September 2004

Heat Transfer/Piping

Calculating temperature profiles of critical pipe supports

This method gives more accurate nozzle loads for strain-sensitive equipment

Saha, S., Soni, R. K., Reliance Refinery

Dummy legs, commonly called ?trunnions,? Fig.1, are widely used as pipe supports. Normally, while carrying out stress analysis, these dummy legs are modeled as pipe elements at ambient temperature. This is common practice and adequate for most cases. However, for some critical cases, this requires a review.  Fig. 1   Trunnions are widely used as pipe supports. Actually, there is a temperature distribution in the trunnion with the junction temperature as the header temperature whic

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