A Better Way to Support Horizontal Pressure Vessels Subject to Thermal Loading PUBLIC ACCESS

[+] Author Affiliations
Alwyn S. Tooth

University of Strathclyde, Glasgow, UK

John S. T. Cheung, Heong W. Ng, Lin S. Ong

Nanyang Technological University, Singapore

Chithranjan Nadarajah

Exxon Engineering Asia Pacific, Singapore

Paper No. 97-AA-057, pp. V001T13A033; 7 pages
  • ASME 1997 Turbo Asia Conference
  • ASME 1997 Turbo Asia Conference
  • Singapore, September 30–October 2, 1997
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7867-5
  • Copyright © 1997 by ASME


When storing liquids at high temperature, in horizontal vessels, the current design methods aim to minimise the thermal stresses by introducing a sliding surface at the base of one of the twin saddle supports. However, regular site maintenance is required to ensure that adequate sliding is achieved This may be difficult and costly to carry out.

The aim of the present work, therefore, is to dispense with the sliding support and to provide saddle designs which although fixed to the platform, or foundation, do not result in the storage/pressure vessel being over-stressed when thermal loading occurs. The paper provides general recommendations for the most appropriate saddle geometries, and details the way in which ‘Design by Analysis’ and ‘Fatigue Life Assessments’ may be carried out using the stresses which arise from these designs.

Copyright © 1997 by ASME
This article is only available in the PDF format.



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