Lecture06_Total Energy and heat transfer-handout

Lecture06_Total - ME200 Thermodynamics I Lecture 6 Total Energy and heat transfer Professor Euiwon Bae Lecture Hours MWF 1:30-2:20 in ME1130 Office

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1 Professor: Euiwon Bae Lecture Hours : MWF 1:30-2:20 in ME1130 Office Hours : MWF 2:30-3:30 in ME15 Email : [email protected] Phone : 765-494-6849 Course website : http://engineering.purdue.edu/ME200 ME200 : Thermodynamics I Lecture 6 : Total Energy and heat transfer
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2 Announcement SP3, SP4, SP5 Due Friday 3:30 PM in ME1091 Graded homework will be returned next Wed No class on Monday
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3 Outline Total Energy Internal Energy Heat transfer
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4 Total Energy - Energy is transformed from one form to another form - i.e. compressed spring - i.e. recharged battery - i.e. gas or liquid paddled by wheel - Nonkinetic nonpotential energy storage -> internal energy + x F Ws R W
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5 Total Energy Three macroscopic energy components - Potential E (PE): vertical position related energy - Kinetic E (KE): motion related energy - Internal E (U): all other changes (i.e. thermal) = -Units of energy (J, BTU) - - Starts from a reference point (relative) - Difference rather than absolute value is important
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6 Internal Energy Look at microscopic view of energy
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This note was uploaded on 12/11/2011 for the course ME 200 taught by Professor Gal during the Fall '08 term at Purdue University-West Lafayette.

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Lecture06_Total - ME200 Thermodynamics I Lecture 6 Total Energy and heat transfer Professor Euiwon Bae Lecture Hours MWF 1:30-2:20 in ME1130 Office

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