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CoolProp/dev/fluids/D4.json

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{
"ALIASES": [
"Octamethylcyclotetrasiloxane",
"OCTAMETHYLCYCLOTETRASILOXANE"
],
"ANCILLARIES": {
"hL": {
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-124.14901919733845,
6.741534136027306,
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7.356837637536672e-05,
-1.1042142050775086e-07,
9.118174562434036e-11,
-3.2003997721162013e-14
],
"B": [
1,
-0.0016924341773735857
],
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 537.0606528876015,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"hLV": {
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3489.4714315532738,
-28.87148128676021,
0.12222489800342692,
-0.0003026846070568683,
4.433052945993696e-07,
-3.5705234812353297e-10,
1.224413453428946e-13
],
"B": [
1,
-0.0016888983146558885
],
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 1243.6182515966284,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"pL": {
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"Tmax": 586.4999999999989,
"Tmin": 290.25,
"description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.028925946608671094,
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15.421699054361437,
-4.2709891047524335,
-7.542128557150028,
140.7032008919629
],
"reducing_value": 1332000.0,
"t": [
0.893,
1.059,
1.151,
2.074,
4.392,
16.257
],
"type": "pL",
"using_tau_r": true
},
"pV": {
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"Tmax": 586.4999999999989,
"Tmin": 290.25,
"description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.028925946446056727,
"n": [
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-6.09127598868665,
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153.97714284240485
],
"reducing_value": 1332000.0,
"t": [
0.87,
0.876,
2.397,
4.259,
10.207,
13.645
],
"type": "pV",
"using_tau_r": true
},
"rhoL": {
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"Tmin": 290.25,
"description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
"max_abserror_percentage": 13.286210237431817,
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3.8256536703025574,
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41771953.36308636,
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67304077.15677227
],
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"t": [
0.156,
1.24,
9.435,
16.41,
17.017,
19.509
],
"type": "rhoLnoexp",
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},
"rhoV": {
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"Tmax": 586.4999999999989,
"Tmin": 290.25,
"description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 9.473643686906497,
"n": [
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-4.34717643630862,
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25.086940017821192,
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93552.36171295607
],
"reducing_value": 1030.928,
"t": [
0.114,
0.23,
1.834,
3.647,
11.227,
16.17
],
"type": "rhoV",
"using_tau_r": true
},
"sL": {
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5.496552639903773,
-0.012025570912991154,
1.3364309988587233e-05,
6.7315251146763905e-09,
-4.7049727068601874e-11,
5.955888168839566e-14,
-2.6171524363836064e-17
],
"B": [
1,
-0.0016925326290089652
],
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 0.9135939282324799,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
},
"sLV": {
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1342.4421188524575,
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0.03988225766277166,
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7.2559882384661874e-09,
1.385292638641094e-10,
-1.9687277184961727e-13,
8.932309931058564e-17
],
"B": [
1,
-0.0016889285612156464
],
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 2.1216763165853223,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
},
"surface_tension": {
"BibTeX": "Mulero-JPCRD-2014",
"Tc": 586.5,
"a": [
0.04246
],
"description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
"n": [
1.207
]
}
},
"CAS": "556-67-2",
"ENVIRONMENTAL": {
"ASHRAE34": "UNKNOWN",
"FH": -1,
"GWP100": -1.0,
"GWP20": -1.0,
"GWP500": -1.0,
"HH": -1,
"Name": "D4",
"ODP": -1.0,
"PH": -1
},
"EOS": [
{
"BibTeX_CP0": "",
"BibTeX_EOS": "Colonna-FPE-2006",
"STATES": {
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"p": 2353169.4942233893,
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},
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"p": 1332000,
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},
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},
"sat_min_vapor": {
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"rhomolar": 0.02885371784419063,
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}
},
"T_max": 673,
"T_max_units": "K",
"Ttriple": 290.25,
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"accentric": 0.592,
"accentric_units": "-",
"alpha0": [
{
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"type": "IdealGasHelmholtzLead"
},
{
"a": -1,
"type": "IdealGasHelmholtzLogTau"
},
{
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"Tc": 586.49127187,
"cp_over_R": -2.19568963609475,
"type": "IdealGasHelmholtzCP0Constant"
},
{
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"c": [
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-0.000119093551580906,
3.60816657991031e-08
],
"t": [
1,
2,
3
],
"type": "IdealGasHelmholtzCP0PolyT"
},
{
"a1": -36.9617168387456,
"a2": 22.2512527290327,
"reference": "NBP",
"type": "IdealGasHelmholtzEnthalpyEntropyOffset"
}
],
"alphar": [
{
"d": [
1,
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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0.77573923,
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0.18721557,
0.0004219333,
0.70301835,
0.047851888,
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0.0060103354
],
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1.375,
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1.75,
3.625,
3.625,
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12
],
"type": "ResidualHelmholtzPower"
}
],
"gas_constant": 8.314472,
"gas_constant_units": "J/mol/K",
"molar_mass": 0.29661576,
"molar_mass_units": "kg/mol",
"p_max": 30000000,
"p_max_units": "Pa",
"pseudo_pure": false
}
],
"NAME": "D4",
"REFPROP_NAME": "D4",
"STATES": {
"critical": {
"T": 586.5,
"T_units": "K",
"p": 1332000.0,
"p_units": "Pa",
"rhomolar": 1030.928,
"rhomolar_units": "mol/m^3"
},
"triple_liquid": {
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"T_units": "K",
"p": 69.60923755799352,
"p_units": "Pa",
"rhomolar": 3200.445098116997,
"rhomolar_units": "mol/m^3"
},
"triple_vapor": {
"T": 290.25,
"T_units": "K",
"p": 69.60923766759313,
"p_units": "Pa",
"rhomolar": 0.02885371784419063,
"rhomolar_units": "mol/m^3"
}
}
}
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