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Title: Modelling pressure fluctuations during flow boiling in microchannels with inlet compressibility and resistance
Authors: Gedupudi, S
Karayiannis, TG
Kenning, DBR
Keywords: Flow boiling
Heat sink
Pressure fluctuations
Publication Date: 2009
Publisher: Committees of ExHFT-7
Citation: 7th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics (ExHFT-7), Krakow, Poland, June 28 - July 03, 2009
Abstract: Confined bubble growth during flow boiling at low pressures in microchannels generates pressure fluctuations that may cause transient flow reversals that disturb the flow distribution in heat sinks formed of parallel channels joined by plena. A simple model is developed for the effects of upstream compressibility and flow resistance at the channel inlet on the magnitude of the pressure transient during the growth of one bubble in a single channel. Preliminary results are presented.
Appears in Collections:School of Engineering and Design Research papers
Mechanical and Aerospace Engineering

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