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  • Gas expansion temperature

    by
    ssk
    Published on 06-04-2013 05:15 AM
    0 Comments Comments
    Quote Originally Posted by ssk View Post
    Hi everybody,
    If there is a gas expansion from 20 bar to atmosphere (1bar), the temperature what we find from isentropic expansion equations is that at the throat of the valve/opening. How to find out the final temperature after it gets discharged to atmosphere? Does the temperature depend on the amount of gas expanded?
    thanks
    ssk
    Quote Originally Posted by carlo.stenali View Post
    that depends from the way you decide to model the nozzle,
    I utilize the isentropic nozzle model
    available in PRODE PROPERTIES , see

    'http://www.egpet.net/vb/entries/82303-PSV-sizing-with-HEM-%28Homogeneous-Equilibrium-Model%29-limits-of-application'

    this model for HEM adopts a mixed (isentropic + adiabatic) solution for outlet temperature,
    according my experience the results are consistent with infield measurements.
    This article was originally published in forum thread: Gas expansion temperature started by ssk View original post

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