[AR] Re: SpaceX barge landing mishap
- From: Henry Spencer <hspencer@xxxxxxxxxxxxx>
- To: Arocket List <arocket@xxxxxxxxxxxxx>
- Date: Mon, 18 Jan 2016 12:14:19 -0500 (EST)
On Mon, 18 Jan 2016, Craig Fink wrote:
When a pressurized tank full of kerosene vapor splits open...
It's pressurized with helium...
Helium saturated with kerosene vapor. Not that the vapor pressure of
kerosene is very high, but there's some vapor in there, especially since
there will have been a certain amount of sloshing of residual fuel during
all the maneuvering. (Big-rocket pressurization systems generally try to
encourage pressurant to stratify, reducing the amount of propellant vapor
in it, but the sloshing will probably have largely nullified that.)
Henry
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