ME300Lecture09

ME300Lecture09 - Lecture 9 Exergy Analysis Example 9.1...

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Lecture 9: Exergy Analysis Example 9.1 Given: . CV Steam T 1 =400 o C Surroundings 300 K W T p 1 =30 bars T o =300 K p o =1 bar Assumptions: T 2 =120 o C 1 bar » SSSF » Δ KE= Δ PE=0 p 2 =1 bar 9.1 » Adiabatic

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Continue Example 9.1 Find: haft work output per kg of steam » Shaft work output per kg of steam » Maximum possible work output per kg of steam » Irreversibilities of the expansion process » Theoretical work output per kg of steam for isentropic expansion process to final pressure asic eq ations  Basic equations: CV dE dt 2 in v QW m h 2  gz 2 ut v mh 2    gz out in mm m out in  in out 2 use in v Wm h 2  gz 2 oo u t in in v Ts m h 2  gz o out out 9.2 i Q oC V i i Td E 1 t CV o dV p dt CV o dS T dt ot o t T 
Continue Example 9.1 9.3

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Continue Example 9.1 9.4
Continue Example 9.1 9.5

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Continue Example 9.1 9.6
Continue Example 9.1 9.7

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Continue Example 9.1

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This document was uploaded on 04/23/2011.

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ME300Lecture09 - Lecture 9 Exergy Analysis Example 9.1...

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