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RISTwo-Phase Microchannel Heat Sinks: Theory, Applications, and Limitations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Boiling water in small channels that are formed along turbine blades has been examined since the 1970s as a means to dissipating large amounts of heat. Later, similar geometries could be found ...
Experimental Investigation and Theoretical Model for Subcooled Flow Boiling Pressure Drop in Microchannel Heat Sinks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study examines the pressure drop characteristics of subcooled two-phase microchannel heat sinks. A new model is proposed, which depicts the subcooled flow as consisting of a homogeneous ...
A Systematic Methodology for Optimal Design of Two-Phase Micro-Channel Heat Sinks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study provides a comprehensive methodology for optimizing the design of a two-phase micro-channel heat sink. The heat sink parameters are grouped into geometrical parameters, operating ...
Implementation of Microchannel Evaporator for High-Heat-Flux Refrigeration Cooling Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: While most recently electronic cooling studies have been focused on removing the heat from high-power-density devices, the present study also explores means of greatly decreasing the device ...
A Systematic Approach to Predicting Critical Heat Flux for Inclined Sprays
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study provides a new systematic approach to predicting the effects of spray inclination on critical heat flux (CHF). Experiments were performed with three pressure spray nozzles over a ...
Pumpless Loop for Narrow Channel and Micro-Channel Boiling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A compact cooling system is examined which capitalizes upon fluid density differences between two vertical, parallel, interconnected tubes to achieve a pumpless cooling loop. A heat-dissipating ...
Enhanced Design of Cross-Flow Microchannel Heat Exchanger Module for High-Performance Aircraft Gas Turbine Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study explores the design of highly compact air–fuel heat exchangers for high-performance aircraft turbine engines. The heat exchangers consist of a large number of modules that can be ...
Sensible Heating and Boiling Incipience in Free-Falling Dielectric Liquid Films
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Controlling boiling incipience is of paramount importance for reliable operation of liquid-cooled microelectronic heat sources during power transients. This study focuses on heat transfer from a ...
Two-Phase Electronic Cooling Using Mini-Channel and Micro-Channel Heat Sinks: Part 1—Design Criteria and Heat Diffusion Constraints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Mini-channel (D = 2.54 mm) and micro-channel (D = 510 μm) heat sinks with a 1-cm2 heated surface were tested for their high heat flux performance with flow boiling of R-113. Experimental ...
Comparison of Two-Phase Electronic Cooling Using Free Jets and Sprays
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The performances of free jets and sprays were compared experimentally in cooling a 12.7 × 12.7 mm2 chip in order to ascertain the effects of key parameters on cooling performance and to ...