Performance enhancement of cabinet cooling system by utilizing cross-flow plate heat exchanger

被引：19
|
作者：
Borjigin, Saranmanduh [1 ]
Zhang, Shuxiong [1 ]
Ma, Ting [1 ]
Zeng, Min [1 ]
Wang, Qiuwang [1 ]
机构：
[1] Xi An Jiao Tong Univ, Key Lab Thermofluid Sci & Engn, MOE, Xian 710049, Shaanxi, Peoples R China
来源：
ENERGY CONVERSION AND MANAGEMENT | 2020年 / 213卷 / 213期
基金：
中国国家自然科学基金;
关键词：
epsilon-NTU method; Cabinet cooling system; Cross-flow; Counter-flow; Thermal resistance; CORRUGATED TRIANGULAR DUCTS; GEOMETRICAL PARAMETERS; TURBULENT-FLOW; OPTIMIZATION; DISSIPATION; SIMULATION; ENTRANSY; RECOVERY; DESIGN; SHELL;
D O I：
10.1016/j.enconman.2020.112854
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Gas-gas plate heat exchanger is an important component to remove heat generated from electronic devices in the cabinet cooling system. The counter-flow plate heat exchanger is usually used due to its higher heat transfer performance than the cross-flow plate heat exchanger. However, in the cabinet cooling system, the overall dimensions for the heat exchanger is limited. Therefore, it is necessary to consider the overall dimensions of the system during heat exchanger design, but the traditional thermal design method of heat exchanger doesn't consider the effect of system parameters. In this paper, a cross-flow plate heat exchanger is proposed to improve the cooling performance of cabinet cooling system, and is compared with the counter-flow plate heat exchanger. The epsilon-NTU method and effectiveness-thermal resistance method are applied to evaluate the performance. It is found that for large width of cabinet cooling system, the system with cross-flow plate heat exchanger has higher cooling performance and lower thermal resistance than the system with counter-flow plate heat exchanger. When the width is 700 mm, the cooling capacity of the two systems are 176.13 W/K and 138.95 W/K, respectively. The dimensionless thermal resistance can characterize the irreversibility of the heat transfer at constant mass flow rate.
引用
收藏
页数：9
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