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#326 - 05/01/01 11:43 PM Thermal Stress Range
Pablo_GT Offline
Member

Registered: 05/03/00
Posts: 4
Loc: Melbourne, Victoria, Australia
Having a system with maximum design temperatures (hot) and minimum design temperature (cold, below zero), what is the best way to access the themal stress range?

Some people's approach is:
(1) W+T1+P1 (OPE)
(2) W+T2+P1 (OPE)
(3) DS1-DS2 (EXP)
T1: hot temperature
T2: cold temperature

Others would change the ambient temperature to match the minimum design temperature and do the following cases:

(1) W+T1+P1 (OPE)
(2) W+P1 (SUS)
(3) DS1-DS2 (EXP)
T1: hot temperature

What is the best approach?
_________________________
Pablo Guerra

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#327 - 05/02/01 06:10 AM Re: Thermal Stress Range
Dave Arthur Offline
Member

Registered: 01/20/00
Posts: 2
Loc: Aberdeen, Scotland
I think you will get an insight into the wrong and right approach by reading COADE Mechanical Engineering News - May 1993 pages 32 to 34. This can be accessed via Support / Newsletters options on this website.

Happy Reading.
_________________________
Dave Arthur
Lead Stress Engineer
Wood Group Engineering (North Sea) Ltd.
Tel: +44 (0)1224 851226
e-mail: dave.arthur@woodgroup.com

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#328 - 05/02/01 04:57 PM Re: Thermal Stress Range
Pablo_GT Offline
Member

Registered: 05/03/00
Posts: 4
Loc: Melbourne, Victoria, Australia
Thank you Dave.

Spot on
_________________________
Pablo Guerra

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