MECH 213 - 9.14.07

MECH 213 - 9.14.07 - o c v (δh δT p Potential Unit...

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MECH 213 – September 14, 2007 FOR TEST KNOW UP TO SPECIFIC HEAT IN CHAPTER 4 STUDY AND MEMORIZE ALL EQUATIONS Physical def. o c v = amount of heat to raise unit mass 1 degree at constant v o c v ≡ (δu/ δT) vol Potential Unit masses: o 1 kg c v = [kJ/kg-°C] 1 kgmol c v -bar = [kJ/kgmol-°C] per unit mol 1 lbm c v = [Btu/lbm-°F] 1 lbmol c v -bar = [Btu/lbmol-°C] per unit mol o c v = c v -bar/m Physical def. o c v = amount of heat to raise unit mass 1 degree at constant p
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Unformatted text preview: o c v ≡ (δh/ δT) p Potential Unit masses: o 1 kg c p = [kJ/kg-°C] 1 kgmol c p-bar = [kJ/kgmol-°C] per unit mol 1 lbm c p = [Btu/lbm-°F] 1 lbmol c p-bar = [Btu/lbmol-°C] per unit mol o c p = c p-bar/m specific heat does not change with temperature for noble gases can be curve fitted cp = a + bT + cT^2 + dT^3 deltahbar = cpbar dt delta hbar = int(cpbar, t, t1, t2)...
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