Thermodynamic systems - Northeastern University
Gas Cp Cv Cv/R Cp-Cv (Cp-Cv)/R V P V1 1 2 V2 Adiabatic process: Q = 0 p =p(V,T) =
Thermodynamics GENERAL
i cp = Cp/m ii cv = Cv/m c The heat capacity of a substance depends on how the substance is heated c At constant volume, as heat is acquired, heat capacity Cv is i dV = 0 ii dq = du iii cv = dq/dT = du/dT iv dq = cvdT + dw: First Law d At constant pressure, as heat is acquired, heat capacity Cp is i cp = dq/dT ii dq = cvdT + pdα
Part II: First Law of Thermodynamics
Cv Cp C v C p Cp-Cv (Jmol-1 K-1) γ Monatomic He 3 138 4 812 12 468 20 794 8 326 1 67 Ne 0 619 1 029 12 468 20 794 8 326 1 67 A 1 67 Hg 1 67 Na 1 67 Diatomic
(MtE-203) Thermodynamics Heat transfer
Specific Heat Capacity at Constant Volume, Cv is: C v =(???? ????????) v Specific Heat Capacity at Constant pressure, Cp is: C p =(???? ????????) p Specific Heat Capacity We can write: dQ = mc p dT for a reversible non-flow process at constant pressure and dQ = mc v dT for a reversible non-flow process at constant volume For a perfect gas the
Review of Thermodynamics
The equations of stellar structure involve derivatives of thermo-dynamic variables such as pressure, temperature, and density To express these derivatives in a useful form, we will need to re-view the basic thermodynamic relations First, let’s de ne the variables: ˆ: the gas density q: the speci c heat content
A Review of Reaction Rates and Thermodynamic and Transport
(Cp,i)vib Cv Cv,i (Cv,i)int (Cv,i)tr Dii Dij D 0 Eb,r Ef,r e ci fi h hi (ah{IT,of J j k K K el Keq,r K I translational component of Cp,i, cal/g-mole-K vibrational component of Cp,i, cal/g-mole-K specific heat at constant volume, (0e)aT v , cal/g-mote-K specific heat at constant volume of species i, (_)v' cal/g-mole-K internal component of Cv,i
PROPERTY TABLES AND CHARTS (SI UNITS)
TABLE A–2 Ideal-gas specific heats of various common gases (a) At 300 K Gas constant, Rc p c v Gas Formula kJ/kg·K kJ/kg·K kJ/kg·K k Air — 0 2870 1 005 0 718 1 400
Only two independent variables = Maxwell and other Relations
Useful Work The work P 0 V, is used to push back the environment The heat transfer could run an engine producing useful work U = Q W = Q Wuseful P 0 V (1) where Q is the heat transported from the surroundings to the system,
Chapter 6 Thermodynamic Properties Of Fluids
Chapter 6 Thermodynamic Properties Of Fluids In this chapter: 1 Develop fundamental property relations for fluids (based on the 1-st & 2nd laws)
PHYSICAL PROPERTIES OF LIQUIDS AND GASES
Elsevier US Job Code:CAPA Chapter:0capaappC 22-12-2006 5:31p m Page:827 Trimsize:8 5in×11in Fonts used:Times & Universal 55 family Margins:Top:3p6 Gutter:4p6 Font Size:9/10pt Text Width:41p6 Depth:65 Lines
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