All Questions
Tagged with cryogenics falcon-9
5
questions
11
votes
1
answer
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Falcon-9's subcooled LOX is continuously refrigerated in-situ, what about its subcooled RP-1?
@Uwe's answer to Why would sub-cooled LOX tanks need to “topped-off” until the last minute or so? explains how subcooled LOX is kept cold and dense by "in situ refrigeration"; helium is bubbled ...
- 149k
2
votes
1
answer
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How is Cryogenic fuel kept... Cryogenic in rockets [duplicate]
How is cryogenic fuel & oxidizer kept at cryogenic temperatures in rockets? I am mostly interested in the first stage of launch vehicles rather than something like a Centaur that keeps hydrolox ...
- 703
0
votes
1
answer
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Is the "cryogenic helium" system in recent discussions actually LHe for cryopumping?
I am wondering if the "cryogenic helium" system discussed in articles about the 1-Sept-2016 SpaceX Falcon 9 anomaly (see this answer for a good summary to date) is not actually related to the high ...
- 149k
7
votes
1
answer
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If a rocket launch is delayed, what happens to the cryogenics?
On February 8, SpaceX had to scrub a launch due to an Air Force technical problem. What happens to the cryogenic fuels when such a launch is delayed? Are the tanks (LOx for the Falcon 9) drained? Are ...
- 6,784
33
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What are the droplets/particles falling off rockets at launch?
In this picture from the AsiaSat 6 launch by Falcon 9 on 8th September 2014, the part of the rocket between the fairing and the engine appears to be surrounded by dust, water droplets or debris:
And ...
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