Journal
HEAT TRANSFER ENGINEERING
Volume 36, Issue 5, Pages 511-520Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01457632.2014.932548
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Funding
- Office of Naval Research at the University of Maryland, College Park
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Two-phase heat transfer and pressure drop results for a chip-scale, uniformly heated, microgap channel, with nominal gap heights of 100, 200, and 500 mu m and using HFE-7100 and FC-87 as the working fluids, are reported. Average heat transfer coefficients in the range of 5 to 30 kW/m(2)-K were observed, for exit qualities up to 60%. Local heat transfer coefficients, obtained through an inverse computational technique, are found to vary strongly with thermodynamic quality and to fall within +/- 30% of the predictions of the venerable Chen correlation.
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