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Dynamic Stability and Natural Frequency of Composite Corrugated Bellow Expansion Joint

[+] Author Affiliations
SujanaRao Nakkanti

Sai Spurthi Institute of Technology, Hyderabad, AP, India

Radhakrishna Madabhushi

Indian Institute of Chemical Technology, Hyderabad, AP, India

MuraliKrishnaPrasad Adusumilli

Osmania University, Hyderabad, AP, India

Paper No. IMECE2013-64787, pp. V009T10A022; 6 pages
  • ASME 2013 International Mechanical Engineering Congress and Exposition
  • Volume 9: Mechanics of Solids, Structures and Fluids
  • San Diego, California, USA, November 15–21, 2013
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5638-3
  • Copyright © 2013 by ASME


The paper deals with torsional stiffness and natural frequency of composite corrugated bellows type of expansion joint. In this paper simplified formulae are developed considering thin walled pipe model. Integration method is used to determine the natural frequency of bellows. The EJMA {1} method of calculating the torsional frequency is modified using two different equivalent radii. The results obtained by the modified method are compared with the finite element method and found to be in good agreement.

Copyright © 2013 by ASME



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