Thermodynamics piston stetch question

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SUMMARY

The discussion focuses on a thermodynamics problem involving a piston system, specifically addressing the calculation of pressure and temperature at a final specific volume. The participant has determined a dryness fraction of 0.5244 and a specific volume of 0.0502 m³/kg, alongside a specific internal energy of 1800 kJ/kg. The inquiry centers on finding the temperature corresponding to a saturated vapor state at the given specific volume, indicating a need for clarity on the relationship between these thermodynamic properties.

PREREQUISITES
  • Understanding of thermodynamic properties such as specific volume and dryness fraction
  • Familiarity with the ideal gas law and phase diagrams
  • Knowledge of specific internal energy calculations
  • Proficiency in using steam tables for saturation properties
NEXT STEPS
  • Research the use of steam tables to find saturation temperature at specific volumes
  • Learn about the relationship between pressure and specific volume in thermodynamic systems
  • Explore the concept of phase transitions in thermodynamics
  • Study the implications of dryness fraction on thermodynamic calculations
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Students and professionals in mechanical engineering, particularly those studying thermodynamics and working with piston systems or steam cycles.

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Homework Statement



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Homework Equations



specific volume = volume / mass
dryness fraction = mass of vapor / total mass
pressure

The Attempt at a Solution


part(a) is totally not relevant to part(b) and I finished part (b)i
dryness fraction = 0.5244
specific volume = 0.0502 m^3/kg
specific internal energy = 1800 KJ/kg

Then, I want to use the relationship between the volume of original and final state to final out the pressure. However, I can't use the above information to calculate the answer.
Therefore, I want to ask about the question about (b)ii - v.
Thanks.
 
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What temperature would be consistent with only having saturated vapor at the final specific volume?
 

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