Log p–h & T–s Diagram

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Refrigerant

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Isotherms (T = const.) Isentropes (s = const.) Isochores (v = const.) Quality lines (x) Labels

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About the model

Properties: Peng–Robinson EOS with ideal-gas heat capacities (polynomial / NIST Shomate). Reference state: h = 200 kJ/kg, s = 1 kJ/kg·K for saturated liquid at 0 °C (ASHRAE). Blend critical parameters are mole-averaged approximations — values are for education, not for design.

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Log p–h / T–s Diagram

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