化学工程2025，Vol.53Issue(11)：49-53,5.DOI:10.3969/j.issn.1005-9954.2025.11.009
R290小管径管内流动沸腾传热关联式的评价分析
Evaluation and analysis of flow boiling heat transfer correlation of R290 in small tube diameter
摘要
Abstract
As one of the main replacements of environmentally friendly refrigerants,R290 is increasingly in demand for flow boiling heat transfer calculations in tubes.However,the applicability of existing correlations for flow boiling heat transfer in tubes using R290 remains unclear.There are significant discrepancies in the available experimental data and the evaluation of these correlations,with some conclusions even contradicting each other.This causes considerable difficulty in selecting the appropriate calculation correlation.To address this issue,531 sets of experimental data on flow boiling heat transfer of R290 in tubes were extensively gathered from existing research and the four correlations formulas with high accuracy in current studies were evaluated and analyzed.Through the comparative analysis of these four correlations,the heat transfer correlation with the smallest error was identified.Based on this,the correlation was fitted and corrected to improve its calculation accuracy.After correction,the average absolute error of the heat transfer correlation decreases from 34.8％to 23.3％,significantly enhancing the accuracy of the calculation results.关键词
R290/流动沸腾换热/换热关联式/换热系数Key words
R290/flow boiling heat transfer/heat exchanger correlation/heat transfer coefficient分类
能源科技引用本文复制引用
刘业凤,罗志鹏,钟海辉,丁民淅,李洁,张华..R290小管径管内流动沸腾传热关联式的评价分析[J].化学工程,2025,53(11):49-53,5.基金项目
中央引导地方科技发展资金(YDZX20213100003002) （YDZX20213100003002）
国家重点研发计划(2020YFF0303901) （2020YFF0303901）
