here, correlations for the effects of independent variables on the rate of regeneration in the regenerator and on the rate of dehumidification and sensible cooling in the absorber are developed by statistical analysis of the numerical results. The functional correlations developed should be useful in the design of regenerators and absorbers having falling liquid desiccant films and air in crossflow.

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40

Pignotti, A. „Linear Matrix Operator Formalism for Basic Heat Exchanger Thermal Design“. Journal of Heat Transfer 110, Nr. 2 (01.05.1988): 297–303. http://dx.doi.org/10.1115/1.3250483.

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The matrix formalism used for the thermal description of heat exchangers is extended to include streams with variable temperature distributions. In this approach, a heat exchanger is described by a temperature-independent matrix operator, which, acting on the inlet temperature distributions, generates the outlet ones. This formalism is particularly useful for the evaluation of the thermal effectiveness of complex heat exchanger configurations that can be broken into simple constitutive parts, linked to each other by unmixed streams. Applications to crossflow configurations of practical interest are shown.

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41

О. Molodid, I. Maksymiuk und A. Hryhorova. „Research of technical and economic indicators of reinforcement of reinforced concrete beams by different technologies“. Ways to Improve Construction Efficiency, Nr. 45 (16.10.2020): 144–53. http://dx.doi.org/10.32347/2707-501x.2020.45.144-153.

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The article presents the results of experimental investigations to determine the destructive force of beams reinforced with external reinforcement and control (without reinforcement). According to the results of such investigations, it can be stated that the strengthening of beam structures by external reinforcement made it possible to increase their bearing capacity by 383.3%. It has been established that both carbon fiber reinforcement using "clamps" and carbon fiber reinforcement are effective.The performed analytical researches established technical and economic indicators of various methods of reinforcement of beam constructions, namely: the addition of additional supports, the addition of additional beams, the external reinforcement of stretched zones by MAPEI technology. As a result, data were obtained indicating that the reinforcement of the crossbar by bringing additional rigid support requires 110.4 man-hours (100%), the reinforcement of the crossbar by bringing additional beams - 94.4 man-hours (85.5%), the reinforcement of the crossbar by external reinforcement - 48 man-hours (43.5%). In this case, the reinforcement of the crossbar by bringing additional rigid support is performed in 9.7 days (100%), the reinforcement of the crossbar by bringing additional beams - 6 days (62%), the reinforcement of the crossbar by external reinforcement - 4 days (41.4%). It is also established that the reinforcement of the crossbar by bringing additional rigid support costs 51.8 thousand UAH (100%), strengthening the structure by bringing additional beams - 58.1 thousand UAH (112%), strengthening the structure by external reinforcement - 35.72 thousand UAH (68.9%).The obtained research results indicate that the labor intensity, duration and cost of reinforcing the beam with external reinforcement is lower compared to other technologies. Efficiency is achieved by a structural component - increasing the bearing capacity without changing the design solution and by technological component - reducing the labor intensity, duration and cost of work.

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42

Sinagra, Marco, Calogero Picone, Costanza Aricò, Antonio Pantano, Tullio Tucciarelli, Marwa Hannachi und Zied Driss. „Impeller Optimization in Crossflow Hydraulic Turbines“. Water 13, Nr. 3 (27.01.2021): 313. http://dx.doi.org/10.3390/w13030313.

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Crossflow turbines represent a valuable choice for energy recovery in aqueducts, due to their constructive simplicity and good efficiency under variable head jump conditions. Several experimental and numerical studies concerning the optimal design of crossflow hydraulic turbines have already been proposed, but all of them assume that structural safety is fully compatible with the sought after geometry. We show first, with reference to a specific study case, that the geometry of the most efficient impeller would lead shortly, using blades with a traditional circular profile made with standard material, to their mechanical failure. A methodology for fully coupled fluid dynamic and mechanical optimization of the blade cross-section is then proposed. The methodology assumes a linear variation of the curvature of the blade external surface, along with an iterative use of two-dimensional (2D) computational fluid dynamic (CFD) and 3D structural finite element method (FEM) simulations. The proposed methodology was applied to the design of a power recovery system (PRS) turbine already installed in an operating water transport network and was finally validated with a fully 3D CFD simulation coupled with a 3D FEM structural analysis of the entire impeller.

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Keawsuntia, Yuttachai. „Design and Test of Pico Crossflow Turbine for the Generation of Electricity for Use in the Rural Area“. Applied Mechanics and Materials 496-500 (Januar 2014): 605–8. http://dx.doi.org/10.4028/www.scientific.net/amm.496-500.605.

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Pico hydro turbine is an alternative technology for electricity generating from small hydropower. It is suitable for use in a rural area because of the constructions are cheap and the techonogies involved are conventional. This research paper presents the designing and the testing results of the electricity generating from the pico crossflow turbine, for save in a battery 12 V. A testing of pico crossflow turbine with 0.8 m diameter of wheel and a 20 blades water turbine which has a semi-circle shape at 0.1 m diameter of blade, the length of the blade is 0.8 m, tested in river, showed that the system gives the best electrical power of 145.42 watts or 3.49 kW-hr per day, enough to supply for up to 6 families of small community in the rural area and the rate of return for electricity generating at 0.023 USD per kW-hr.

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Cross, Robert A. „Optimum process designs for ultrafiltration and crossflow microfiltration systems“. Desalination 145, Nr. 1-3 (September 2002): 159–63. http://dx.doi.org/10.1016/s0011-9164(02)00402-2.

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45

Chen, S. S., S. Zhu und J. A. Jendrzejczyk. „Fluid Damping and Fluid Stiffness of a Tube Row in Crossflow“. Journal of Pressure Vessel Technology 116, Nr. 4 (01.11.1994): 370–83. http://dx.doi.org/10.1115/1.2929604.

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Motion-dependent fluid forces acting on a tube array were measured as a function of excitation frequency, excitation amplitude, and flow velocity. Fluid-damping and fluid-stiffness coefficients were obtained from measured motion-dependent fluid forces as a function of reduced flow velocity and excitation amplitude. The water channel and test setup provide a sound facility for obtaining key coefficients for fluidelastic instability of tube arrays in crossflow. Once the motion-dependent fluid-force coefficients have been measured, a reliable design guideline, based on the unsteady flow theory, can be developed for fluidelastic instability of tube arrays in crossflow.

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Kalogeiton, Vicky S., Dim P. Papadopoulos, Orestis Liolis, Vassilios A. Mardiris, Georgios Ch Sirakoulis und Ioannis G. Karafyllidis. „Programmable Crossbar Quantum-Dot Cellular Automata Circuits“. IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 36, Nr. 8 (August 2017): 1367–80. http://dx.doi.org/10.1109/tcad.2016.2618869.

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47

Ali, Khaled Alhaj, Mostafa Rizk, Amer Baghdadi, Jean-Philippe Diguet und Jalal Jomaah. „Hybrid Memristor–CMOS Implementation of Combinational Logic Based on X-MRL“. Electronics 10, Nr. 9 (24.04.2021): 1018. http://dx.doi.org/10.3390/electronics10091018.

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A great deal of effort has recently been devoted to extending the usage of memristor technology from memory to computing. Memristor-based logic design is an emerging concept that targets efficient computing systems. Several logic families have evolved, each with different attributes. Memristor Ratioed Logic (MRL) has been recently introduced as a hybrid memristor–CMOS logic family. MRL requires an efficient design strategy that takes into consideration the implementation phase. This paper presents a novel MRL-based crossbar design: X-MRL. The proposed structure combines the density and scalability attributes of memristive crossbar arrays and the opportunity of their implementation at the top of CMOS layer. The evaluation of the proposed approach is performed through the design of an X-MRL-based full adder. The design is presented with its layout and corresponding simulation results using the Cadence Virtuoso toolset and CMOS 65nm process. The comparison with a pure CMOS implementation is promising in terms of the area, as our approach exhibits a 44.79% area reduction. Moreover, the combined Energy.Delay metric demonstrates a significant improvement (between ×5.7 and ×31) with respect to the available literature.

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Zhang, Yang, Yi Shen, Xiaoping Wang und Lina Cao. „A Novel Design for Memristor-Based Logic Switch and Crossbar Circuits“. IEEE Transactions on Circuits and Systems I: Regular Papers 62, Nr. 5 (Mai 2015): 1402–11. http://dx.doi.org/10.1109/tcsi.2015.2407436.

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49

Dharmappa, H. B., und P. Hagare. „Economic analysis and design of crossflow microfiltration for water treatment systems“. Desalination 121, Nr. 1 (Januar 1999): 1–11. http://dx.doi.org/10.1016/s0011-9164(99)00002-8.

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50

Huang, Jau-Hsiung, und Yo-Song Su. „Analysis and design of Banyan and crossbar switches with bypass queues“. Computer Communications 20, Nr. 2 (März 1997): 115–24. http://dx.doi.org/10.1016/s0140-3664(96)01171-1.

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