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Unformatted text preview: (v,T) specific heat ratio: k or = c p /c v c v and c p for Incompressible Substances: For I.S. u(v,T) u(T) ( ) dT du T c c v v = = So then H(p,T) = u(T) + pv If T and p for the system changes what is the change in u and h, U and H? For many liquid and solids c can be taken as constant so, c v and c p For Ideal Gases Like for solids and liquids for an ideal gas: u = u(T) only so as a consequence for ideal gases c v and c p For ideal gases are then Specific heat functions are available if your model needs more accuracy Using Ideal Gas Tables (M&S) Tables A22 and A23...
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 Spring '08
 Uzgoren

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