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Dissertations / Theses on the topic 'Test fluid'

Author: Grafiati

Published: 29 June 2021

Last updated: 29 July 2025

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1

Vongvuthipornchai, Somporn. "Well test analysis for non-Newtonian fluid flow /." Access abstract and link to full text, 1985. http://0-wwwlib.umi.com.library.utulsa.edu/dissertations/fullcit/8603796.

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2

Nordstrand, Dennis. "Test-enhanced learning, working memory and fluid intelligence." Thesis, Umeå universitet, Institutionen för psykologi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-122471.

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Under det senaste decenniet har testbaserat lärande väl etablerats som ett effektivt sätt att främja hållbar inlärning. Många sorters material och omständigheter har utforskats i relation till denna metod. Endast nyligen har dock individuella skillnader i relation till testbaserat lärande fått uppmärksamhet som ett forskningsområde. Ett område hittills förhållandevis outforskat är relationen mellan individuella skillnader i kognitiv kapacitet och inlärningsprocessen med återhämtning som inlärningsmetod. Denna studie hade för avsikt att utforska denna relation genom att mäta generell flytande i

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3

Nyekwe, Ichegbo Maxwell. "Investigation of factors effecting yield stress determinations using the slump test." Thesis, Cape Peninsula University of Technology, 2008. http://hdl.handle.net/20.500.11838/2160.

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Thesis (MTech (Chemical Engineering))--Cape Peninsula University of Technology, 2008.<br>Certain non-Newtonian fluids exhibit a yield stress which can be measured with a variety of instruments varying from very sophisticated rotary and tube viscometers to hand-held slump cones and cylinders of various sizes. Accurate yield stress measurement is significant for process design and disposal operations for thickenend tailings. The slump value was first related to the yield stress by Murata (1984). Later, that work was corrected by Christensen (1991) for an error in the mathematical analysis.

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4

Gilmore, Jordan David. "Computational Fluid Dynamics Analysis of Jet Engine Test Facilities." Thesis, University of Canterbury. Mechanical Engineering, 2012. http://hdl.handle.net/10092/7238.

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This thesis investigates the application of CFD techniques to the aerodynamic analysis of a U-shaped JETC. Investigations were carried out to determine the flow patterns present at a number of locations within the structure of a full U-shaped JETC. The CFD solutions produced in these investigations used recommendations from the literature in the set-up of the CFD solver, and provided the computational component towards problem-specific validation of the CFD techniques used. A structured series of CFD-aided investigation and design processes were then performed. These processes were based aro

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5

Saleh, Amer Mohamed. "Well test and production prediction of gas condensate reservoirs." Thesis, Heriot-Watt University, 1992. http://hdl.handle.net/10399/813.

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6

Schreier, Sebastian. "Development of a sloshing test rig." Aachen Shaker, 2009. http://d-nb.info/997162120/04.

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7

Swanson, Erik Evan. "Evaluation of the VPI & SU fluid film bearing test rig." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09122009-040419/.

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8

Freemire, Ben. "High pressure gas filled RF cavity beam test at the Fermilab Mucool test area." Thesis, Illinois Institute of Technology, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3574935.

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<p>With a new generation of lepton colliders being conceived, muons have been proposed as an alternative particle to electrons. Muons lose less energy to synchrotron radiation and a Muon Collider can provide luminosity within a smaller energy range than a comparable electron collider. This allows a circular collider to be built. As part of the accelerator, it would also be possible to allow the muons to decay to study neutrinos. </p><p> Because the muon is an unstable particle, a muon beam must be cooled and accelerated within a short amount of time. Muons are generated with a huge phase spa

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9

Andrinopoulos, Nikolaos. "Development of a test facility for experimental investigation of fluid-structure interaction." Licentiate thesis, KTH, Energy Technology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-10544.

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<p>Fluid-structure interaction phenomena are strongly related to the loading appearing on many energy converting components introducing limitations for improving their efficiency. The term “fluid-structure interaction” includes many phenomena with the “shock wave – boundary layer interaction” being one of the most important. This interaction is commonly met in turbomachines where the flow can accelerate enough to become compressible and can cause separation of the boundary layer formed on the structural components of the machine. This results to fluctuating loading on the structure which can l

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10

Uchimoto, Mari L. "Developing a microRNA body fluid identification test for use in forensic casework." Thesis, University of Huddersfield, 2014. http://eprints.hud.ac.uk/id/eprint/24470/.

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Body fluid identification (BFID) forms a crucial aspect within forensic investigations. BFID is particularly important where the origin of a DNA profile is also needed e.g. sexual assaults. The aim of this work was to develop a RNA-based BFID for use in forensic casework. The test was developed in three stages: exploring co-isolation and single isolation strategies, screening and selecting RNA markers and different casework conditions e.g. low-level, non-human, degraded and mixed samples. Blood, saliva, skin, semen and vaginal material samples were collected. Samples underwent single or co-iso

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11

Samuel, Madan. "Quantitative assessment of the tympanic membrane displacement test in children and adolescents with shunted hydrocephalus : reproducibility of tympanic membrane displacement test measurements in children with shunted hydrocephalus." Thesis, University of Southampton, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266378.

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12

Parks, Benjamin T. "Using the FLUENT computational fluid dynamics code to model the NACOK corrosion test." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/38249.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 2004.<br>Includes bibliographical references (p. 89-90).<br>As a part of advancing nuclear technology, computational fluid dynamics (CFD) analysis offers safer and lower-cost results relative to experimental work. Its use as a safety analysis tool is gaining much broader acceptance due to increasing experimental verification. FLUENT is a Computational Fluid Dynamics (CFD) code that offers extensive benchmarks and validations, and is widely accepted by the nuclear engineering community. The Modular Pebble Bed Re

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13

Adham, Tarek Abbas. "The development of test procedure to determine the potential durability of concrete structures." Thesis, Coventry University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342255.

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14

Burns, Robert. "Developing a test of premorbib fluid abilities for people from non-English-speaking backgrounds /." Title page, contents and abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09SSPS/09sspsb967.pdf.

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15

Russell, Heather Elizabeth. "Development of a computerised test of fluid ability for children : validating the SWAPS format /." Title page, table of contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09HS/09hsr9611.pdf.

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16

Allenstein, Jacob T. "An Investigation of Jet Engine Test Cell Exhaust Stack Aerodynamics and Performance through Scale Model Test Studies and Computational Fluid Dynamics Results." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1586515794023938.

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17

Goupil, Marc Y. "Dynamic Pressure Sensing for the Flight Test Data System." DigitalCommons@CalPoly, 2019. https://digitalcommons.calpoly.edu/theses/2115.

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This thesis describes the design, assembly, and test of the FTDS-K, a new device in the Boundary Layer Data System (BLDS) family of flight data acquisition systems. The FTDS-K provides high-frequency, high-gain data acquisition capability for up to two pressure sensors and an additional three low-frequency pressure sensors. Development of the FTDS-K was separated into a core module, specialized analog subsystem, and practical testing of the FTDS-K in a flow measurement mission. The core module combines an nRF52840-based microcontroller module, switching regulator, microSD card, real-time clock

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18

Sylvia, Allison M. "Test Anxiety and Reading Comprehension in Adults with Academic Difficulties." University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1583853725075996.

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19

Odden, Dan Adrian. "Development of heat pipes with potassium as woking fluid: Performance limitations and test rig development." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18600.

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The incentive to reduce energy consumption in the industry is big, especiallyin high temperature systems. Heat pipes are of great interest for this purposedue to their favorable thermomechanical properties. This master thesis is apart of the ongoing study of Ph.D. candidate Geir Hansen, who is currentlydeveloping a rectangular heat pipe with potassium as working fluid at NTNU.The rectangular heat pipe is intended to be implemented in the walls ofelectrolysis cells as a part of a heat recovery system.The present work reports results of theoretical calculations of two importantheat transfer limi

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20

Korb, Samuel N. (Samuel Noaa) 1984. "Towards the manufacturing of microfluidic devices : fluid flow in multilayer devices as a test case." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36238.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2006.<br>Includes bibliographical references (p. 154-158).<br>In this work, the area of microfluidics is analyzed for advances that could be made in the manufacturing of a microfluidic device, and then one area - the alignment of multilayer devices - is selected for greater focus. Microfluidics is an emerging technology receiving much attention to date for its potential in biological, chemical, and medical applications. It could bring costs savings and contamination-reducing disposable parts, but only if cer

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21

Dukkipati, Ravi Kiran. "Experimental investigation of fiber sizing-test fluid interaction for in-plane permeability measurements of continuous fibers." Thesis, Wichita State University, 2007. http://hdl.handle.net/10057/1534.

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Many manufacturers are using liquid composite molding (LCM) to manufacture composites because of its simplicity and cost effectiveness. This generic process includes techniques such as vacuum assisted resin transfer molding (VARTM), resin transfer molding (RTM), and Seemann composite reaction infusion molding (SCRIM). VARTM is most commonly used due to its low tooling cost and ease of use. One of the most important factors that affect the manufacturability of composite parts is permeability. Permeability usually affects resin flow within fibers; hence, many researchers have placed importance o

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22

Virhammar, Johan. "Idiopathic Normal Pressure Hydrocephalus : Cerebrospinal Fluid Tap Test and Magnetic Resonance Imaging as Preoperative Prognostic Investigations." Doctoral thesis, Uppsala universitet, Neurologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-222779.

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Idiopathic normal pressure hydrocephalus (iNPH) is a condition with dilated cerebral ventricles but intracranial pressure within normal limits. The symptoms of gait impairment, cognitive decline and urinary incontinence develop gradually. Treatment with shunt insertion results in improvement in eight out of ten patients. The cerebrospinal fluid tap test (CSF TT) and preoperative magnetic resonance imaging (MRI) are methods used to select patients who may benefit from shunt surgery, but they are performed and interpreted differently in different centers throughout the world. The aim of this the

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23

Jadwani, Vishal. "Development of a Method to Prepare a Test Fluid with Soft Particles in Biodiesel Fuel Blends." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-279998.

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Bilindustrin är en av de största bidragsgivarna till koldioxidutsläpp genom fordonsutsläppnär de används. För att göra transportsektorn mer hållbar EU-politik dikterar att inkludera enhögre andel förnybara energikällor i den totala energiförbrukningen och ett sätt att uppnå det äratt införliva biobränslen i de traditionella fossila bränslena. Detta skulle minskakoldioxidavtrycket som genereras av bilindustrin på ett ekonomiskt sätt utan att göra storatekniska modifieringar i befintliga motorer. Scania AB har optimerat sitt bränslesystem för attuppfylla 10% blandning av biodiesel i normalt dies

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24

Dukkipati, Ravi Kiran Soschinske Kurt A. "Experimental investigation of fiber sizing-test fluid interaction for in-plane permeability measurements of continuous fibers /." Thesis, A link to full text of this thesis in SOAR, 2007. http://hdl.handle.net/10057/1534.

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25

Couval, Romain. "Scale up of a test fluid for testing the fuel system robustness against soft particles in biodiesels." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-85745.

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The future of fuels will most probably be a mixture of different fuels, called drop-in fuels. It is already known that these drop-in fuels will lead to solubility issues, with creation of deposit on crucial fuel system parts, due to the formation of soft particles. The fuel system of the future should be robust against any type of soft particles. Today, there is no scaled up test fluid existing for testing full scale fuel systems. The objective of this thesis was to develop a scaled up test fluid which is a key element to the development of a test method to enhance the fuel system robustness a

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26

Chan, Fiona. "Development of matrices abstract reasoning items to assess fluid intelligence." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/277914.

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Matrices reasoning tests, which contain missing pieces in matrices that participants attempt to figure out, are one of the most popular types of tests to measure general intelligence. This thesis introduces several methods to develop matrices items, and presents them in different test forms to assess general intelligence. Part 1 introduces the development of a matrices test with reference to Carpenter’s five rules of Raven’s Progressive Matrices. The test items developed were administered together with the Standard Ravens’ Progressive Matrices (SPM). Results based on confirmatory factor analys

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27

Bergstrand, David. "Investigation of Internal Diesel Injector Deposits on fuel injector performance for proposal of injector test rig test method." Thesis, Uppsala universitet, Elektricitetslära, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-417012.

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With increasing demands for lowering emissions from diesel engines, bio fuel has been introduced to the fuel mixture. This fuel is based on vegetable oil with a much smaller carbon footprint than fossil fuel. The chemical composition of bio fuel has lead to deposits forming inside the fuel injector in diesel engines, these deposits are usually denoted as Internal Diesel Injector Deposits (IDID). At Scania CV AB an injector test rig is designed with the goal of creating and investigating IDID. This project has made a theoretical investigation of how IDID are formed and how this affects the mech

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28

Wang, Meng (Rachel), Per Danzl, Vishal Mahulkar, Damrongrit (Neng) Piyabongkarn, and Paul Brenner. "A hydraulic test stand for demonstrating the operation of Eaton’s energy recovery system (ERS)." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-199521.

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Fuel cost represents a significant operating expense for owners and fleet managers of hydraulic off-highway vehicles. Further, the upcoming Tier IV compliance for off-highway applications will create further expense for after-treatment and cooling. Solutions that help address these factors motivate fleet operators to consider and pursue more fuelefficient hydraulic energy recovery systems. Electrical hybridization schemes are typically complex, expensive, and often do not satisfy customer payback expectations. This paper presents a hydraulic energy recovery architecture to realize energy recov

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29

Koyama, Tomofumi. "Numerical modelling of fluid flow and particle transport in rough rock fracture during shear." Licentiate thesis, Stockholm : Mark och vatten, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-512.

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30

KRUTZ, JILL E. "DESIGN OF A HYDRAULIC ACTUATOR TEST STAND FOR NON-LINEAR ANALYSIS OF HYDRAULIC ACTUATOR SYSTEM." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin990813095.

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31

Andersson, Nina. "Cerebrospinal fluid infusion methods : development and validation on patients with idiopathic normal pressure hydrocephalus." Doctoral thesis, Umeå : Univ, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1359.

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32

FACCA, ANDREA. "NUMERICAL AND LABORATORY STUDY OF SEISMIC WAVES PROPAGATION, TEMPERATURE EFFECTS AND FLUID FLOWS IN MULTILAYERED MEDIA." Doctoral thesis, Università degli Studi di Trieste, 2022. http://hdl.handle.net/11368/3030772.

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Steel production by continuous casting is nowadays the most efficient method and the one that yields the best quality semi-finished products. The types of steel that can be produced varies greatly depending on the composition of the mixtures, the casting powders used to prevent oxidation and reduce heat loss, the cooling rate, and many other factors. During continuous casting, heat from the molten steel must be removed in large quantities and quickly to allow the first layer of solid skin to be created, so the continuous casting moulds, i.e. large hollow tubes generally made of copper alloys,

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33

Struwig, Daniel Johannes. "The development and verification of a centrifugal compressor test bench." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86250.

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Thesis (MScEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: Turbomachinery plays an important role in the efficiency of power generation and combustion processes used in the automotive and aerospace industries. The potential for fulfilling future energy needs has been identified in both civilian and military applications, for example micro gas turbines (MGTs) used in unmanned aireial vehicles (UAVs). The goal of this thesis was to build a performance testing facility for small-scale centrifugal compressors, for use in MGTs. The objectives of this study were mainly achieved through

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34

Kuoppala, Oskar. "Cavitation analysis on test rig. : An experimental and CFD study executed in collaboration with Epiroc AB." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-188337.

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This master thesis project was done in collaboration with Epiroc Group Ab. Epiroc supplies high-quality drills of various types that can be used both above and below ground. A major problem in their percussive rock drills is that that cavitation is formed. Cavitation is a phenomenon that occurs when a fluid is subject to a sudden pressure drop. This pressure drop causes the liquid to vaporize and create gas bubbles. These gas bubbles will cause erosion to the walls when imploded. These cavitation damages lead to drills breaking and parts having to be replaced preserved. An experimental rig was

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35

Ehrmann, Robert S. "Development of Measurement Methods for Application to a Wind Tunnel Test of an Advanced Transport Model." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/369.

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California Polytechnic State University, San Luis Obispo is currently working towards developing a Computational Fluid Dynamics (CFD) database for future code validation efforts. Cal Poly will complete a wind tunnel test on the Advanced Model for Extreme Lift and Improved Aeroacoustics (AMELIA) in the National Full-Scale Aerodynamics Complex (NFAC) 40 foot by 80 foot wind tunnel at NASA Ames Research Center in the summer of 2011. The development of two measurement techniques is discussed in this work, both with the objective of making measurements on AMELIA for CFD validation. First, the work

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36

Swanson, Erik Evan. "Design and Evaluation of an Automated Experimental Test Rig for Determination of the Dynamic Characteristics of Fluid-Film Bearings." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/30727.

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Hydrodynamic journal bearings are applied in a wide range of both old and new, advanced rotating machinery designs. To maintain existing machinery, as well as to design new, state of the art machines, validated analytical models for these bearings are needed. This work documents the development and evaluation of an automated test rig for the evaluation of hydrodynamic journal bearings to provide some of the needed experimental data. This work describes the test rig in detail, including the results of experimental characterization of many of the test rig subsystems. Experimental data for a t

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37

Ozgen, Onur. "Design Improvements On Mixed Flow Pumps By Means Of Computational Fluid Dynamics." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12608093/index.pdf.

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The demand on high efficiency pumps leads the manufacturers to develop new design and manufacturing techniques for rotodynamic pumps. Computational Fluid Dynamics (CFD) software are started to be used during the design periods for this reason in order to validate the designs before the pumps are produced. However the integration process of CFD software into the design procedure should be made carefully in order to improve the designs. In this thesis, the CFD software is aimed to be integrated into the pump design procedure. In this frame, a vertical turbine type mixed flow pump is aimed to be

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38

Weidner, Katherine Lourene. "Evaluation of the Jet Test Method for determining the erosional properties of Cohesive Soils; A Numerical Approach." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/72983.

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Estimates of bank erosion typically require field measurements to determine the soil erodibility since soil characteristics are highly variable between sites, especially for cohesive soils. The submerged jet test device is an in situ method of determining the critical shear stress and soil erodibility of cohesive soils. A constant velocity jet, applied perpendicular to the soil surface, creates a scour hole which is measured at discrete time intervals. While the results of these tests are able to provide values of critical shear stress and soil erodibility, the results are often highly variabl

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39

Meng, Li. "Development of one-step strip test for rapid detection of antibiotic residues in animal body fluid and food animal products /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?BIEN%202006%20MENG.

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40

Rowan, D. "Design and development of a high-speed test facility and the measurement of the fluid film characteristics of journal bearings." Thesis, Cranfield University, 1998. http://dspace.lib.cranfield.ac.uk/handle/1826/11357.

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In the theoretical analysis of high speed rotor bearing systems, it is common to use four displacement and four velocity based coefficients, which characterise the behaviour of the lubricating fluid film. Although a great deal of work has been published establishing theoretical models of all types of hydrodynamic journal bearings, the large amount of experimental work has centred on relatively low speed conditions. This work presents a contribution to the experimental study of the static and dynamic characteristics of oil films in journal bearings used in high-speed rotating machinery. The mai

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41

DeJager-Kennedy, Robin. "Semi-Analytical Analysis of Hand-Arm Vibration and Bench-Top Fluid Flow Test to Understand Vibration Effect on Vascular Disorder." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1282062413.

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42

Yang, Qing. "A computational fluid dynamic approach and Monte Carlo simulation of phantom mixing techniques for quality control testing of gamma cameras." Thesis, University of Canterbury. Physics and Astronomy, 2013. http://hdl.handle.net/10092/8742.

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In order to reduce the unnecessary radiation exposure for the clinical personnel, the optimization of procedures in the quality control test of gamma camera was investigated. A significant component of the radiation dose in performing the quality control testing is handling phantoms of radioactivity, especially the mixing to get a uniform activity concentration. Improving the phantom mixing techniques appeared to be a means of reducing radiation dose to personnel. However, this is difficult to perform without a continuous dynamic tomographic acquisition system to study mixing the phantom. In t

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43

Eisenträger, Almut. "Finite element simulation of a poroelastic model of the CSF system in the human brain during an infusion test." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:372f291f-cf36-48ef-8ce8-d4c102bce9e3.

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Cerebrospinal fluid (CSF) fills a system of cavities at the centre of the brain, known as ventricles, and the subarachnoid space surrounding the brain and the spinal cord. In addition, CSF is in free communication with the interstitial fluid of the brain tissue. Disturbances in CSF dynamics can lead to diseases that cause severe brain damage or even death. So-called infusion tests are frequently performed in the diagnosis of such diseases. In this type of test, changes in average CSF pressure are related to changes in CSF volume through infusion of known volumes of additional fluid. Traditiona

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Murray, A. "A critical study of the application of the fluid bridge test before, during and after surgery for stress incontinence in women." Thesis, University of Liverpool, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384350.

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45

Langenhoven, Jacobus. "The effects of humidity and soluble water content on the lubricity testing of a n-hexadecane and palmitic acid test fluid." Diss., University of Pretoria, 2014. http://hdl.handle.net/2263/46242.

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Liquid fuel lubricity testing is known to be sensitive to the humidity of the surrounding atmosphere. The effect reported does however not seem to be universal for all diesel types according to available literature. This study was limited to the use of n-hexadecane as base fluid with addition of between 100 - 2000 ppm of palmitic acid (PA) as lubricity enhancer. The fuel spectrum was kept simple to allow a more fundamental approach by limiting the extent of possible chemical reactions. Both wear and seizure load testing were performed. The effect of water on both tests was found to be:  Wea

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46

Ying, Pei. "Aerodynamic analysis of a novel wind turbine for an omni-flow wind energy system." Thesis, University of Hertfordshire, 2016. http://hdl.handle.net/2299/17355.

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The purpose of this research is to propose a novel wind turbine for an omni-flow wind energy system and investigate its aerodynamic performance. The geometry of the novel wind turbine is based upon the impulse turbine technology which has been successful in wave energy. In this study, both numerical and experimental studies were conducted to evaluate the aerodynamic features of this wind turbine. The numerical method was validated by a comparison between numerical and experimental results over a range of tip speed ratios. Results obtained from experiments and simulations indicate that the prop

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47

Tshuma, Mboneni Ona. "An exploration of the perceptions and experiences of community members on acceptability and feasibility of HIV Self-Testing Oral Fluid Test in Neta ward Mberengwa District, Zimbabwe." University of the Western Cape, 2018. http://hdl.handle.net/11394/6875.

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Master of Public Health - MPH<br>Background: The identification of undiagnosed HIV positive individuals through HIV testing services is one of the key measures in ensuring that the UNAIDS/ WHO 90 90 90 targets are achieved by the year 2020. The identification and subsequent initiation of HIV positive individuals on ART helps to minimise or prevent HIV transmission following viral suppression. Around 25% of people living with HIV globally are unaware of their positive status. In many countries, critical gaps exist in HIV services including prevention, testing and treatment. In Africa, the East

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Jingami, Naoto. "Two-Point Dynamic Observation of Alzheimer’s Disease Cerebrospinal Fluid Biomarkers in Idiopathic Normal Pressure Hydrocephalus." Kyoto University, 2020. http://hdl.handle.net/2433/253481.

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Manivannan, Sivaprasath. "Measuring permeability vs depth in the unlined section of a wellbore using the descent of a fluid column made of two distinct fluids : inversion workflow, laboratory & in-situ tests." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLX086/document.

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Dans les puits de production d’eau, de pétrole, de gaz et de chaleur géothermique, ou dans les puits d’accès à un stockage d’hydrocarbures, il est précieux de connaître la perméabilité de la formation ou de sa couverture en fonction de la profondeur, soit pour améliorer le modèle de réservoir, soit pour choisir les zones dans lesquelles procéder à des opérations spéciales.On propose une technique qui consiste à balayer la hauteur du découvert par une interface entre deux liquides de viscosités très contrastées. Le débit total qui pénètre la formation à chaque instant est ainsi une fonction de

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Mata, Mena Clemente. "Hydraulic behaviour of bentonite based mixtures in engineered barriers: The Backfill and Plug Test at the Äspö HRL (Sweden)." Doctoral thesis, Universitat Politècnica de Catalunya, 2003. http://hdl.handle.net/10803/6234.

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In 1996 the Backfill and Plug Test Project started at the Äspö Hard Rock Laboratory (Sweden) managed by SKB (the Swedish Radioactive Waste Agency). The Backfill and Plug Test Project makes up an important part of SKB's research in order to store nuclear waste in a deep geological repository in a safe manner. ENRESA (the Spanish Radioactive Waste Agency) collaborates in this project with the Swedish companies SKB and Clay Technology in characterising the hydro-mechanical behaviour of the backfill material used to backfill a gallery.<br/>The backfill, obtained by mixing 30% of sodium bentonite M

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