Strange Propep Result

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James A. Bowery - 28 Sep 2009 21:35 GMT

In Propep, it seems that whenever I inject a lot of water into the
combustion and let the resulting products expand to near vacuum, the
end temperature is ridiculously low.

Is this a bug in Propep?

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Joe Pfeiffer - 28 Sep 2009 22:12 GMT

> In Propep, it seems that whenever I inject a lot of water into the
> combustion and let the resulting products expand to near vacuum, the
> end temperature is ridiculously low.
>
> Is this a bug in Propep?

I'm not familiar with Propep, but when you say "expand to near vacuum"
it sounds like a ridiculously low temperature is what you should
expect. pV=nRT.

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Model Forum / General / Rockets / September 2009

Strange Propep Result