All Questions
Tagged with cryogenics oxygen
3
questions
6
votes
1
answer
698
views
How cryogenic oxygen was heated up for CM cabin repressurization?
In related question How was temperature and humidity maintained inside the Apollo mission capsules?
the basic concept of conditioning Apollo mission capsules environment is described.
After ...
15
votes
1
answer
2k
views
What is the advantage of using Helium over Nitrogen when used for pressurising LOx?
In this Twitter post of the plumbing line diagram(left half) by LauncherSpace, one can notice that Helium is used for pressurising LOx while Nitrogen is used for pressurising Kerosene.
Why the ...
9
votes
1
answer
210
views
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 ...