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Thermodynamics Mech3001 - Week 7 - Problem 1 (7.30)
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The radiator of a steam heating system has a volume of 20 L and is initially filled with
superheated steam at 200 kPa and 150°C. At the moment, both the inlet and exit
valves are closed, and steam is allowed to cool until the temperature drops to 40°C by
transferring heat to the room. The entropy change of the steam during this process is
to be determined.
Answer: -0.132 kJ/K
superheated steam at 200 kPa and 150°C. At the moment, both the inlet and exit
valves are closed, and steam is allowed to cool until the temperature drops to 40°C by
transferring heat to the room. The entropy change of the steam during this process is
to be determined.
Answer: -0.132 kJ/K
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