Lecture 22 PES Su 2011 annotated

Lecture 22 PES Su 2011 annotated - ME 200: Thermodynamics I...

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ME 200: Thermodynamics I Lecture 22: Thermodynamic Cycles and Second Law Prof. Sojka Summer 2011
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In this Lecture We will: Review heat engines , refrigerators , and heat pumps . Introduce 2 nd Law corollaries 7 July 2011 ME 200
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Heat Engines Recall that Heat engines are work producing devices. The First Law tells us that some net heat transfer must be supplied to a heat engine in order to produce that work. We know from experience that heat spontaneously travels from a higher temperature region to a lower temperature one. 7 July 2011 3 ME 200
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Heat Engines We have seen that a generic heat engine looks like this. Features include: receiving heat from a high T source. producing mechanical work. rejecting heat to a low T sink. operating on a cycle. 7 July 2011 4 ME 200
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Heat Engines 7 July 2011 5 ME 200 Steam Power Plant
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Heat Engines Application of the First Law to our (cyclic) heat engine gives This is usually written in terms of the net work. in out W Q - = net 7 July 2011 6 ME 200
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This note was uploaded on 09/26/2011 for the course ME 200 taught by Professor Gal during the Summer '08 term at Purdue University-West Lafayette.

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Lecture 22 PES Su 2011 annotated - ME 200: Thermodynamics I...

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