Lec05 - ME 200: Thermodynamics I Lecture 5:...

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ME 200: Thermodynamics I Lecture 5: Expansion/Compression Work Professor Hukam Mongia Office Hours: MWF 2:30 to 3:30 pm in ME 83 (Other times email for appointment) Email: hmongia@purdue.edu Phone: 765-494-5640 Course Website: https://engineering.purdue.edu/ME200 Course Secretaries: Diana Akers (ME 84) and Marilyn Morrison (ME 100) 2.2.3-2.2.8 SP5; 2.33, 2.37 8/25/2009 1
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8/25/2009 2 I heard that two clarifications are being sought repeatedly regarding Special Problem 3: - What is specific gravity? - What is the value for density of air? The density of air at STP is ~1.2 kg/m3 Specific gravity = Density/density of water (1000 kg/m3)
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8/25/2009 3 Work and Kinetic Energy Potential Energy Gravitational potential energy Conservation of Energy in Mechanics Sign Convention and Notation in Thermodynamics W > 0 : work done by the system W < 0 : work done on the system Sign convention is the opposite of that in mechanics Lecture 4 Covered
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8/25/2009 4 In Lecture 5, we cover:
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Lec05 - ME 200: Thermodynamics I Lecture 5:...

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