Lecture 18 PES Su 2011 annotated

Lecture 18 PES Su 2011 annotated - ME 200: Thermodynamics I...

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Unformatted text preview: ME 200: Thermodynamics I Lecture 18: More 1 st Law Open System Analyses Prof. Sojka Summer 2011 5 July 2011M E 2002 In this Lecture We will perform more 1 st Law open system device analyses 3 Rotating Machinery Rotating machinery: turbines , compressors , and pumps . 3 Turbines Compressors and pumps 3 ME 200 5 July 2011 ME 2004 Rotating Machinery A turbine is a steady- flow device used to produce mechanical work ( W ) from the fluid (flow work). The fluid drives rotating blades while the increases from inlet to exit as the working fluid expands (or the p drops). 4 ME 200 5 July 2011 ME 2005 Turbines 5 ME 200 5 July 2011 ME 2006 Turbines Fluid expanding as it passes the blades imparts a force on the blades, which in turn produces a torque on the shaft causing rotation. 5 July 20116 ME 200 ME 2007 Rotating Machinery A compressor is a steady-flow device that consumes shaft work from rotating blades and in turn compress the fluid. decreases from inlet to exit as the working fluid is compressed and the pressure rises . 7 ME 200 5 July 2011 ME 2008...
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This note was uploaded on 09/26/2011 for the course ME 200 taught by Professor Gal during the Summer '08 term at Purdue University-West Lafayette.

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Lecture 18 PES Su 2011 annotated - ME 200: Thermodynamics I...

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