The tightness of bolted flanged joints subjected to elevated temperature is not properly addressed by flange design codes. The development of an analytical method based on the flexibility of the different joint components and their elastic interaction could serve as a powerful tool for elevated temperature flange designs. This paper addresses the effect of the internal fluid operating temperature on the variation of the bolt load and consequently on the gasket stress in bolted joints. The theoretical analysis used to predict the gasket load variation as a result of unequal radial and axial thermal expansion of the joint elements is outlined. It details the analytical basis of the elastic interaction model and the thermally induced deflections that are used to evaluate the load changes. Two flange joint type configurations are treated: a joint with identical pair of flanges and a joint with a cover plate. The analytical models are validated and verified by comparison to finite element results.
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e-mail: hakim.bouzid@etsmtl.ca
e-mail: anechache@mec.etsmtl.ca
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November 2005
Research Papers
An Analytical Solution for Evaluating Gasket Stress Change in Bolted Flange Connections Subjected to High Temperature Loading
Abdel-Hakim Bouzid,
e-mail: hakim.bouzid@etsmtl.ca
Abdel-Hakim Bouzid
Associate Professor
514-396-8563
514-396-8530
Ecole de Technologie Superieure
, Mechanical Engineering Department, 1100, Rue Notre-Dame Ouest, Montreal (Quebec) H3C 1K3, Canada
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Akli Nechache
e-mail: anechache@mec.etsmtl.ca
Akli Nechache
Graduate Student
Ecole de Technologie Superieure
, Mechanical Engineering Department, 1100, Rue Notre-Dame Ouest, Montreal (Quebec) H3C 1K3, Canada
Search for other works by this author on:
Abdel-Hakim Bouzid
Associate Professor
514-396-8563
514-396-8530
Ecole de Technologie Superieure
, Mechanical Engineering Department, 1100, Rue Notre-Dame Ouest, Montreal (Quebec) H3C 1K3, Canadae-mail: hakim.bouzid@etsmtl.ca
Akli Nechache
Graduate Student
Ecole de Technologie Superieure
, Mechanical Engineering Department, 1100, Rue Notre-Dame Ouest, Montreal (Quebec) H3C 1K3, Canadae-mail: anechache@mec.etsmtl.ca
J. Pressure Vessel Technol. Nov 2005, 127(4): 414-422 (9 pages)
Published Online: May 29, 2005
Article history
Received:
July 6, 2004
Revised:
May 29, 2005
Citation
Bouzid, A., and Nechache, A. (May 29, 2005). "An Analytical Solution for Evaluating Gasket Stress Change in Bolted Flange Connections Subjected to High Temperature Loading." ASME. J. Pressure Vessel Technol. November 2005; 127(4): 414–422. https://doi.org/10.1115/1.2042480
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