Study on Heat Transfer and Pressure Drop Performances of Airfoil-Shaped Printed Circuit Heat Exchanger

被引：1

作者：

Li, Lei ^{[1
]}

Ma, Ting ^{[1
]}

Xu, XiangYang ^{[1
]}

Zeng, Min ^{[1
]}

Wang, QiuwWang ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Minist Educ, Key Lab Thermal Fluid Sci & Engn, Xian 710049, Shaanxi, Peoples R China

来源：

PRES 2014, 17TH CONFERENCE ON PROCESS INTEGRATION, MODELLING AND OPTIMISATION FOR ENERGY SAVING AND POLLUTION REDUCTION, PTS 1-3 | 2014年 / 39卷

关键词：

DIAMETER TUBE ROWS; FRICTION CHARACTERISTICS; LARGE NUMBER; FINS;

D O I：

10.3303/CET1439150

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Printed circuit heat exchanger (PCHE) is one of the most promising micro-channel heat exchangers for very high temperature and high pressure conditions. In the present study, PCHE has four channel configurations: straight, zigzag, s-shaped fin and airfoil-shaped fin. In this paper, we investigate the effects of parameters such as Reynolds number, the number of fin rows, fin transverse pitch and longitudinal pitch on the pressure drop and heat transfer by means of CFD code. It is found that the heat transfer and fluid flow approach fully developed conditions when the number of tube rows is greater than 9, and both of the f and Nu decrease with the increase of fin transverse pitch and longitudinal pitch. The f and Nu correlations are obtained.

引用

页码：895 / 900

页数：6

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