equationcompendium

# equationcompendium - COMPENDIUM OF EQUATIONS Unified...

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COMPENDIUM OF EQUATIONS Unified Engineering Thermodynamics Note: It is with some reservation that I supply this compendium of equations. One of the common pitfalls for engineering students is that they solve problems through pattern matching rather than through applying the correct equation based upon a foundation of conceptual understanding. This type of training does not serve the students well when they are asked to perform higher-level cognitive tasks such as analysis, synthesis, and evaluation. Thus, while you are welcome to use this list as a guide and a study aid, I expect you to be able to derive each of these equations from their most general forms (e.g. work, the First Law, etc.). Do not settle for a shallow understanding of this material. I. Equation of State: pv = RT or p = ρ RT for a thermally perfect gas II. Expressions for Work: A. Work for a simple compressible substance V 2 W = p ext dV V 1 B. Work for a simple compressible substance undergoing a quasi-static process V 2 W = pdV V 1 C. Work for an isothermal, quasi-static process of a simple compressible substance W = mRT ln v 2 = mRT ln p 1 v 1 p 2 D. Work for an isobaric quasi-static process of a simple compressible substance W = p(V 2 -V 1 ) E. Work for a quasi-static adiabatic process W = - (U 2 -U 1 ) F. Work for quasi-static adiabatic process of an ideal gas W = -mc v (T 2 -T 1 ) - 1 -

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III. Forms of the First Law of Thermodynamics
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equationcompendium - COMPENDIUM OF EQUATIONS Unified...

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