lecture36_mwf_2101_S11

lecture36_mwf_2101_S11 - 1 ε Α> ε Β> ε C 2 ε C>...

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PHYS 2101 Spring 2010 1. Carnot Engines 2. Efficiency 3. Carnot Refrigerators 4. Coefficient of Performance
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PHYS 2101 ANNOUNCEMENTS: Final: 3 – 5 PM, Wednesday May 11 Conflict Final: 3 – 5 PM, Thursday May 12, 108 Nicholson REVIEW SESSION → Friday, May 6 - 6:00 PM - 130 Nicholson Office Hours: Monday, 1 – 4 PM HW16 due Friday night at 9:00 PM Spring 2010
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PHYS 2101 CT1: Engines A, B, and C are all Carnot engines. Engine A operates between thermal reservoirs at 400 K and 500 K. Engine B operates between reservoirs at 600 K and 800 K. Engine C operates between 400 K and 600 K. Rank the engines according to their thermal efficiencies, greatest to least.
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Unformatted text preview: 1 - ε Α > ε Β > ε C 2- ε C > ε Β > ε A 3 - ε Β > ε Α > ε C 4 - ε Α > ε C > ε B 5- ε > ε > ε Spring 2010 PHYS 2101 EX1: An Carnot engine generates a power of 200 W. If it operates between thermal reservoirs of 270 and 300 K, what is the maximum energy as heat that can be extracted from the high temperature reservoir in 10 s? Spring 2010 PHYS 2101 EX2: An Carnot refrigerator runs on a power of 200 W. If it operates between thermal reservoirs of 270 and 300 K, what is the maximum energy as heat that can be extracted from the low temperature reservoir in 10 s? Spring 2010...
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lecture36_mwf_2101_S11 - 1 ε Α> ε Β> ε C 2 ε C>...

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