CoolProp/dev/fluids/n-Pentane.json

{
  "ALIASES": [
    "nPentane", 
    "Pentane", 
    "PENTANE", 
    "N-PENTANE", 
    "R601"
  ], 
  "ANCILLARIES": {
    "pL": {
      "T_r": 469.7, 
      "Tmax": 469.69999999999914, 
      "Tmin": 143.47, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.03728114510677116, 
      "n": [
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        0.6562557112100337, 
        -2.28440361956112, 
        -1.308924059672944, 
        -1.1435668798949066
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      "reducing_value": 3370000.0, 
      "t": [
        0.642, 
        0.976, 
        1.848, 
        3.17, 
        3.871, 
        7.841
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 469.7, 
      "Tmax": 469.69999999999914, 
      "Tmin": 143.47, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.029330284037554222, 
      "n": [
        0.0002920351277984843, 
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        465.7564333009324, 
        -3.372619624545633, 
        -3.4063439897011767, 
        -1.5154480392091865
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      "reducing_value": 3370000.0, 
      "t": [
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        1.119, 
        1.123, 
        1.477, 
        3.969, 
        12.951
      ], 
      "type": "pV", 
      "using_tau_r": true
    }, 
    "rhoL": {
      "T_r": 469.7, 
      "Tmax": 469.69999999999914, 
      "Tmin": 143.47, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 3.114298806470317, 
      "n": [
        2.3841375525242356, 
        0.19925431521697065, 
        5225.0215429825175, 
        38711.30119718553, 
        -196165.0631164374, 
        157517.76191925188
      ], 
      "reducing_value": 3215.5775884221466, 
      "t": [
        0.389, 
        1.069, 
        18.567, 
        18.567, 
        19.512, 
        19.95
      ], 
      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 469.7, 
      "Tmax": 469.69999999999914, 
      "Tmin": 143.47, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 3.2828728664463958, 
      "n": [
        -4.317782477894743, 
        -2.2050235507345954, 
        -2.7959424348848843, 
        -5.048155874145048, 
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      "reducing_value": 3215.5775884221466, 
      "t": [
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        4.101, 
        9.312, 
        18.36, 
        19.107
      ], 
      "type": "rhoV", 
      "using_tau_r": true
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 469.7, 
      "a": [
        0.08015, 
        0.004384, 
        -0.03437
      ], 
      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.408, 
        1.031, 
        1.818
      ]
    }
  }, 
  "CAS": "109-66-0", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "UNKNOWN", 
    "FH": 4, 
    "GWP100": -1.0, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
    "HH": 2, 
    "Name": "n-Pentane", 
    "ODP": -1.0, 
    "PH": 0
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "Jaeschke-IJT-1995", 
      "BibTeX_EOS": "Span-IJT-2003B", 
      "T_max": 573, 
      "T_max_units": "K", 
      "Ttriple": 143.47, 
      "Ttriple_units": "K", 
      "accentric": 0.251, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": -1.548185641277708, 
          "a2": 0, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": -1, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "T0": 309.213623675, 
          "Tc": 469.7, 
          "c": [
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            8.95043, 
            178.67, 
            21.836, 
            840.538
          ], 
          "type": "IdealGasHelmholtzCP0AlyLee"
        }, 
        {
          "T0": 309.213623675, 
          "Tc": 469.7, 
          "c": [
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            1774.25, 
            0, 
            0
          ], 
          "type": "IdealGasHelmholtzCP0AlyLee"
        }
      ], 
      "alphar": [
        {
          "d": [
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            1, 
            1, 
            2, 
            3, 
            7, 
            2, 
            5, 
            1, 
            4, 
            3, 
            4
          ], 
          "l": [
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            1, 
            1, 
            2, 
            2, 
            3, 
            3
          ], 
          "n": [
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            0.99516887, 
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            0.1133446, 
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            -0.040876423, 
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            -0.032073223, 
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          "t": [
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            0.25, 
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            1.75, 
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          ], 
          "type": "ResidualHelmholtzPower"
        }
      ], 
      "gas_constant": 8.31451, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.07214878, 
      "molar_mass_units": "kg/mol", 
      "p_max": 69000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false, 
      "ptriple": 0.07632218395, 
      "ptriple_units": "Pa", 
      "reducing_state": {
        "T": 469.7, 
        "T_units": "K", 
        "p": 3370000, 
        "p_units": "Pa", 
        "rhomolar": 3215.577588422147, 
        "rhomolar_units": "mol/m^3"
      }, 
      "rhoLtriple": 10566.39007740751, 
      "rhoLtriple_units": "mol/m^3", 
      "rhoVtriple": 6.399383717983962e-05, 
      "rhoVtriple_units": "mol/m^3"
    }
  ], 
  "NAME": "n-Pentane"
}