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radial temperature gradient VS flange equivalent moment calculation

radial temperature gradient VS flange equivalent moment calculation

radial temperature gradient VS flange equivalent moment calculation

(OP)
Hi all,

We have a leak in a flange on the tube side of a kettle type heat exchanger (tube side has higher pressure than shell side).  The exchanger is a AKT type (TEMA).  We have often condensate accumulation on the bottom of the channel creating a temperature gradient in the flange.  The bottom of the flange is colder (condensate) than the upper section on the other side of the partition plate (steam).  The leak is caused by this temperature gradient because when we remove condensate, the leak stop.

My question is the following:  Do you know a way to calculate the equivalent moment created by the temperature gradient in the flange?

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