FinalReview - Outline ENGRD 221 Thermodynamics Final Exam...

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1 ENGRD 221 Thermodynamics Final Exam Review Shi Jin Time: Monday, 12/13/2004, 7:30-9:00pm Location: UP B17 Outline • About the prelim • Important concepts • Physical laws • Important relationships • Useful tools •T ips • Sample problems About the exam • Time: Wed, Dec 15: 9:00-11:30am • Location: OH 255 • Open book + summary sheets • Comprehensive •5 p rob lems Important concepts • Closed vs. Control volume systems • Intensive vs. Extensive properties • Property relations (state principle--Maxwell) • Energy balance—1 st Law
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2 Laws for Thermodynamics • Zeroth Law: A Ù C and B Ù C => A Ù B • First Law – Closed System – Control Volume Sign conventions! Q>0: Heat into W>0: Work done by • Second Law – Closed System – Control Volume • Mass Conservation – Closed System – Control Volume • Force Balance (Newton’s Second Law) –F=m a – For a stationary object Control volume transient analysis • Mass balance • Energy balance – ignore kinetic potential energy effects – assume states at inlet and exits are constant with time • Entropy balance – assume states at inlet and exits are constant with time
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3 Property Relationships • State principle, for intensive properties
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This note was uploaded on 03/15/2010 for the course ENGRD 221 taught by Professor Staff during the Fall '08 term at Cornell University (Engineering School).

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FinalReview - Outline ENGRD 221 Thermodynamics Final Exam...

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