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Given: In the average American household (2.59 persons per household), each family member takes a 7.5 minute shower every morning.
1. The average flow rate through the shower head is 15L/min
2. Incoming city water at 15C is heated to 55C by an electric heater just prior to entering a on inlet to a T elbow fitting.
3. Cold city water at 15C enters the other inlet in the T elbow fitting.
4. 42C water is routed though the outlet of the T fitting to the shower head.
Reminders: Make sure to list your assumptions and make a schematic of the system first!
Determine the total amount entropy generated. Based on your assumptions, does this value differ from the amount of entropy generated just within the T elbow? Discuss how a different choice of system boundaries would change your answer.
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