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

[+] Author Affiliations
Haiyang Sun, Caifu Qian

Beijing University of Chemical Technology, Beijing, China

Paper No. PVP2013-98126, pp. V01BT01A025; 5 pages
  • ASME 2013 Pressure Vessels and Piping Conference
  • Volume 1B: Codes and Standards
  • Paris, France, July 14–18, 2013
  • Conference Sponsors: Pressure Vessels and Piping Division, Nondestructive Evaluation Engineering Division
  • ISBN: 978-0-7918-5564-5
  • Copyright © 2013 by ASME


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.

Copyright © 2013 by ASME



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