Circumferential Stress vs Longitudinal Stress
Circumferential Stress vs Longitudinal Stress
(OP)
For use in Sect VIII UG-27. I have always used the formula for Circumferential Stress (long seams) to determine my MAWP and minimum required thickness for pressure vessels under internal pressure. When would I use the longitudinal stress formula? How do I know if longitudinal stresses are the governing factor? Thank you in advance for any advise!





RE: Circumferential Stress vs Longitudinal Stress
You may use the longnitudual stress formula if your tank or vessel is subject to expansion and you need to consider
buckling, or to allow for a suitable expansion joint.
regards
desertfox
RE: Circumferential Stress vs Longitudinal Stress
RE: Circumferential Stress vs Longitudinal Stress
I reviewed over 3000 designs when I was employed with an AIA and I don't recall a single time where the longitudinal stresses goverend.
EJL
RE: Circumferential Stress vs Longitudinal Stress
jt
RE: Circumferential Stress vs Longitudinal Stress
RE: Circumferential Stress vs Longitudinal Stress