[AR] Re: Falcon 9 flight today
- From: Henry Spencer <henry@xxxxxxxxxxxxxxx>
- To: Arocket List <arocket@xxxxxxxxxxxxx>
- Date: Tue, 8 Oct 2013 19:00:21 -0400 (EDT)
On Tue, 8 Oct 2013 JMKrell@xxxxxxx wrote:
> > The vapor pressure of RP-1 isn't large by Earth standards, but it's
> > still substantial by vacuum standards. The RP-1 won't stay in the
> > tank, although it may leave a bit of residue behind.
>
> Henry, I agree with 99.9% of what you post, but on this I must go with
> my empirical data. Some RP-1 is expelled during the venting of the RP-1
> tank. The rest quickly gels and solidifies within the tank. Frozen
> fluids under high vacuum transfer mainly between hot and cold
> junctions... Most of the RP-1 remains a solid until the vehicle reenters
> the atmosphere.
Is that empirical data published? If so, references please! I have
trouble believing that the solid would be stable in vacuum for any length
of time, unless the thermal situation was very unusual.
Henry Spencer
henry@xxxxxxxxxxxxxxx
(hspencer@xxxxxxxxxxxxx)
(regexpguy@xxxxxxxxx)
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