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The following process converts low pressure steam to high pressure steam while ensuring the final exit temperature is the same as the inlet temperature: adiabatic
The following process converts low pressure steam to high pressure steam while ensuring the final exit temperature is the same as the inlet temperature:
adiabatic
Steam, flowing at first enters at and bar into a stateoftheart adiabatic compressor, which raises the steam to the desired pressure of bar. However, the steam coming out of the compressor is hotter due to the adiabatic compression. To reduce the steam back down to the desired temperature of it then goes through, at constant pressure, a nonmechanical cooler that transfers heat out to the surroundings at
a Using the steam tables in Appendix AIII of text, determine the:
i Rate of work input to the compressor.
ii Rate of heat transfer to the surroundings from the cooler.
iii Rate of entropy generation for the total process.
b Using Aspen, perform the process flow simulation to derive the same parameters as in part a
Note: Use "IAPWS as the "Properties:Base Method" to approximate real steam properties. Write the answers on paper and upload the final Aspen bkp file on Learn.
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