Lec20 - ME 200: Thermodynamics I Lecture 20: Heat...

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ME 200: Thermodynamics I Lecture 20: Heat exchangers, throttling devices Sections 4.9, 4.10 Problems: SP20; 4.70, 4.77 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) See Kul Inn (ME 189) about grading Homework Assignments 10/4/2009 Problem answers:4.70 (a) 0.9, (b) -1.12 kW; 4.77 (a) 7.96 kg/min, (b) 8.1 kJ/kg Prof. Lucht's lecture notes modified 1
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Last Lecture Application of First Law of Thermodynamics Turbines specific volume increases; net work output Compressors specific volume decreases; net work input Pumps Heat transfer and PE almost always negligible for turbines and compressors; need to consider KE
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This Lecture Applications of First Law of Thermodynamics Heat Exchangers Mixing Chambers Throttling Valves 10/4/2009 3 Prof. Lucht's lecture notes modified
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Heat Exchangers A heat exchanger is a steady-flow engineering system used to transfer heat from one stream of fluid to another stream of fluid No work device - mechanical or other forms
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This note was uploaded on 05/01/2011 for the course ME 200 taught by Professor Gal during the Spring '08 term at Purdue University-West Lafayette.

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Lec20 - ME 200: Thermodynamics I Lecture 20: Heat...

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