lecture11 - 1 Prof.Naik 2010 M I L Last Lecture Definition...

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Unformatted text preview: 1 Prof.Naik 2010 M I L Last Lecture Definition of enthalpy Prof.Naik 2010 h u P v Property Tables Properties listed for different states of pure substance (SL, SV, CL, and SHV) Useful instead of complicated relationships h u P v 2 This Lecture Property Tables (continued) Prof.Naik 2010 Property Evaluation Determine what is the state of the substance (CL, SL, SLVM SV SHV Prof.Naik 2010 SLVM, SV, SHV) Think about what independent intensive properties are available (recall state postulate) Select appropriate table (if not, need to implement suitable approximation) Make sure that you look up properties with consistent reference states otherwise the analysis will be wrong! 3 Example 1 A 1.8 m 3 rigid tank contains R-134a at 2 bar. One-tenth of the volume is in liquid phase while the rest is in vapor phase Prof.Naik 2010 the volume is in liquid phase while the rest is in vapor phase....
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This note was uploaded on 02/16/2011 for the course ME 200 taught by Professor Gal during the Fall '08 term at Purdue University-West Lafayette.

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lecture11 - 1 Prof.Naik 2010 M I L Last Lecture Definition...

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