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Flow patterns and flowboiling heat transfer of freon R318C in an annular minichannel

Flow patterns and flowboiling heat transfer of freon R318C in an annular minichannel Abstract This paper deals with experimental results on flowboiling heat transfer of liquid moving in an annular channel with unilateral central heating under the conditions of a significant effect of capillary forces on the flow modes and heat transfer. Experiments were carried out on boiling freon R318C in an annular channel with a gap of 0.95 mm and transparent outer wall. The inner wall was heated by the electric current. The local heat transfer coefficients and flow modes are presented. The critical film thickness corresponding to suppression of nucleate boiling was determined. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Flow patterns and flowboiling heat transfer of freon R318C in an annular minichannel

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Publisher
Springer Journals
Copyright
2007 V.V. Kuznetsov and A.S. Shamirzaev
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/S0869864307010076
Publisher site
See Article on Publisher Site

Abstract

Abstract This paper deals with experimental results on flowboiling heat transfer of liquid moving in an annular channel with unilateral central heating under the conditions of a significant effect of capillary forces on the flow modes and heat transfer. Experiments were carried out on boiling freon R318C in an annular channel with a gap of 0.95 mm and transparent outer wall. The inner wall was heated by the electric current. The local heat transfer coefficients and flow modes are presented. The critical film thickness corresponding to suppression of nucleate boiling was determined.

Journal

Thermophysics and AeromechanicsSpringer Journals

Published: Mar 1, 2007

References