Figuring Out Heat Transfer & Entropy of Steam at 10 MPa

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SUMMARY

The discussion focuses on calculating the entropy of steam and the heat transfer per unit mass during the phase change of water at a constant pressure of 10 MPa. Participants confirm that utilizing steam tables is essential for determining the entropy of the system (sfg) and the heat transfer involved in the vaporization process. The initial temperature is not specified, allowing for assumptions based on standard steam table values. The consensus emphasizes the importance of referencing steam tables for accurate calculations.

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  • Understanding of steam tables and their application in thermodynamics
  • Knowledge of phase change processes, specifically vaporization
  • Familiarity with the concept of entropy in thermodynamic systems
  • Basic principles of heat transfer at constant pressure
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  • Research the use of steam tables for calculating entropy (sfg) at various pressures
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  • Learn about the calculations involved in determining heat transfer per unit mass in thermodynamic processes
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Nick Goodson
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Hello everybody, would somebody please put me on the right track to answering this question?

'Consider water undergoes a heat transfer
at constant pressure of 10 MPa and
changes from liquid to steam. Find the
entropy of the system (sfg) as well as the
heat transfer per unit mass in this
process?'

Is this just looking at steam tables and working per unit mass?

I'd appreciate any help
Thanks
 
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The problem does not specify initial temperature.
If you are free to assume, you could use steam tables per unit mass for the vaporization process only.
 
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Lnewqban said:
The problem does not specify initial temperature.
If you are free to assume, you could use steam tables per unit mass for the vaporization process only.
Thanks Lnewqban
 
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