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CoolProp/dev/fluids/R245fa.json

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{
"ANCILLARIES": {
"hL": {
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3.6740464371977306,
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9.421187018000631e-05,
-2.0613743077119418e-07,
2.4544704224013317e-10,
-1.2363472658077658e-13
],
"B": [
1,
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],
"Tmax": 426.90999999999997,
"Tmin": 171.05,
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 289.86681189399314,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
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887.8292580865594,
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6.236476343823359e-07,
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3.6682094859111223e-13
],
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],
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"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
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"type": "rational_polynomial"
},
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"description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
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2.151711408878698e-13,
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],
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"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
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"type": "rational_polynomial"
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9.919965005450642e-07,
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1.0480611880763312e-12,
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],
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"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
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"type": "rational_polynomial"
},
"surface_tension": {
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"Tc": 427.16,
"a": [
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0.0103,
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],
"description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
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0.72765
]
}
},
"EOS": [
{
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"STATES": {
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"acentric": 0.3776,
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"alpha0": [
{
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"type": "IdealGasHelmholtzLead"
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{
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{
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10.385,
12.554
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2.364453600524394,
5.735555763648281
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2,
2,
7
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1
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0.18509788,
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0.57971151,
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0.4,
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0.8,
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1.05
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"type": "ResidualHelmholtzPower"
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{
"beta": [
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2.454,
1.256,
21.1
],
"d": [
1,
1,
3,
3
],
"epsilon": [
0.709,
0.939,
0.703,
0.777
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1.011,
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1.079,
7.86
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1.081,
0.651,
0.468,
1.293
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1.8,
4.0,
4.5,
2.0
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"type": "ResidualHelmholtzGaussian"
}
],
"critical_region_splines": {
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"_note": "Coefficients for the critical cubic spline. T = c[0]*rho^3 + c[1]*rho^2 + c[2]*rho + c[3] with rho in mol/m^3 and T in K",
"cL": [
0.0,
0.0,
-1.216781979909817e-06,
427.01471503017217
],
"cV": [
0.0,
0.0,
1.440583268474931e-06,
427.00441773983465
],
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},
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"gas_constant_units": "J/mol/K",
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"molar_mass_units": "kg/mol",
"p_max": 200000000,
"p_max_units": "Pa",
"pseudo_pure": false
},
{
"BibTeX_CP0": "",
"BibTeX_EOS": "Lemmon-JCED-2006",
"STATES": {
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"T": 469.8760000000001,
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},
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"p": 3651000,
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"smolar": 230.91773768390468,
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},
"sat_min_liquid": {
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"p": 0.012514805987099153,
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},
"sat_min_vapor": {
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}
},
"T_max": 440,
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"acentric": 0.3776,
"acentric_units": "-",
"alpha0": [
{
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"a2": 9.87236538,
"type": "IdealGasHelmholtzLead"
},
{
"a": 3,
"type": "IdealGasHelmholtzLogTau"
},
{
"n": [
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10.385,
12.554
],
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0.5197115834815994,
2.364453600524394,
5.735555763648281
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}
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1,
1,
1,
3,
7,
1,
2,
5,
1,
1,
4,
2
],
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0,
0,
0,
0,
0,
1,
1,
1,
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2,
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"n": [
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],
"t": [
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0.25,
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2.375,
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6.5,
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12.5
],
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}
],
"gas_constant": 8.314472,
"gas_constant_units": "J/mol/K",
"molar_mass": 0.13404794,
"molar_mass_units": "kg/mol",
"p_max": 200000000,
"p_max_units": "Pa",
"pseudo_pure": false
}
],
"INFO": {
"2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=61345",
"ALIASES": [
"R245FA"
],
"CAS": "460-73-1",
"CHEMSPIDER_ID": 61345,
"ENVIRONMENTAL": {
"ASHRAE34": "B1",
"FH": 0,
"GWP100": 1030.0,
"GWP20": 3380.0,
"GWP500": 314.0,
"HH": 2,
"Name": "R245fa",
"ODP": -1.0,
"PH": 1
},
"FORMULA": "C_{3}F_{5}H_{3}",
"INCHI_KEY": "MSSNHSVIGIHOJA-UHFFFAOYSA-N",
"INCHI_STRING": "InChI=1S/C3H3F5/c4-2(5)1-3(6,7)8/h2H,1H2",
"NAME": "R245fa",
"REFPROP_NAME": "R245FA",
"SMILES": "C(C(F)F)C(F)(F)F"
},
"STATES": {
"critical": {
"T": 427.01,
"T_units": "K",
"hmolar": 61631.66068732527,
"hmolar_units": "J/mol",
"p": 3651000.0,
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"rhomolar": 3875.0,
"rhomolar_units": "mol/m^3",
"smolar": 230.73169732233038,
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},
"triple_liquid": {
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"hmolar_units": "J/mol",
"p": 13.75743250947722,
"p_units": "Pa",
"rhomolar": 12260.148813937398,
"rhomolar_units": "mol/m^3",
"smolar": 60.519330816874614,
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},
"triple_vapor": {
"T": 171.05,
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"hmolar": 44843.95504652019,
"hmolar_units": "J/mol",
"p": 13.75743250947722,
"p_units": "Pa",
"rhomolar": 0.009673864687995805,
"rhomolar_units": "mol/m^3",
"smolar": 260.0577877739468,
"smolar_units": "J/mol/K"
}
},
"TRANSPORT": {
"conductivity": {
"BibTeX": "Huber-IECR-2003",
"f_int": {
"T_reducing": 1.0,
"T_reducing_units": "K",
"a": [
0.00164999,
-3.28868e-07
],
"t": [
0,
1
]
},
"psi": {
"a": [
1.1627,
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],
"rhomolar_reducing": 3857.0,
"rhomolar_reducing_units": "mol/m^3",
"t": [
0,
1
]
},
"q_D": 1999999999.9999998,
"q_D_units": "m",
"reference_fluid": "R134a",
"type": "ECS"
},
"viscosity": [
{
"BibTeX": "Bell-PURDUE-2016-ETA",
"C": 1.21398,
"c_liq": [
0.6100913843,
0.4508958312,
-0.017063,
0.000564
],
"c_vap": [
0.0,
1.2,
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0.035317
],
"rhosr_critical": -58212.384941089294,
"type": "rhosr-CS",
"x_crossover": 2
},
{
"BibTeX": "Huber-IECR-2003",
"epsilon_over_k": 329.72,
"epsilon_over_k_units": "K",
"psi": {
"a": [
1.1529,
-0.044154,
0.0
],
"rhomolar_reducing": 3857.0,
"rhomolar_reducing_units": "mol/m^3",
"t": [
0,
1,
2
]
},
"reference_fluid": "R134a",
"sigma_eta": 5.529e-10,
"sigma_eta_units": "m",
"type": "ECS"
}
]
}
}
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