Study of a compact spiral-coil cooling and dehumidifying heat exchanger

被引：30

作者：

Ho, JC

Wijeysundera, NE

机构：

[1] Dept. of Mech. and Prod. Engineering, National University of Singapore, Singapore 0511

来源：

APPLIED THERMAL ENGINEERING | 1996年 / 16卷 / 10期

关键词：

heat exchanger; spiral coil; cooling; dehumidification;

D O I：

10.1016/1359-4311(96)00002-6

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A spiral-coil heat exchanger consisting of a number of horizontal layers of spirally wound, finned tubes connected to vertical manifolds at the inner and outermost turns of each coil has been studied. A theoretical model predicting the thermal performance of the spiral-coil heat exchanger as a cooling and dehumidifying unit has been developed. Experiments on a laboratory model of the spiral-coil unit were conducted and the results obtained confirmed the theoretical predictions. Performance charts of enthalpy effectiveness and humidity ratio effectiveness vs Ntu suitable for air-handler unit design have also been presented. Copyright (C) 1996 Elsevier Science Ltd

引用

页码：777 / 790

页数：14

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