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ACRC Technical Report 241PDF

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Title:Prediction of Two-Phase Pressure Drop and Void Fraction in Microchannels Using Probabilistic Flow Regime Mapping
Author(s):Jassim, E.W.; Newell, T.A.
Subject(s):pressure drop
heat transfer
microchannels
two-phase flow
void fraction
Abstract:Probabilistic two-phase flow map pressure drop and void fraction models are developed for 6-port microchannels in order to provide a more accurate and common means of predicting void fraction and pressure drop. The models are developed for R134a, R410A, and air-water in 6-port microchannels at 10o C saturation temperatures, qualities from 0 to 1, and mass fluxes varying from 50 to 300kg/m2-s. The probabilistic flow map models developed are found to accurately predict void fraction and pressure drop for the entire quality range and for all three fluids.
Issue Date:2005-07
Publisher:Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign.
Series/Report:Air Conditioning and Refrigeration Center TR-241
Genre:Technical Report
Type:Text
Language:English
URI:http://hdl.handle.net/2142/12352
Sponsor:Air Conditioning and Refrigeration Project 135
Date Available in IDEALS:2009-06-22


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