Dong Liang. EXPERIMENTAL INVESTIGATION ON BOILING HEAT TRANSFER OUTSIDE THE LOW FINNED TUBE WITH SHROUD[J]. Journal of Civil and Environmental Engineering, 1990, 12(3).
DOI:
Dong Liang. EXPERIMENTAL INVESTIGATION ON BOILING HEAT TRANSFER OUTSIDE THE LOW FINNED TUBE WITH SHROUD[J]. Journal of Civil and Environmental Engineering, 1990, 12(3). DOI: 10.11835/j.issn.1674-4764.1990.03.008.
EXPERIMENTAL INVESTIGATION ON BOILING HEAT TRANSFER OUTSIDE THE LOW FINNED TUBE WITH SHROUD
摘要
本文针对低肋管沸腾传热的特点
提出加强化屏改善低肋管池沸腾传热性能的方法。对低肋管加强化屏的池沸腾传热进行了实验。实验结果表明
采用强化屏可使低肋管沸腾传热系数提高几倍乃至十倍。强化效果与强化屏的开口度
加热负荷及工质热物性有关。
Abstract
Based on analysis of pool boiling characteristics outside low finned tube
this paper describes a simple method
using enhancing shroud to improve the performance of boiling heat transfer outside the low finned tube. The experiment results show that the boiling heat transfer coefficient can be 7-up to 10-fold enhanced by using shroud. The efficiency of a shroud is related to the size of two windows
heat flux and physical characteristics of test fluids.