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Unread 11-01-2006, 00:01
sanddrag sanddrag is offline
On to my 16th year in FRC
FRC #0696 (Circuit Breakers)
Team Role: Teacher
 
Join Date: Jul 2002
Rookie Year: 2002
Location: Glendale, CA
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SRK Equation Vs. Ideal Gas Equation

I need someone who is familiar with the SRK equation to check a number for me. I need to know the pressure at 273K for a gas with these properties: Critical temperature = 425.2K, Critical Pressure = 3797 kPa and the Pitzer acentric factor= 0.1931 and the molar specific volume = 1 m^3/kmol

I'm developing a spreadsheet and graph and I need to make sure it is right. I got about 732.7 kPa which to me doesn't seem quite right. How close or far off should the result be to the ideal gas equation result?

Thanks.

EDIT: I have attached a graph comparing my two values for the gas with the above mentioned characteristics. Does it seem right?
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Teacher/Engineer/Machinist - Team 696 Circuit Breakers, 2011 - Present
Mentor/Engineer/Machinist, Team 968 RAWC, 2007-2010
Technical Mentor, Team 696 Circuit Breakers, 2005-2007
Student Mechanical Leader and Driver, Team 696 Circuit Breakers, 2002-2004

Last edited by sanddrag : 11-01-2006 at 00:27.
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