Air-water two-phase flow and heat transfer in a plate heat exchanger

被引：119
|
作者：
Vlasogiannis, P [1 ]
Karagiannis, G [1 ]
Argyropoulos, P [1 ]
Bontozoglou, V [1 ]
机构：
[1] Univ Thessaly, Dept Mech & Ind Engn, GR-38334 Pedion Areos, Volos, Greece
来源：
INTERNATIONAL JOURNAL OF MULTIPHASE FLOW | 2002年 / 28卷 / 05期
关键词：
air-water flow; plate and frame heat exchanger; flow regime map; coefficient of heat transfer;
D O I：
10.1016/S0301-9322(02)00010-1
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A plate heat exchanger is tested under two-phase flow conditions by using an air/water mixture as the cold stream. Visual observations recorded by a high-speed video camera lead to the construction of a flow regime map. The heat transfer coefficient of the air/water stream is measured as a function of air and water superficial velocities. The flow regime with a gas-continuous phase covering the core of the channel and liquid flowing in the form of rivulets inside the furrows shows particularly favorable heat transfer characteristics. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：757 / 772
页数：16
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