ME200Overview - ME200 Overview 1 KE KE2 KE1 m(V22 V12 ) 2...

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ME200 Overview 2 1 22 2 1 2 1 21 2 1 2 1 , () 1 2 V Quasi Equilibrium quasi static V cycle H C HC PowerCycle E E Q W for aclosed system dE Q W for ac KE KE KE m V V PE PE PE mg z z E U PE KE W pdV W Q Q losed system dt Area under thecurv Q e Q          0 2 ) 1 ( mod C H C H Q Q the ndL QQ awofTher ynamics 12/10/2010 1 ME200 Course Overview Prof. Mongia
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Re max ma R ax e x m 1 . . 1 1 1 0( 1 1 2 mod ) PowerCycle f Cycle Heat PumpCycle C cyc C HH revcycle C le cycle C f Cycl H H C C e H is finite is finite Q W W the ndLawofTher yna T QT T T mic T T T T s Q          12/10/2010 2 ME200 Course Overview Prof. Mongia
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int. 2 1 22 21 11 2 1 () , ( ) ( ) C H rev CH rev rev rev rev rev rev b b Q Q QQ dS dS T T T T Q TdS Q TdS area under the curve Q Q However Q Q or TT Q Q SS Q S S Entropy production f T        0( ) j j j or aclos Q dS for steady state dt T ed system 3 12/10/2010 ME200 Course Overview Prof. Mongia
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2 21 1 ( ) ( ) ,0 ( ) 0 () 0 0 0 b b cyc b cycle cyc l le e Q S Q T no irreversibility irreversibility S Entropy production for aclosed system T For acycle L impossib H Q T le S    Clausius inequality 12/10/2010 4 ME200 Course Overview Prof. Mongia
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12/10/2010 ME200 Course Overview Prof. Mongia 5 Open System (Control Volume) : cv ie Volume flow rate Area xVelocity Mass flowrate Specificvolume Specificvolume AV m v dm mm dt At steady state m m    Mass conservation
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This note was uploaded on 01/13/2011 for the course ME 200 taught by Professor Gal during the Fall '08 term at Purdue University-West Lafayette.

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ME200Overview - ME200 Overview 1 KE KE2 KE1 m(V22 V12 ) 2...

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