Lec33 - ME 200: Thermodynamics I Lecture 33: Isentropic...

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ME 200: Thermodynamics I Lecture 33: Isentropic efficiencies Section 6.12 Problems: SP33; 6.132, 6.139 Professor Hukam Mongia Office Hours: MWF 2:30 to 3:30 pm in ME 83 (Other times email for appointment) Email: [email protected] 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 1
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Section 6.12 Isentropic Efficiencies of Turbines, Nozzles, Compressors, and Pumps The 1 st Law applications to turbines, nozzles (and diffusers), compressors and pumps were covered in Sections 4.7, 4.6 and 4.8, respectively. Refer to Lectures 18 and 19. Here we focus on the insight provided by application of the 2 nd Law. Isentropic Turbine Efficiency: Recall: Control volume formulation, steady-state flow, thermally isolated system (adiabatic flow), and therefore, from the 1 st law of thermodynamics: 2 nd Law:
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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.

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Lec33 - ME 200: Thermodynamics I Lecture 33: Isentropic...

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