Experimental and Numerical Study on Hydraulic Performance of Chevron Brazed Plate Heat Exchanger at Low Reynolds Number

被引：15

作者：

Zhong, Yi ^{[1
]}

Deng, Kai ^{[1
]}

Zhao, Shenglang ^{[1
]}

Hu, Jinlin ^{[1
]}

Zhong, Yingjie ^{[1
]}

Li, Qingyong ^{[2
]}

Wu, Zenan ^{[3
]}

Lu, Zhiming ^{[1
]}

Wen, Qing ^{[4
]}

机构：

[1] Zhejiang Univ Technol, Coll Mech Engn, Hangzhou 310023, Peoples R China

[2] IAE Suzhou Technol Co Ltd, Suzhou 215100, Peoples R China

[3] Guodian Han Chuan Power Generat Co Ltd, Hanchuan 431600, Peoples R China

[4] Ningbo Mingxin Chem Machinery Co Ltd, Ningbo 315200, Peoples R China

来源：

PROCESSES | 2020年 / 8卷 / 09期

基金：

中国国家自然科学基金;

关键词：

brazed plate heat exchanger; Darcy friction factor; low Reynolds number; pressure drop; corrugated; analysis; CFD; PRESSURE-DROP; FLUID-FLOW; CONFIGURATION;

D O I：

10.3390/pr8091076

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Few experiments have been performed to investigate the hydraulic performance in a chevron brazed plate heat exchanger (BPHE) with the narrow channel at lower Reynolds number. The hydraulic characteristics of seven types of chevron BPHEs were investigated experimentally and numerical simulation revealed the effects of structural parameters on hydraulic performances. The correlations between friction factorfandRewere fitted out based on more than 500 sets of pressure drop data. The research results show that there is a power-law between f and Re; which has a similar trend but a different amplitude for different plates, and the exponent of the power-law could be approximate to a constant. Numerical results show that the pressure drop Delta p is positively correlated with the corrugated angle and spacing, however, negatively correlated with the corrugated height. Research on the hydraulic performance is significant for the optimal design of BPHE.

引用

页数：20

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