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51	Development of Universal Databases and Predictive Tools for Two-Phase Heat Transfer and Pressure Drop in Cryogenic Flow Boiling Heated Tube Experiments Vishwanath Ganesan (7650614) 03 August 2023 (has links) <p>In this study, universal databases and semi-empirical correlations are developed for cryogenic two-phase heat transfer and pressure drop in heated tubes undergoing flow boiling.</p> Turbulent flows two-phase flow heat transfer pressure drop flow boiling boiling curve nucleate boiling critical heat flux film boiling minimum heat flux rewet temperature cryogens liquid helium liquid hydrogen liquid neon liquid nitrogen liquid argon liquid methane correlation database heat transfer coefficient pressure gradient nonequilibrium
52	Experimental Investigations and Theoretical/Empirical Analyses of Forced-Convective Boiling of Confined Impinging Jets and Flows through Annuli and Channels V.S. Devahdhanush (13119831) 21 July 2022 (has links) <p>This study comprises experimental investigations and theoretical/empirical analyses of three forced-convective (pumped) boiling schemes: (i) confined round single jet and jet array impingement boiling, and flow boiling through conventional-sized (ii) concentric circular annuli and (iii) rectangular channels. These schemes could be utilized in the thermal management of various applications including high-heat-flux electronic devices, power devices, electric vehicle charging cables, avionics, future space vehicles, etc.</p> Turbulent flows two-phase flows forced-convective boiling flow boiling critical heat flux jet impingement confined jets thermal management electric vehicles charging system design recommendations two-phase heat transfer coefficient high-speed-video photography orientation effects nucleate boiling degradation subcooled liquid inlet saturated liquid-vapor-mixture inlet Earth gravity partial heating

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Development of Universal Databases and Predictive Tools for Two-Phase Heat Transfer and Pressure Drop in Cryogenic Flow Boiling Heated Tube Experiments

Experimental Investigations and Theoretical/Empirical Analyses of Forced-Convective Boiling of Confined Impinging Jets and Flows through Annuli and Channels