Heat transfer correlations for flow boiling of hydrocarbon mixtures inside horizontal tubes

被引：2
|
作者：
Zou, X. [1 ]
Gong, M. Q. [1 ]
Wu, J. F. [1 ]
Chen, G. F. [1 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Cryogen, Beijing 100190, Peoples R China
来源：
PROCEEDINGS OF THE 25TH INTERNATIONAL CRYOGENIC ENGINEERING CONFERENCE AND INTERNATIONAL CRYOGENIC MATERIALS CONFERENCE 2014 | 2015年 / 67卷
关键词：
Flow boiling; Hydrocarbon mixtures; Correlation; Heat transfer; GENERAL CORRELATION; PRESSURE-DROP; SMOOTH TUBE;
D O I：
10.1016/j.phpro.2015.06.111
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The hydrocarbons and its mixtures are suitable for environment-friendly refrigerant alternatives because of their good environmental criteria and high thermodynamic performances. Based on the experimental results of the hydrocarbon mixtures, a correlation was developed earlier by Zou (2010) to predict saturated flow boiling heat transfer coefficients inside horizontal smooth tubes. In this article, the proposed correlation is extended to predict evaporation of some more mixtures (such as R50/R170) inside a horizontal tube by evaluating the mixture factor for that fluid. The comparisons of the present model and other classic models with the previous experimental data are made to evaluate the mean deviation for the hydrocarbon mixtures. It reveals that the new model is better to predict the flow boiling heat transfer for the hydrocarbon mixtures. (C) 2014 The Authors. Published by Elsevier B.V.
引用
收藏
页码：655 / 660
页数：6
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