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sda1950
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Join Date: Aug 2007
Posts: 44

Atmospheric Heating calculation

08/25/2007 12:29 PM

Hi all,

I have run a CFD program to determine max Q and max temperature of a rocket flying at Mach 3.5. The software gives me P/Pinf and T/Tinf. How do I convert these numbers to pressure and temperature? Obviously they are multipliers, but I don't know how to determine what to multiply. Any help will be greatly appreciated.


Steve
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Pathfinder Tags: Atmoshperic heating Mach
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Jawdat mustafa
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Join Date: Apr 2007
Posts: 9
#1

Re: Atmospheric Heating calculation

08/28/2007 11:27 PM

P inf & Tinf means ambient pressure & temperature .
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sda1950
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Join Date: Aug 2007
Posts: 44
#2
In reply to #1

Re: Atmospheric Heating calculation

09/07/2007 11:57 PM

thanks for the help. I found an interesting web site that explain temp calculation.

http://www.grc.nasa.gov/WWW/BGH/stagtmp.html

Steve
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