Single-phase experimental analysis of heat transfer in helically finned heat exchanger

被引：16
|
作者：
Martinez, E. [1 ]
Vicente, W. [1 ]
Salinas, M. [1 ]
Soto, G. [2 ]
机构：
[1] Univ Nacl Autonoma Mexico, Inst Ingn, Mexico City 04510, DF, Mexico
[2] UAM, Dept Energia, Mexico City 02200, DF, Mexico
来源：
APPLIED THERMAL ENGINEERING | 2009年 / 29卷 / 11-12期
关键词：
Experiment; Heat exchangers; Serrated fins; Pressure drop; Heat transfer coefficient;
D O I：
10.1016/j.applthermaleng.2008.11.002
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A methodology for designing helically serrated finned tube heat exchanger based on the logarithmic Mean Temperature Difference (LMTD) method is validated with experimental tests. The method uses semi-empirical correlations for calculating convective coefficients both inside and outside staggered tube bundles. Equipment was designed, built. and installed in a paper factory in order to validate the methodology. Comparisons between predictions and experimental data show a precision of approximately 96% in heat transfer and approximately 90% in pressure drop for Reynolds numbers upper to 10,000. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2205 / 2210
页数：6
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