Lect19TurbCompME200Div2&5SP2012

Lect19TurbCompME200Div2&5SP2012 - ME 200:...

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ME 200: Thermodynamics I Lecture 19: Turbines and Compressors
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Last Lecture Application of First Law of Thermodynamics » Nozzles – velocity increases; pressure drops » Diffusers – pressure increases; velocity drops » Heat transfer and PE usually negligible for nozzles and diffusers » When the fluid in a nozzle or diffuser is a liquid, PE may be important
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This Lecture Applications of First Law of Thermodynamics » Turbines » Compressors and Pumps
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Turbine A turbine is a steady-flow engineering device used to produce net work output from the fluid, fluid drives rotating blades during the expansion process In a turbine, specific volume increases from inlet to exit as the working fluid expands Work interaction device – desired output is mechanical work Heat transfer usually negligible due to insulation PE changes usually negligible; may need to consider KE changes
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Turbine – Steady Axial Flow Moran and Shapiro, Fundamentals of Engineering Thermodynamics
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This note was uploaded on 02/22/2012 for the course ME 200 taught by Professor Gal during the Spring '08 term at Purdue.

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Lect19TurbCompME200Div2&5SP2012 - ME 200:...

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