Two-phase heat transfer to a refrigerant in a 1 mm diameter tube

S. Lin, P. A. Kew, K. Cornwell

Research output: Contribution to journalArticle

164 Citations (Scopus)

Abstract

A study of two-phase flow and heat transfer in a small tube of 1 mm internal diameter has been conducted experimentally as part of a wider study of boiling in small channels. R141b has been used as the working fluid. The boiling heat transfer in the small tube has been measured over a mass flux range of 300-2000 kg/m2 s and heat flux range of 10-1150 kW/m2. In this paper the boiling map for a mass velocity of 510 kg/m2 s and heat flux of 18-72 kW/m2 is discussed and the problems of determining heat transfer coefficients in small channels are highlighted.

Original languageEnglish
Pages (from-to)51-56
Number of pages6
JournalInternational Journal of Refrigeration
Volume24
Issue number1
DOIs
Publication statusPublished - Jan 2001

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