CoolProp/dev/fluids/R134a.json

{
  "ALIASES": [
    "R134A"
  ], 
  "ANCILLARIES": {
    "pL": {
      "T_r": 374.21, 
      "Tmax": 374.20999999999935, 
      "Tmin": 169.85, 
      "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.017350580991559728, 
      "n": [
        -7.752261946226358, 
        1.1077288842347188, 
        -3.6878039562081835, 
        11.428865438173393, 
        58.41970100091463, 
        -7.937848917436551
      ], 
      "reducing_value": 4059280.0, 
      "t": [
        0.994, 
        1.193, 
        3.431, 
        11.757, 
        16.373, 
        8.838
      ], 
      "type": "pL", 
      "using_tau_r": true
    }, 
    "pV": {
      "T_r": 374.21, 
      "Tmax": 374.20999999999935, 
      "Tmin": 169.85, 
      "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 0.00920528154990663, 
      "n": [
        0.4331478287291047, 
        -9.090302559074352, 
        2.1476074125217703, 
        -1.557687007603464, 
        -3.5020328972698604, 
        14.958442337201044
      ], 
      "reducing_value": 4059280.0, 
      "t": [
        0.845, 
        0.99, 
        1.14, 
        2.651, 
        4.507, 
        17.235
      ], 
      "type": "pV", 
      "using_tau_r": true
    }, 
    "rhoL": {
      "T_r": 374.21, 
      "Tmax": 374.20999999999935, 
      "Tmin": 169.85, 
      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 4.694601438771184, 
      "n": [
        18.772731940930015, 
        -51.49939472178225, 
        40.793536440596085, 
        -1481.6500471538966, 
        1600.534434298925, 
        -67338.52423732559
      ], 
      "reducing_value": 5017.053, 
      "t": [
        0.673, 
        0.994, 
        1.257, 
        5.783, 
        5.943, 
        19.94
      ], 
      "type": "rhoLnoexp", 
      "using_tau_r": false
    }, 
    "rhoV": {
      "T_r": 374.21, 
      "Tmax": 374.20999999999935, 
      "Tmin": 169.85, 
      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 2.5443795326392737, 
      "n": [
        -5.147386240766544, 
        5.34618043286371, 
        -7.611015272838434, 
        -28.85436432788653, 
        -9.079306067130748, 
        64.0
      ], 
      "reducing_value": 5017.053, 
      "t": [
        0.476, 
        0.966, 
        1.321, 
        8.491, 
        13.463, 
        13.463
      ], 
      "type": "rhoV", 
      "using_tau_r": true
    }, 
    "surface_tension": {
      "BibTeX": "Mulero-JPCRD-2012", 
      "Tc": 374.21, 
      "a": [
        0.05801
      ], 
      "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", 
      "n": [
        1.241
      ]
    }
  }, 
  "CAS": "811-97-2", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "A1", 
    "FH": 1, 
    "GWP100": 1430.0, 
    "GWP20": 3830.0, 
    "GWP500": 435.0, 
    "HH": 1, 
    "Name": "R134a", 
    "ODP": -1.0, 
    "PH": 0
  }, 
  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "TillnerRoth-JPCRD-1994", 
      "T_max": 455, 
      "T_max_units": "K", 
      "Ttriple": 169.85, 
      "Ttriple_units": "K", 
      "accentric": 0.32684, 
      "accentric_units": "-", 
      "alpha0": [
        {
          "a1": -1.019535, 
          "a2": 9.047135, 
          "type": "IdealGasHelmholtzLead"
        }, 
        {
          "a": -1.629789, 
          "type": "IdealGasHelmholtzLogTau"
        }, 
        {
          "n": [
            -9.723916, 
            -3.92717
          ], 
          "t": [
            -0.5, 
            -0.75
          ], 
          "type": "IdealGasHelmholtzPower"
        }
      ], 
      "alphar": [
        {
          "d": [
            2, 
            1, 
            3, 
            6, 
            6, 
            1, 
            1, 
            2, 
            5, 
            2, 
            2, 
            4, 
            1, 
            4, 
            1, 
            2, 
            4, 
            1, 
            5, 
            3, 
            10
          ], 
          "l": [
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            0, 
            1, 
            1, 
            1, 
            2, 
            2, 
            2, 
            2, 
            2, 
            2, 
            3, 
            3, 
            3, 
            4
          ], 
          "n": [
            0.05586817, 
            0.498223, 
            0.02458698, 
            0.0008570145, 
            0.0004788584, 
            -1.800808, 
            0.2671641, 
            -0.04781652, 
            0.01423987, 
            0.3324062, 
            -0.007485907, 
            0.0001017263, 
            -0.5184567, 
            -0.08692288, 
            0.2057144, 
            -0.005000457, 
            0.0004603262, 
            -0.003497836, 
            0.006995038, 
            -0.01452184, 
            -0.0001285458
          ], 
          "t": [
            -0.5, 
            0, 
            0, 
            0, 
            1.5, 
            1.5, 
            2, 
            2, 
            1, 
            3, 
            5, 
            1, 
            5, 
            5, 
            6, 
            10, 
            10, 
            10, 
            18, 
            22, 
            50
          ], 
          "type": "ResidualHelmholtzPower"
        }
      ], 
      "gas_constant": 8.314471, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.102032, 
      "molar_mass_units": "kg/mol", 
      "p_max": 70000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": false, 
      "ptriple": 389.5637886, 
      "ptriple_units": "Pa", 
      "reducing_state": {
        "T": 374.18, 
        "T_units": "K", 
        "p": 4059280, 
        "p_units": "Pa", 
        "rhomolar": 4978.830171000001, 
        "rhomolar_units": "mol/m^3"
      }, 
      "rhoLtriple": 15594.17453546275, 
      "rhoLtriple_units": "mol/m^3", 
      "rhoVtriple": 0.2761416512149696, 
      "rhoVtriple_units": "mol/m^3"
    }
  ], 
  "NAME": "R134a"
}