Rozprawy doktorskie na temat „Micro visualization”
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El-Khatib, Jasmine. "Flow visualization for a micro air vehicle". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0020/MQ53322.pdf.
Pełny tekst źródłaNarrow, Taryn Lea. "Flow visualization within a seven-rod micro-bundle". Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/17525.
Pełny tekst źródłaWang, Xiaoting, i 王筱婷. "Topological analysis and visualization of micro structure of trabecular bone". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B31228380.
Pełny tekst źródłaYakhshi, Tafti Ehsan. "FLOW VISUALIZATION IN MICROFLUIDIC EXPANSION AND MIXING". Master's thesis, University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3121.
Pełny tekst źródłaM.S.M.E.
Department of Mechanical, Materials and Aerospace Engineering
Engineering and Computer Science
Mechanical Engineering MSME
Sytsma, Michael J. "Aerodynamic flow characterization of micro air vehicles using flow visualization methods". [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0015755.
Pełny tekst źródłaLi, Zhaoyi, i n/a. "Analysis and Design of Virtual Reality Visualization for a Micro Electro Mechanical Systems (MEMS) CAD Tool". Griffith University. School of Information and Communication Technology, 2005. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20060731.121340.
Pełny tekst źródłaLi, Zhaoyi. "Analysis and Design of Virtual Reality Visualization for a Micro Electro Mechanical Systems (MEMS) CAD Tool". Thesis, Griffith University, 2005. http://hdl.handle.net/10072/366361.
Pełny tekst źródłaThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Information and Communication Technology
Full Text
Mondy, William Lafayette. "Data acquisition for modeling and visualization of vascular tree". [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0003082.
Pełny tekst źródłaHemminger, Orin L. "Visualizing and Understanding Complex Micro/Nanofluidic Flow Behavior". The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1275398565.
Pełny tekst źródłaJain, Ashish. "Optical flow based obstacle avoidance for micro air vehicles". [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0011844.
Pełny tekst źródłaIslam, Mohammad Alaul. "Visualizations for Smartwatches and Fitness Trackers". Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASG018.
Pełny tekst źródłaThis thesis covers research on how to design and use micro-visualizations for pervasive and mobile data exploration on smartwatches and fitness trackers. People increasingly wear smartwatches that can track and show a wide variety of data. My work is motivated by the potential benefits of data visualizations on small mobile devices such as fitness monitoring armbands and smartwatches. I focus on situations in which visualizations support dedicated data-related tasks on interactive smartwatches. My main research goal in this space is to understand more broadly how to design small-scale visualizations for fitness trackers. Here, I explore: (i) design constraints in the small space through an ideation workshop; (ii) what kind of visualizations people currently see on their watch faces; (iii) a design review and design space of small-scale visualizations; (iv) and readability of micro-visualizations considering the impact of size and aspect ratio in the context of sleep tracking. The main findings of the thesis are, first, a set of data needs concerning a sightseeing usage context in which these data needs were met with a wealth of dedicated visualization designs that go beyond those commonly seen on watch displays. Second, a predominant display of health & fitness data, with icons accompanying the text being the most frequent representation type on current smartwatch faces. Third, a design space for smartwatch face visualizations which highlights the most important considerations for new data displays for smartwatch faces and other small displays. Last, in the context of sleep tracking, we saw that people performed simple tasks effectively, even with complex visualization, on both smartwatch and fitness band displays; but more complex tasks benefited from the larger smartwatch size. Finally, I point out important open opportunities for future smartwatch visualization research, such as scalability (e.g., more data, smaller size, and more visualizations), the role of context and wearer's movement, smartwatch display types, and interactivity. In summary, this thesis contributes to the understanding of visualizations on smartwatches and highlights open opportunities for smartwatch visualization research
Owhaib, Wahib. "Experimental Heat Transfer, pressure drop, and Flow Visualization of R-134a in Vertical Mini/Micro Tubes". Doctoral thesis, KTH, Tillämpad termodynamik och kylteknik, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4299.
Pełny tekst źródłaQC 20100812
Pitts, Katie Lynn. "Rheological and Velocity Profile Measurements of Blood in Microflow Using Micro-particle Image Velocimetry". Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/24038.
Pełny tekst źródłaCrossman, Nathaniel C. "Stream Clustering And Visualization Of Geotagged Text Data For Crisis Management". Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1590957641168863.
Pełny tekst źródłaPapadopoulos, Jason N. "An experimental investigation of the geometric characteristics of flapping-wing propulsion for a micro-air vehicle". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Jun%5FPapadopoulos.pdf.
Pełny tekst źródłaThesis advisor(s): Kevin D. Jones, Max F. Platzer. Includes bibliographical references (p. 73-74). Also available online.
Kurtulus, Dilek Funda. "Numerical And Experimental Analysis Of Flapping Motion In Hover. Application To Micro Air Vehicles". Phd thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606168/index.pdf.
Pełny tekst źródłaSparks, Jeremy Ryan. "EXPERIMENTAL FLOW VISUALIZATION FOR CORRUGATED AIRFOILS AT LOW REYNOLDS NUMBER INCLUDING DEVELOPMENT OF A PITCH AND PLUNGE FIXTURE". UKnowledge, 2011. http://uknowledge.uky.edu/gradschool_theses/141.
Pełny tekst źródłaTaylor, Sarah E. "Biologically inspired wing planform optimization". Worcester, Mass. : Worcester Polytechnic Institute, 2009. http://www.wpi.edu/Pubs/ETD/Available/etd-052109-141751/.
Pełny tekst źródłaKeywords: low reynolds; flight; flow visualization; low aspect ratio; micro air vehicles; planform; wings; mav; mavs. Includes bibliographical references (leaves 105-106).
Furberg, Richard. "Enhanced Boiling Heat Transfer on a Dendritic and Micro-Porous Copper Structure". Doctoral thesis, KTH, Tillämpad termodynamik och kylteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-47538.
Pełny tekst źródłaQC 20111111
MANGINI, Daniele. "Hybrid Thermosyphon/Pulsating Heat Pipe for Ground and Space Applications: A novel two-phase passive heat transfer device". Doctoral thesis, Università degli studi di Bergamo, 2017. http://hdl.handle.net/10446/77206.
Pełny tekst źródłaSmékalová, Veronika. "Automatická segmentace cévních systémů myších jater v tomografických datech". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-377665.
Pełny tekst źródłaЖирнов, Андрій Юрійович. "Веб-інтерфейс візуалізації геопросторових даних для мікросервісної платформи". Bachelor's thesis, КПІ ім. Ігоря Сікорського, 2019. https://ela.kpi.ua/handle/123456789/28576.
Pełny tekst źródłaThe purpose of the thesis is to create a convenient web-interface for visualizing geospatial data in the agrarian sector. The object of the study is geospatial data and methods for their reflection. A review of existing software applications for visualization of geospatial data was performed, their advantages and disadvantages were identified. A web-based interface has been created that solves the problem of processing and displaying location data for the agricultural sector. The created software system can be used in the work of entrepreneurs-agrarians to automate the state of the fields. Total volume of the paper: 50 pages, 20 illustrations, bibliography links and 3 appendixes.
Целью дипломной работы является создание удобного web-интерфейса для визуализации геопространственных данных в аграрном секторе. Объектом исследования является пространственные данные и методы их отражения. Было выполнено обзор существующих программных приложений для визуализации геопространственных данных, выявлены их преимущества и недостатки. Создан web-интерфейс, который решает проблемы обработки и отображения геоданных для сельскохозяйственного сектора. Создана программная система может быть использована в работе предпринимателей аграриев для автоматизации ведения состояния полей.
Nord, Christoffer. "The Colours of Diabetes : advances and novel applications of molecular optical techniques for studies of the pancreas". Doctoral thesis, Umeå universitet, Umeå centrum för molekylär medicin (UCMM), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-119845.
Pełny tekst źródłaMoreno, Villavicencio Maiglid Andreina. "Development of 3D high-resolution imaging of complex devices by the correlation of ToF-SIMS and AFM". Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI122.
Pełny tekst źródłaThe continuous miniaturization and complexity of devices have pushed existing nano-characterization techniques to their limits. The correlation of techniques has then become an attractive solution to keep providing precise and accurate characterization. With the aim of overcoming the existing barriers for the 3D high-resolution imaging at the nanoscale, we have focused our research on creating a protocol to combine time-of-flight secondary ion mass spectrometry (ToF-SIMS) with atomic force microscopy (AFM). This combination permits the correlation of the composition in 3-dimensions with the maps of topography and other local properties provided by the AFM. Three main results are achieved through this methodology: a topography-corrected 3D ToF-SIMS data set, maps of local sputter rate where the effect of roughness and vertical interfaces are seen and overlays of the ToF-SIMS and AFM advanced information. The application fields of the ToF-SIMS and AFM combined methodology can be larger than expected. Indeed, four different applications are discussed in this thesis. The procedure to obtain the topography-corrected 3D data sets was applied on a GaAs / SiO2 patterned structure whose initial topography and composition with materials of different sputter rates create a distortion in the classical 3D chemical visualization. The protocol to generate sputter rate maps was used on samples with structured and non-structured nano-areas in order to study the possible ToF-SIMS sputtering artefacts, especially the geometric shadowing effect. Finally, we have explored the combination of ToF-SIMS analysis with three AFM advanced modes: piezoresponse force microcopy (PFM), scanning capacitance microscopy (SCM) and scanning spreading resistance microscopy (SSRM). Specifically, two main applications were studied: the chemical modification during electrical stress of a piezoelectic thin film and the recovery of initial electrical characteristics of a sample subjected to Ga implantation during FIB preparation. Technical aspects of the methodology will be discussed for each application and the perspectives of this combination will be given
Badawi, Hawazin Faiz. "DT-DNA: Devising a DNA Paradigm for Modeling Health Digital Twins". Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/41906.
Pełny tekst źródłaChen, Yu Tsun, i 陳雨村. "Visualization and Investigation on the Process of Micro Droplet Injection". Thesis, 1999. http://ndltd.ncl.edu.tw/handle/89573930810807244494.
Pełny tekst źródła林子傑. "Study on the Characteristics of Inkjet Droplet Deposition Using Micro Flow Visualization Technique". Thesis, 2007. http://ndltd.ncl.edu.tw/handle/65633950080828307960.
Pełny tekst źródłaHsieh, I.-Chih, i 謝一志. "Visualization of In-Mold Constraint to Affect Shrinkage of Micro Holes during Injection Molding". Thesis, 2006. http://ndltd.ncl.edu.tw/handle/48585356791596364809.
Pełny tekst źródła國立雲林科技大學
機械工程系碩士班
94
The objective of this study is to use a real time visualization technique to observe the effects of in-mold constraint on the shrinkage of a through hole array. Such a hole array can used in optical communication or optoelectronics applications. Precision control of roundness and position accuracy of the hole arrays are extremely important and directly related to diameter and pitch shrinkage of the hole arrays. In order to have through holes, pins are assembled within the cavity and result in anisotropic shrinkage of the through holes, or so called in-mold constraint shrinkage. To better understand the phenomena, a special designed mold was made to meet this attention. The molded part is a plate of 1mm thick. It has 3x3 through holes of 3mm in diameter. A endoscope behind a transparent quartz block was mounted upon the mold cavity to observe the live shrinkage inside the mold cavity. The melt front advancement can be captured by a high speed camera, respectively. In order to understand the effects of different processing conditions on the shrinkage of sampled hole diameter, Taguchi’s design method of experiments was applied to obtain meaningful results in less times of experiments. The numerical simulation results have shown the mold temperature is the most significant factor to holes’ shrinkage. Thermal shrinkage is about five times larger than the in-mold constraint shrinkage. The real time visualization helps us to observe live shrinkage in both with and without in-mold constraint cases. The pins inside the mold will stop the plastic to shrink and make the holes become elliptic during the in mold cooling. This makes that the dimension along the flow direction (x-direction) was found larger than the one in y-direction. Therefore lower shrinkage was found in the with in-mold constraint products. The in-mold constraint will result in higher residual stresses from the photo-elasticity measurement. It is because the polymer material is restricted to shrink and result in higher internal stresses within the molded parts. The presented work has increase our understanding of the shrinkage with and without in-mold constraint for molding a plate with through hole array. Future work may be extended to the cases of injection molded short fiber reinforced composites.
Cheng, Wen-Feng, i 鄭文峰. "Visualization of bubble formation and measurement of pressure at a single submerged micro-hole". Thesis, 2001. http://ndltd.ncl.edu.tw/handle/25590185930896992332.
Pełny tekst źródła國立臺灣大學
機械工程學研究所
89
This study aims to investigate the formation of air bubbles at a submerged single micro-hole under non-constant pressure condition. A high-speed camera was used to visualize the process of bubble formation in order to calculate the detached bubble volume. The air pressure in the test chamber was recorded during each measurement. In the present experiment, pure water and 10%w.t. isopropanol solution were used as working fluids. The hole’s diameters with 60 mm, 90 mm, 126 mm, 210 mm, 580 mm and 1200 mm were respectively used for measurement. The liquid was drained out of the test chamber at a rate of 0.006 ml/sec, 0.01 ml/sec, 0.035 ml/sec, 0.05 ml/sec, and 0.1 ml/sec respectively. The effects of physical properties of liquids and the diameter of micro-holes on the bubble formation process and the detached bubble volume were discussed. The experimental results show that the liquid drained rate has no obvious effect on the detachment of a bubble volume, but can results in the formation of bubbles in pairs. The effects of the hole’s diameter and the properties of working fluids on the detached bubble volume are significant. Besides, the surface tension can not only increase the detached bubble volume, but can also delay the detachment time of the first generated bubble. In addition, a correlation has also been developed in the present study to obtain the relationship between a detached bubble volume, the physical properties of working fluids and the hole’s diameter. Moreover, the comparison with prior studies shows that the present proposed correlation lies in between the correlations for constant pressure condition and the constant flow condition.
Luo, Sung-Yang, i 駱頌揚. "Performance Analysis and Visualization of Thermal hydraulics Characteristics of Liquid Spray through Micro-nozzle Plate Arrays". Thesis, 2014. http://ndltd.ncl.edu.tw/handle/76582563675994673662.
Pełny tekst źródła國立中山大學
機械與機電工程學系研究所
102
In this study, we use an ultrasound micro-nozzle atomizer, made of piezoelectric ceramic material as the cooling system apparatus to observe the spray impinging on an ITO transparent heater. The working fluid is DI water and the main experimental parameters are the distance from nozzle to target, Z(30, 50, 70, 90, 100 mm), the temperature of the heater at the center point, Tc(25, 75, 125, 175, 225 oC), and nozzle diameter, dj(7, 10, 35 μm). The μPIV technique and a high speed camera are used to record the 2-D velocity distribution of a spray flow field on the side view and dynamic droplet size distribution on the lower view, respectively. In regard to the thermal characteristic, we use a data logger, T-type thermocouple wire and IR detector to record the surface temperature distribution on a transparent heater, and carry out an analysis of the heater’s temperature drop result from spray cooling. Finally, we develop a mini spray cooling system for CPUs or other electrical devices.
Wendelberger, James George, i Paul Herrick Smith. "Data Visualization for Statistical Analysis and Discovery in Container Surface Characterization at the Nano-Scale and Micro-Scale". 2018. https://ul.qucosa.de/id/qucosa%3A32808.
Pełny tekst źródłaYeh, Ming-Feng, i 葉名峰. "Flow Channel Visualization and Velocity/Temperature/Concentration Measurements of an Air-breathing Micro Direct Methanol Fuel Cell Stack". Thesis, 2018. http://ndltd.ncl.edu.tw/handle/9e655m.
Pełny tekst źródła國立中山大學
機械與機電工程學系研究所
106
Due to the environmental issues have been concerned recently, much research about the fuel cells is widely discussed in various aspects; this study focuses on observations of the flow field, temperature field, and concentration field in an air-breathing direct methanol fuel cell stack, and their relationship with the performance. In this experiment, the distribution of momentum, heat, and mass transfer were established through the optical measurement method of μPIV and μLIF, and the objective of simultaneous for optical observation and performance measurement was achieved. From the experimental data, we obtained that the 2-cell stack had the power output up to 61.73mW/cm2; the CO2 bubbles and the vortex were also observed during operating. Further, the correlation of the Reynolds number (Re) with the friction factor (f), the Nusselt number (Nu), and the Sherwood number (Sh) are also obtained. By the conclusion, if the stack is constructed similarly by two or more cells, the influence of momentum, heat, and mass transfer, even the performance can be expected. That would provide a conception for design and further improve the application of micro direct methanol fuel cell stacks.
Huang, Chien-Yuan, i 黃建元. "Visualization of the Marangoni Convection During Boiling of Binary Mixtures in a Square Capillary Tube by Micro-Schlieren Technique". Thesis, 2013. http://ndltd.ncl.edu.tw/handle/30916086202303163383.
Pełny tekst źródła國立臺灣大學
機械工程學研究所
101
In this study, we employ a micro-schlieren system to observe Marangoni convection induced by concentration gradient during boiling of binary mixtures in square capillary tubes of various sizes. The effects of channel size, concentration of working fluids and mixture characteristic on boiling heat transfer are investigated experimentally. From the relation between refractive index gradient and grayscale ratio, we are able to quantify the concentration gradient near the vapor-liquid interface. The inner widths of square capillary tubes we use are 200 micrometer, 500 micrometer and 900 micrometer, and our working fluids are binary mixtures of 2-propanol/water, 2-butanol/water, 1-butanol/water, ethylene glycol/water, acetic acid/water and butyric acid/water. In general, binary mixtures can be classified into positive mixtures and negative mixtures. In this work, positive mixtures include 2-propanol/water and 2-butanol/water. Our experimental results reveal that both size of the square capillary and concentration play a prominent role in the heat transfer coefficients. Yet, heat transfer of 2-butanol/water mixtures is independent of size of capillary and varying concentration has no impact on the heat transfer of butyric acid/water mixtures. Results of this work confirm that the concentration induced Marangoni convection is significant to the boiling of binary mixtures. For 2-propanol/water and acetic acid/water mixtures, we find out that the Marangoni effect is particularly vital at low concentration. Heat transfer of 2-propanol/water mixture is enhanced at low concentration because the surface tension gradient acts to induce liquid motion towards the heated surface. Nevertheless, opposite trend is found for acid/water mixture. An interesting phenomenon, bubble oscillation, is discovered in smaller square capillary tube when concentrations are close to the azeotropic point and the mole fraction of liquid phase is higher than that of vapor. Usually, the schlieren patterns can be easily found in square capillary tubes of larger size. No schlieren phenomenon is observed in capillary of 200 micrometer in width. By comparing the refractive index derivatives with respect to temperature and concentration, we verify that the schlieren indeed corresponds to the concentration induced Marangoni convection. With the correlation of refractive index gradient and grayscale ratio, we are able to quantify the concentration gradients near the liquid-vapor interface during boiling of binary mixtures when the Marangoni convection is strong.
Comyn, Graeme Ian. "Performance evaluation, wake study, and flow visualization of air and large diameter water droplets around the blade of a micro horizontal axis wind turbine". Master's thesis, 2011. http://hdl.handle.net/10048/1701.
Pełny tekst źródłaSriram, R. "Investigations On Film Cooling At Hypersonic Mach Number Using Forward Facing Injection From Micro-Jet Array". Thesis, 2008. https://etd.iisc.ac.in/handle/2005/763.
Pełny tekst źródłaSriram, R. "Investigations On Film Cooling At Hypersonic Mach Number Using Forward Facing Injection From Micro-Jet Array". Thesis, 2008. http://hdl.handle.net/2005/763.
Pełny tekst źródłaAlghamdi, Tariq. "Ultra-High Speed Visualization of the Flashing Instability in Micron Size Nozzles under Vacuum Conditions". Thesis, 2017. http://hdl.handle.net/10754/626298.
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