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Tagged with cryogenics hydrogen
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Could in situ (in-rocket) evaporative cooling/refrigeration be used for methane or hydrogen cryogenic propellants?
@Uwe's excellent answer to the question Why would sub-cooled LOX tanks need to “topped-off” until the last minute or so? explains that the LOX is sub-cooled in situ within the rocket's tank using ...
- 149k
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Has solidifying liquid propellant been considered for space exploration?
Liquid hydrogen is $0.071 g/cm^3$
Solid hydrogen is $0.086 g/cm^3$
Since denser fuel is desirable, has solid hydrogen been considered for use in space exploration?
I suspect the very low ...
- 12.7k
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Are cryo tanks heavier than normal tanks (on a per surface area basis)?
From my related question, it turns out cryo tanks are not double-walled for insulation purposes. So now I will continue along a similar line and ask, aren't cryo tanks heavier than normal tanks on a ...
- 4,596
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A cryo tank within another cryo tank...is it a sound engineering concept?
Here's the idea: A large spherical LH2 tank is placed inside a spherical LOX tank.
The reason I thought of this is so the inner tank doesn't need to be insulated. It doesn't need to be a double-...
- 4,596