Exergy Effectiveness Analysis of Three-Fluid Heat Exchanger

被引：5

作者：

Ruan, Deng-Fang ^{[1
]}

Yuan, Xiao-Feng ^{[2
]}

Wu, Shuang-Ying ^{[2
]}

Li, You-Rong ^{[2
]}

机构：

[1] Chongqing Univ, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China

[2] Chongqing Univ, Coll Power Engn, Chongqing 400044, Peoples R China

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2010年 / 23卷 / 06期

关键词：

Heat exchanger; Exergy; Heat transfer; Effectiveness; 3 THERMAL COMMUNICATIONS; PART;

D O I：

10.1007/s10948-010-0680-5

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this paper, exergy effectiveness is defined to describe the thermodynamic performance of three-fluid heat exchangers with three thermal communications. It is systemically discussed that the effects of eight non-dimensional design parameters, which include the ratio of the thermal resistances between fluids, the ratio of thermal capacity between fluids, the number of transfer units, the dimensionless inlet temperature of fluid, and the ratio of the inlet temperature of fluids on exergy effectiveness of three-fluid heat exchangers. Furthermore, the exergy effectiveness of the parallel flow is compared with that of the counter flow. The obtained results are helpful for engineers to evaluate and improve the performances of three-fluid heat exchangers.

引用

页码：1127 / 1131

页数：5

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