Experiments on two-phase flow distribution inside parallel channels of compact heat exchangers

2008 ◽  
Vol 34 (2) ◽  
pp. 128-144 ◽  
Author(s):  
A. Marchitto ◽  
F. Devia ◽  
M. Fossa ◽  
G. Guglielmini ◽  
C. Schenone
Keyword(s):  
Heat Exchangers ◽  
Two Phase Flow ◽  
Flow Distribution ◽  
Phase Flow ◽  
Two Phase ◽  
Compact Heat Exchangers ◽  
Parallel Channels

Mini- and Microchannel Research in Sweden

2003 ◽  
Author(s):  
Bjo¨rn Palm
Keyword(s):  
Heat Exchangers ◽  
Single Phase ◽  
Single Channels ◽  
Phase Flow ◽  
Single Phase Flow ◽  
Two Phase ◽  
Compact Heat Exchangers ◽  
Micro Channels ◽  
Parallel Channels ◽  
Institute Of Technology

The purpose of the present paper is to present research and development within the area of mini- and micro channels in Sweden. A review is made of the historical development of highly compact heat exchangers within the country, starting with plate heat exchangers. The main focus is on the research performed at the Royal Institute of Technology, where mini-channel research has been going on since more than ten years. Single-phase flow as well as two-phase flow is treated, both in single channels and in full-size heat exchangers with multiple parallel channels.

Experimental Investigation on Two-Phase Flow Distribution in Multi-Channel Manifold With Two Radial Inlets

2009 ◽  
Author(s):  
Liping Pang ◽  
Baomin Sun ◽  
Bo Wang
Keyword(s):  
Experimental Investigation ◽  
Water Flow ◽  
Significant Variation ◽  
Two Phase Flow ◽  
Air Flow ◽  
Flow Distribution ◽  
Phase Flow ◽  
Two Phase ◽  
Parallel Channels ◽  
Inlet Conditions

An experimental investigation was conducted to study the two-phase flow distributions in a horizontal cylindrical manifold with two radial inlets and 11 parallel channels. The effects of the different inlet conditions on two-phase flow distribution of parallel channels in the manifold were investigated. The flow rates of air and water in 11 channels were measured under symmetrical and unsymmetrical inlet conditions. Experimental results show that the air and water flow distributions of manifold at channels keep a stable flow ratio when two radial inlet conditions keep symmetrical. Water flow distribution has a significant variation and air flow distribution has a small change when two radial inlet conditions keep unsymmetrical and water superficial velocity increases at right inlet. Water and air flow distribution has a significant variation when two radial inlet conditions keep unsymmetrical and air superficial velocity decreases.

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