lecture10

lecture10 - 9/14/2010 1 Property Tables Property Tables ME...

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Unformatted text preview: 9/14/2010 1 Property Tables Property Tables ME 200 Thermodynamics I Purdue University , Dr. Tim Pourpoint – [email protected] Lecture 10 September 14 th , 2010 Last Lecture Last Lecture • Definition of a pure substance, its phase, and associated phase change processes • Importance of property diagrams, especially P ‐ v and T ‐ v diagrams, for thermodynamic analysis • Structure of P ‐ v and T ‐ v diagrams ME 200 ME 200 2 9/14/2010 2 • Enthalpy • Property Tables • Several more examples Today and next lecture Today and next lecture • Objectives – Be able use the property tables better – Linear interpolation ME 200 ME 200 3 • Property tables usually list specific properties such as specific volume, specific internal energy in terms of either pressure or temperature Enthalpy Enthalpy • Other listed specific properties are “enthalpy” and “entropy” • More about “entropy” later in the semester (2nd Law) • Enthalpy is a property defined for simplicity and convenience ME 200 ME 200 4 – Total Enthalpy: H = U + p – Specific Enthalpy: h = u + pv • Enthalpy is commonly used in the analysis of open systems (control volume) 9/14/2010 3 • Thermodynamic tables provide easy way of listing relevant properties and looking them up during analysis • Property information available for compressed liquid Thermodynamic Tables Thermodynamic Tables • Property information available for compressed liquid,...
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This note was uploaded on 09/19/2010 for the course ME 200 taught by Professor Gal during the Spring '08 term at Purdue.

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lecture10 - 9/14/2010 1 Property Tables Property Tables ME...

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