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Compressor exit Temperature.

  1. Jan 27, 2009 #1
    Product Compression. I am currently doing some work on compression. I know the flowrate in and the pressure and temperature in, and I know the pressure (and flowrate) out. Can I determine the temperature out?

    I have tried using P1V1/T1=P2V2/T2, but as V is a function of T (using values from Perry's) I have ended up in iterative cycle in which the exit T is oscillating increasingly wildly with time.

    What is the best approach to these calculations?

    Thanks in advance.
     
  2. jcsd
  3. Jan 28, 2009 #2

    FredGarvin

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    Science Advisor

    The "best" approach definitely depends on the type of compressor and the process being undertaken.

    If you want a place to start, you can look at the T-dS equations for isentropic flow with constant specific heat to come up with:

    [tex]\frac{p_1}{p_2}=\left[\frac{T_1}{T_2}\right]^{\frac{\gamma}{\gamma-1}}[/tex]
     
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