In article ,
Pat Flannery wrote:
The big reason why you might need tank insulation is if the tank holds
LH2, in which case you need to insulate to prevent liquid air from
condensing...

In the case of a carrier aircraft, the airstream should carry away any
liquid air on the tank.

With any luck, assuming it doesn't go somewhere it shouldn't... but the
condensation will still produce a massive heat flux into the LH2 tank, and
it doesn't take much to boil LH2.
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