Valve Orifice Gas Conditions/Vent Pipe Exit Gas Conditions/Subsonic Velocity Gas Conditions - CAESAR II - Help

CAESAR II Users Guide (2019 Service Pack 1)

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CAESAR II
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CAESAR II Version
11.0 (2019)

Specifies the thermodynamic properties of the gas at three critical points in the relief system.

The entire formulation for the thrust gas properties is based on an ideal gas equation of state. If the pressures and temperatures displayed above for the gas being vented are outside of the range where the ideal gas laws apply, then some alternate source should be sought for the calculation of the thrust loads of the system. In addition, all three of these points should be sufficiently clear of the gas saturation line. When the exit gas conditions become saturated, the magnitude of the thrust load can be reduced significantly. In this case, consult the manufacturer.