Files
CoolProp/dev/fluids/cis-2-Butene.json
Ian Bell fc1484f828 Update critical splines
Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
2014-09-27 11:22:37 +02:00

388 lines
9.1 KiB
JSON

{
"ALIASES": [
"Cis-2-Butene",
"CIS-2-BUTENE",
"C2BUTENE"
],
"ANCILLARIES": {
"hL": {
"A": [
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277.78148612938446,
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-0.0023843202839273912,
1.4021580740857181e-05,
-3.88522142806311e-08,
5.368520846395539e-11,
-3.045617168442195e-14
],
"B": [
1,
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],
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 379.5141907646839,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"hLV": {
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36487.27275318853,
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-1.5835827315526136,
0.01372799896591459,
-5.901628446007657e-05,
1.4207083253100848e-07,
-1.829664217875032e-10,
9.91470658187956e-14
],
"B": [
1,
-0.002269488528428269
],
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 776.6897962868643,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"pL": {
"T_r": 435.75,
"Tmax": 435.7499999999991,
"Tmin": 134.3,
"description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.24855875518168258,
"n": [
0.0677302414418938,
-4.8343076872999236,
-5.4106633030712565,
41.30992857221284,
-40.52816223536726,
-0.6515323361189119
],
"reducing_value": 4225500.0,
"t": [
0.331,
0.886,
1.813,
2.731,
2.888,
8.459
],
"type": "pL",
"using_tau_r": true
},
"pV": {
"T_r": 435.75,
"Tmax": 435.7499999999991,
"Tmin": 134.3,
"description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.2486366837373688,
"n": [
0.04889427368224387,
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1.085463127003139,
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],
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0.374,
0.967,
1.328,
1.817,
3.932,
7.404
],
"type": "pV",
"using_tau_r": true
},
"rhoL": {
"T_r": 435.75,
"Tmax": 435.7499999999991,
"Tmin": 134.3,
"description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.13490879855498905,
"n": [
-2.0818345732351684,
6.807747893614343,
-111.04784929056088,
120.09826778110036,
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1.7960675631510878
],
"reducing_value": 4244.0,
"t": [
0.26,
0.351,
0.795,
0.831,
1.18,
2.144
],
"type": "rhoLnoexp",
"using_tau_r": false
},
"rhoV": {
"T_r": 435.75,
"Tmax": 435.7499999999991,
"Tmin": 134.3,
"description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.36720202981660455,
"n": [
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89.02084598490362,
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16.852533778316815
],
"reducing_value": 4244.0,
"t": [
0.539,
0.554,
0.74,
3.876,
7.701,
19.761
],
"type": "rhoV",
"using_tau_r": true
},
"sL": {
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4.533994207000514,
-0.029149557752126902,
0.0001269381759537269,
-3.5679528145206037e-07,
6.167728302523276e-10,
-5.981079783737523e-13,
2.482397655797002e-16
],
"B": [
1,
-0.0022668772232778125
],
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 1.0020932282874533,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
},
"sLV": {
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1175.810004880609,
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0.15240715252408557,
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2.2034515912481442e-06,
-4.033076086360722e-09,
4.1278455842793726e-12,
-1.8102173774102116e-15
],
"B": [
1,
-0.002244628471179516
],
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 2.463944819773388,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
},
"surface_tension": {
"BibTeX": "Mulero-JPCRD-2014",
"Tc": 435.75,
"a": [
0.05903
],
"description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
"n": [
1.246
]
}
},
"CAS": "590-18-1",
"ENVIRONMENTAL": {
"ASHRAE34": "UNKNOWN",
"FH": 4,
"GWP100": -1.0,
"GWP20": -1.0,
"GWP500": -1.0,
"HH": 0,
"Name": "cis-2-Butene",
"ODP": -1.0,
"PH": 1
},
"EOS": [
{
"BibTeX_CP0": "",
"BibTeX_EOS": "Lemmon-FPE-2005",
"STATES": {
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"hmolar": 34128.43314135877,
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"p": 6867906.448485542,
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"rhomolar_units": "mol/m^3",
"smolar": 87.08299334023519,
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},
"reducing": {
"T": 435.75,
"T_units": "K",
"p": 4225500,
"p_units": "Pa",
"rhomolar": 4244,
"rhomolar_units": "mol/m^3"
},
"sat_min_liquid": {
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"p": 0.26364996313646216,
"p_units": "Pa",
"rhomolar": 14084.011372882018,
"rhomolar_units": "mol/m^3"
},
"sat_min_vapor": {
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"T_units": "K",
"p": 0.26364966495341174,
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"rhomolar": 0.00023611178082609332,
"rhomolar_units": "mol/m^3"
}
},
"T_max": 525,
"T_max_units": "K",
"Ttriple": 134.3,
"Ttriple_units": "K",
"accentric": 0.20235958587,
"accentric_units": "-",
"alpha0": [
{
"a1": 0.2591542,
"a2": 2.4189888,
"type": "IdealGasHelmholtzLead"
},
{
"a": 2.9687,
"type": "IdealGasHelmholtzLogTau"
},
{
"n": [
3.2375,
7.0437,
11.414,
7.3722
],
"t": [
0.5691336775674125,
2.714859437751004,
4.800917957544463,
10.09064830751578
],
"type": "IdealGasHelmholtzPlanckEinstein"
}
],
"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": [
0.77827,
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1.003,
0.013762,
0.085514,
0.00021268,
0.22962,
-0.072442,
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-0.026547,
0.012032
],
"t": [
0.12,
1.3,
1.74,
2.1,
0.28,
0.69,
0.75,
2,
4.4,
4.7,
15,
14
],
"type": "ResidualHelmholtzPower"
}
],
"gas_constant": 8.314472,
"gas_constant_units": "J/mol/K",
"molar_mass": 0.05610631999999999,
"molar_mass_units": "kg/mol",
"p_max": 50000000,
"p_max_units": "Pa",
"pseudo_pure": false
}
],
"NAME": "cis-2-Butene",
"REFPROP_NAME": "C2BUTENE",
"STATES": {
"critical": {
"T": 435.75,
"T_units": "K",
"p": 4225500.0,
"p_units": "Pa",
"rhomolar": 4244.0,
"rhomolar_units": "mol/m^3"
},
"triple_liquid": {
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"T_units": "K",
"p": 0.26364996313646216,
"p_units": "Pa",
"rhomolar": 14084.011372882018,
"rhomolar_units": "mol/m^3"
},
"triple_vapor": {
"T": 134.3,
"T_units": "K",
"p": 0.26364966495341174,
"p_units": "Pa",
"rhomolar": 0.00023611178082609332,
"rhomolar_units": "mol/m^3"
}
}
}