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General Characterization of Jet Impingement Array Heat Sinks With Interspersed Fluid Extraction Ports for Uniform High-Flux Cooling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In conventional jet impingement array heat sinks, all the spent coolant is extracted from component edges, resulting in cross-flow interference and nonuniform heat transfer. Jet impingement arrays with interspersed fluid ...
Simple Mechanistically Consistent Formulation for Volume of Fluid Based Computations of Condensing Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerous investigations have been conducted to extend adiabatic liquid–gas volumeoffluid (VOF) flow solvers to include condensation phenomena by adding an energy equation and phasechange source terms. Some proposed ...
A Computational Study on the Effects of Surface Tension and Prandtl Number on Laminar-Wavy Falling-Film Condensation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Characterization of wavy film heat and mass transfer is essential for numerous energy-intensive chemical and industrial applications. While surface tension is the underlying cause of film waviness, widely used correlations ...
High Flux Thermal Management With Supercritical Fluids
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A novel thermal management approach is explored, which uses supercritical carbon dioxide (sCO2) as a working fluid to manage extreme heat fluxes in electronics cooling applications. In the pseudocritical region, sCO2 has ...
Guidelines for Reduced-Order Thermal Modeling of Multifinger GaN HEMTs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The increasing demand for tightly integrated gallium nitride high electron mobility transistors (HEMT) into electronics systems requires accurate thermal evaluation. While these devices exhibit favorable electrical ...