Experimental investigation of condensation heat transfer and pressure drop of propane, R1234ze(E) and R22 in minichannels

Experimental investigation of condensation heat transfer and pressure drop of propane, R1234ze(E)... •Condensation heat transfer and pressure gradients of propane and R1234ze(E) are investigated in minichannels.•Effects of G, x, ts and channel geometry on h and (dp/dz)f are studied.•h in a square tube is enhanced by the surface tension than in a circular tube.•Propane and R1234ze(E) are good substitutes for R22 with good condensation heat transfer.•Pressure gradients for propane and R1234ze(E) are larger than those for R22. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Thermal Engineering Elsevier

Experimental investigation of condensation heat transfer and pressure drop of propane, R1234ze(E) and R22 in minichannels

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Publisher
Elsevier
Copyright
Copyright © 2016 Elsevier Ltd
ISSN
1359-4311
eISSN
1873-5606
D.O.I.
10.1016/j.applthermaleng.2016.03.073
Publisher site
See Article on Publisher Site

Abstract

•Condensation heat transfer and pressure gradients of propane and R1234ze(E) are investigated in minichannels.•Effects of G, x, ts and channel geometry on h and (dp/dz)f are studied.•h in a square tube is enhanced by the surface tension than in a circular tube.•Propane and R1234ze(E) are good substitutes for R22 with good condensation heat transfer.•Pressure gradients for propane and R1234ze(E) are larger than those for R22.

Journal

Applied Thermal EngineeringElsevier

Published: Jun 5, 2016

References

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