Browsing by Subject "PIV"
Now showing items 1-20 of 33
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(Texas A&M University, 2005-02-17)A program based on particle tracking velocimetry (PTV) was developed in this work. The program was successfully validated by means of artificial images where parameters such as radius, concentration, and noise were varied ...
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(2016-05-04)This dissertation presents laboratory experiments of bubble plumes in crossflows and field measurements in managed lakes aerated by bubble plumes to better understand the behavior of bubble plumes in natural environments. ...
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(2010-07-14)Shape memory polymer foams may be used to treat vascular aneurysms through thermal actuation of the foam from a compacted to an expanded configuration within the aneurysm structure, thereby alleviating blood pressure on ...
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Design and PIV Measurements on a Wire-Wrapped 61-Rod Hexagonal Fuel Assembly Experimental Facility (2017-05-04)The superior uranium utilization efficiency of fast spectrum reactors relative to thermal spectrum reactors was recognized shortly after commercial reactor development started. The sodium fast reactor design, a type of ...
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Design and Preliminary Measurements Inside a Simplified High Temperature Gas-Cooled Reactor Building (2017-04-28)A simplified high temperature gas-cooled reactor building was developed at Texas A&M University to understand the response of an actual facility to a depressurization accident scenario. A set of scaling laws were established ...
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(2018-12-13)Randomly packed pebble bed structures are found in many engineering applications, such as solar thermal batteries, chemical catalytic reactors, fluid refinement and filtering, magnetic refrigerators, biological tissues, ...
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(2020-04-15)This thesis presents designs and implementations of 2-D Particle Image Velocimetry (PIV), stereo-PIV, and selective seeding that enable application of PIV in large-scale, production-type wind tunnels. The PIV systems use ...
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(2009-05-15)This dissertation presents a series of laboratory experiments to study flow and mixing properties of multiphase plumes. The particle image velocimetry (PIV) and laserinduced fluorescence (LIF) techniques are developed to ...
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(2010-10-12)The technical feasibility of hypersonic flight (i.e., re-entry, hypersonic flight vehicles, cruise missiles, etc.) hinges on our ability to understand, predict, and control the transport of turbulence in the presence of ...
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(Texas A&M University, 2008-10-10)Improved basic understanding, predictability, and controllability of vortex-dominated and unsteady aerodynamic flows are important in enhancement of the performance of next generation helicopters. The primary objective of ...
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(2014-08-08)The Very High Temperature Reactor (VHTR) is a Generation IV nuclear reactor that is currently under design. It modifies the current high temperature gas reactor (HTGR) design to have a 1000 ^(0)C coolant outlet. This ...
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(2019-04-25)Thermal hydraulics in nuclear engineering including multifluid, multiphase flow phenomena is indispensable because it is the most crucial mechanism of energy transfer in the current conventional nuclear plants, and it also ...
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(2021-03-29)The High Temperature Gas-cooled Reactor (HTGR) is one of the promising reactors in the Generation IV nuclear reactors. In this research, experimental measurements were done at 1/16th scaled upper plenum of a HTGR that was ...
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(2012-12-05)This present study seeks to contribute detailed visualization data on a pool boiling experiments using HFE-7000. Particle Image Velocimetry (PIV) was used to measure the time resolved whole field liquid velocity. Bubble ...
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(2015-11-25)Turbulent mixing of parallel jet flows has broad engineering applications. For example, in Gen IV conceptual nuclear reactors, high-temperature flows mix in the lower plenum before entering the secondary cooling system. ...
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(2011-10-21)A new measurement technique called fiber optic reflectometer (FOR) was developed to investigate multiphase flows. The principle and setup of the FOR technique were introduced and applied to various experiments. Based on ...
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(Texas A&M University, 2005-08-29)This study presents laboratory observations of flow characteristics for regular waves passing a rectangular barge in a two dimensional wave tank. The rectangular barge was fixed and free to roll (one degree of freedom) in ...
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(2021-12-10)As we push towards a reduction of carbon emissions without sacrificing reliability and safety, advanced applications of molten-salt technology are currently being considered for use. Many previous studies have focused on ...
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(2020-07-28)A very high-temperature, test facility was designed and constructed at the Thermal-Hydraulic Research Laboratory of Texas A&M University (TAMU) to conduct two-phase flow visualization experiments in molten salt. A ...
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(2017-06-22)This thesis provides a fundamental understanding of the unsteady aerodynamic phenomena on a cycloidal rotor blade operating at ultra-low Reynolds numbers (Re~18,000) by utilizing a combination of experimental (force and ...