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elliptical pipe--tube stress

elliptical pipe--tube stress

elliptical pipe--tube stress

(OP)
At this site there is a interesting aproach to use elliptical tube in finned coil exchangers.

http://www.begellhouse.com/journals/4c8f5faa331b09ea,1c21585a4c2de960,42a0fec2292f04fc.html

It seem to gain in eficience.

My concern is how it shall be take the stress at its so shaped tubes.

Will it tend to get round , under the internal pressures ?  

The internal pressure will be up to 25 BAR.


External presure is atmospheric.

 

Pardal

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