Heat transfer and pressure drop during condensation of refrigerants inside horizontal enhanced tubes

被引：171
作者：
Cavallini, A
Del Col, D
Doretti, L
Longo, GA
Rossetto, L
机构：
[1] Univ Padua, Dept Fis Tecn, I-35131 Padua, PD, Italy
[2] Univ Padua, Dipartimento Tecn & Gest Sistemi Ind, Padua, Italy
来源：
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2000年 / 23卷 / 01期
关键词：
heat transfer; condensation; tube; refrigerants; enhancement; oil;
D O I：
10.1016/S0140-7007(99)00032-8
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper presents a critical review of correlations to compute heat transfer coefficients and pressure drop, for refrigerants condensing inside commercially available tubes with enhanced surfaces of various types, and a theoretical analysis of the condensation phenomenon. Predictions from some of the above equations are compared with experimental data. In addition, information is presented about the influence of small amounts of compressor oil on the condensation of refrigerants in enhanced tubes. (C) 1999 Elsevier Science Ltd and IIR. All rights reserved.
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页码：4 / 25
页数：22
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