Experimental investigation of shell-and-tube heat exchanger with a new type of baffles

2011 ◽  
Vol 47 (7) ◽  
pp. 833-839 ◽  
Author(s):  
Yingshuang Wang ◽  
Zhichun Liu ◽  
Suyi Huang ◽  
Wei Liu ◽  
Weiwei Li
Keyword(s):  
Experimental Investigation ◽  
Heat Exchanger ◽  
Tube Heat Exchanger ◽  
New Type ◽  
Shell And Tube

Numerical Study of Flow Induced Vibration of the Tube Bundle in a Lash Baffle Shell-and-Tube Heat Exchanger

2013 ◽  
Author(s):  
Haiyang Sun ◽  
Caifu Qian
Keyword(s):  
Heat Exchanger ◽  
Numerical Study ◽  
Tube Bundle ◽  
Lateral Displacement ◽  
Small Hole ◽  
Flow Induced Vibration ◽  
Tube Heat Exchanger ◽  
New Type ◽  
Shell And Tube ◽  
Jet Characteristics

In this paper, flow induced vibration of the tube bundle in a shell-and-tube heat exchanger with a new type of baffle, namely large-and-small-hole or LASH baffle, is studied numerically and compared with that in a segmental baffle shell-and-tube heat exchanger. It is found that as a parallel flow with jet characteristics between the large holes and tubes conducted by the LASH baffles, the fluid-induced vibration of tube bundle in the LASH baffle heat exchanger can be prevented and the lateral displacement variation is greatly decreased.

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