Single-phase flow thermal performance characteristics of a parallel microchannel heat exchanger

被引：12

作者：

Ravigururajan, TS ^{[1
]}

Drost, MK

机构：

[1] Wichita State Univ, Dept Mech Engn, Wichita, KS 67260 USA

[2] Dept Energy, Pacific NW Natl Lab, Richland, WA 99352 USA

来源：

JOURNAL OF ENHANCED HEAT TRANSFER | 1999年 / 6卷 / 05期

关键词：

microchannel heat exchangers; high flux heat transfer; heat transfer enhancement;

D O I：

10.1615/JEnhHeatTransf.v6.i5.50

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The paper outlines the results from a recent experimental study conducted on the single-phase flow characteristics of Refrigerant 124 in a parallel microchannel heat exchanger (MCHX), Single-phase tests were conducted on a parallel microchannel heat exchanger. The experimental study was conducted for a Reynolds number range of 220 to 1250 and a heat flux range of 30 to 90 kW/m(2). The data were compared with the predictions based on established developing, laminar flow concepts. The results showed that the increase in heat transfer coefficient was nearly 2 to 8 times the predicted values for the Re range of 200 to 1200. The corresponding increase in pressure drop was 7 to 18 times that predicted by conventional theory.

引用

页码：383 / 393

页数：11

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