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Turbine Exhaust Temperature

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  1. Jan 10, 2016 #1
    Could turbine exhaust temperature be negative Celcius?

    My calculations yield 176 K. Is that possible?

    Inlet conditions are 7.8 MPa and 625 K. Exit pressure is 1 atm. (100 kPa.)
     
  2. jcsd
  3. Jan 10, 2016 #2

    SteamKing

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    Instead of making us guess, why don't you post your calculations?
     
  4. Jan 10, 2016 #3
    It's a bit complicated.
     
    Last edited: Jan 10, 2016
  5. Jan 11, 2016 #4

    CWatters

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    Is this a steam turbine?

    PS: Check out the forum rules for the homework sections.
     
  6. Jan 11, 2016 #5

    SteamKing

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    CWatters: The OP posted his calculations before this thread was moved to the HW forum, then the calculations disappeared from the thread. As far as I can recall, the working fluid was a van der Waals gas rather than an ideal gas, with certain values given for the constants in the vdW equation of state.
     
  7. Jan 11, 2016 #6
    Albertov123,

    I think you owe it to SteamKing and CWatters to paste into this thread the results of our private communications on this problem. Now you know why I don't like helping someone in private discussions. Please don't put me in that position again.

    Chet
     
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