Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Fluid stream"”.
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Imaging-based lensless polarisation-resolving fluid stream analyser for automated, label-free and cost-effective microplastic classification
… this area presents a challenge in that in situ fluid stream solutions are not readily available and traditional sampling methods are labour-intensive and costly. Additionally, the lack of consensus on sampling techniques makes comparing results dicult. Our proposed device demonstrates an …
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The Giesel ejector: a practical appraisal of its ability to improve the performance of a steam locomotive
… utilises the kinetic energy in a high velocity fluid stream, to entrain end extract a second fluid from a given location.
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Aerodynamic stability of oscillating bridges
… the various models oscillating torsionally in a fluid stream of uniform velocity. From static tests and pressure distribution examinations predictions of vertical and torsional stability trends have been made and approximate aerodynamic constants evaluated. Observations of the change in energy …
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High speed imaging of transient non-Newtonian fluid phenomena
… into the nature of short-duration transient fluid phenomena, specifically applied to the Kaye effect. The Kaye effect, noted by A. Kaye in the March 9, 1963 issue of Nature, is the deflection and rebound of a free-falling non-Newtonian fluid stream incident on a pool of the same fluid. The …
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The Volumetric Properties for Selected Impurities in Dense CO2 Destined for Re-Injection
… O2, and SO2 can find a way into a CO2 injectate stream. These impurities can impact the thermophysical properties and chemical equilibria within the fluid stream. In this work, the volumetric influence of H2S, COS, CS2, SO2, and O2 impurities in a dense CO2 phase were studied through …
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A fundamental approach to predicting mass transfer coefficients in bubble column reactors
… Recent attempts at modelling micro-scale bubble-fluid interaction resulted in the Bubble Cell Model, BCM, (Coetzee et al., 2009) which simulates the velocity vector field around a single gas bubble in a flowing fluid stream using a Semi-Analytical model. The aim of the present study is to extend …
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Three dimensional printing : solenoid value-jet for continuous high-speed application
… relationship is observed between pressure and fluid flow-rate, with an upper operational limit of 25psi. An individual valve-jet evaluated is capable of producing fluid stream with a variability of ± 0.01 mm on the front edge and ± 0.1 mm on the trailing edge. A build time of 4.5 hours, with a …
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Development of icejet-based surface processing technology
… ice media was accelerated by entrainment in a fluid stream (air, steam, liquid water, supercritical C0_2), impact of rotating blades, fluid expansion, etc. The ice-airjet has to replace sand blasting and the ice-waterjet has to replace the abrasive waterjet. Based on these results, technical …
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Cop and capacity improvement through work and heat recovery by using vortex tube
… device that separates an incoming high-pressure fluid stream into two low-pressure streams. Work interaction during the expansion process causes a temperature decrease in one of the two exit streams, while the other one experiences a temperature increase. The expansion process in a vortex tube …
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Experimental investigation of vortex tube and vortex nozzle for applications in air-conditioning, refrigeration, and heat pump systems
… tube can separate an incoming high pressure fluid stream into two low pressure fluid streams with different temperatures. In this project, the applicability of expansion work recovery through vortex tube in heating and cooling cycles has been examined. Vortex tube thermal separation …
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The Application of BioHeat Perfusion Sensors to Analyze Preservation Temperature and Quantify Pressure Ischemia of Explanted Organs
… oxygen content, and conductivity of the fluid stream were all monitored throughout the duration of experimentation. In addition to inline sensors, IR imaging captured the surface temperature of the organ while on the system. Lastly, the use of a combined heat flux-temperature (CHFT) …