cold spots on Nickel alloys

[bpick]

I am designing a high temperature pressure vessel (100psi, 1400F). A portion of the vessel is "cooled" through an external cooling jacket. The cooling medium is ambient air. If I have a 30deg F air flow localized at the inlet to the cooling jacket will I induce significant thermal stresses when the vessel is operating at 1050F?

 

[metengr]

bpick;
This can be modeled and calculated using FEM software for pressure vessels. Are you experienced in pressure vessel design using ASME B&PV Code, Section VIII, Div 1?

 

[EdStainless]

You need to model because the answer is YES.
These alloys have high thermal expansions, so be careful.

= = = = = = = = = = = = = = = = = = = =
Plymouth Tube