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Old Feb 10th 2011, 08:19 PM   #1
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Processes that begin and end at the same state.

Brain teaser!

Considering a process that begins and ends in the same state, what would be the conditions that the net work would be constant for this process? The net heat transfer?
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Old Mar 19th 2011, 01:56 PM   #2
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Well I'd say that the condition for constant Heat Transfer and Work Output would be that the flow must be steady. If the flowrate were changing the the power output would also be changing.

Also, since the process is a cycle, start and ends at the same state, I know that the Net Work = Net Heat Transfer. Don't know if this has anything to do with your puzzle, but just throwing it out there.
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