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CoolProp/dev/fluids/R1234yf.json

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{
"ANCILLARIES": {
"hL": {
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79.16613042816307,
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0.0017192338210446272,
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4.410205058962832e-09,
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],
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1,
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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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4.656684588471939e-12
],
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1,
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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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17.277,
7.967,
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115.70400813769207,
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2.242,
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1.1235338183077166e-11,
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1.790015200044322e-08,
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1.1136866702493994e-14
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1,
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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": {
"BibTeX": "Mulero-JPCRD-2012",
"Tc": 367.85,
"a": [
0.06274
],
"description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
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1.394
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}
},
"EOS": [
{
"BibTeX_CP0": "",
"BibTeX_EOS": "Richter-JCED-2011",
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},
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},
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},
"T_max": 410,
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"acentric": 0.276,
"acentric_units": "-",
"alpha0": [
{
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"type": "IdealGasHelmholtzLead"
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{
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{
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2.03,
7.455
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12.13809976892755,
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{
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2,
3,
1,
3,
2,
2,
7
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2,
2,
1,
2,
1
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0.1758022,
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0.6805262,
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0.94,
0.38,
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1.05
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},
{
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0.89,
80,
108
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1,
3,
3,
2
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0.718,
1.64
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"eta": [
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1.336,
1.055,
5.84,
16.2
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0.46,
1.28,
1.2
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}
],
"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,
-7.28092281910778e-06,
367.8803614481557
],
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367.8196680786972
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"p_max": 30000000,
"p_max_units": "Pa",
"pseudo_pure": false
}
],
"INFO": {
"2DPNG_URL": "http://www.chemspider.com/ImagesHandler.ashx?id=2057041",
"ALIASES": [
"R1234YF"
],
"CAS": "754-12-1",
"CHEMSPIDER_ID": 2057041,
"ENVIRONMENTAL": {
"ASHRAE34": "A2L",
"FH": 2,
"GWP100": 4.0,
"GWP20": -1.0,
"GWP500": -1.0,
"HH": 1,
"Name": "R1234yf",
"ODP": -1.0,
"PH": 0
},
"FORMULA": "C_{3}F_{4}H_{2}",
"INCHI_KEY": "FXRLMCRCYDHQFW-UHFFFAOYSA-N",
"INCHI_STRING": "InChI=1S/C3H2F4/c1-2(4)3(5,6)7/h1H2",
"NAME": "R1234yf",
"REFPROP_NAME": "R1234YF",
"SMILES": "C=C(C(F)(F)F)F"
},
"STATES": {
"critical": {
"T": 367.85,
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"p": 3382200.0,
"p_units": "Pa",
"rhomolar": 4170.0,
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"smolar": 172.05987191715886,
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},
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},
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}
},
"TRANSPORT": {
"conductivity": {
"BibTeX": "Perkins-JCED-2011",
"critical": {
"GAMMA": 0.0496,
"R0": 1.03,
"gamma": 1.239,
"qD": 1713796058.2,
"type": "simplified_Olchowy_Sengers",
"zeta0": 1.94e-10
},
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0.0291098,
0.000860643
],
"B": [
1.0
],
"T_reducing": 367.85,
"T_reducing_units": "K",
"m": [
0
],
"n": [
0,
1,
2
],
"type": "ratio_of_polynomials"
},
"residual": {
"B": [
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0.0883226,
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0.0259026,
-0.0032295,
0.0397166,
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0.0664707,
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0.00336228
],
"T_reducing": 367.85,
"T_reducing_units": "K",
"d": [
1,
2,
3,
4,
5,
1,
2,
3,
4,
5
],
"rhomass_reducing": 475.55,
"rhomass_reducing_units": "kg/m^3",
"t": [
0,
0,
0,
0,
0,
-1,
-1,
-1,
-1,
-1
],
"type": "polynomial"
}
},
"viscosity": [
{
"BibTeX": "Bell-PURDUE-2016-ETA",
"C": 0.87302,
"c_liq": [
0.6100913843,
0.4508958312,
-0.017063,
0.000564
],
"c_vap": [
0.0,
1.2,
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0.035317
],
"rhosr_critical": -54468.47741433059,
"type": "rhosr-CS",
"x_crossover": 2
},
{
"BibTeX": "BELL-PERSONAL-2015",
"_note": "Fit based on the data of Zhao, JCED, 2014: doi: 10.1021/je5001457",
"epsilon_over_k": 281.14,
"epsilon_over_k_units": "K",
"psi": {
"a": [
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0.74500256,
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],
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"rhomolar_reducing_units": "mol/m^3",
"t": [
0,
1,
2
]
},
"reference_fluid": "R134a",
"sigma_eta": 5.328e-10,
"sigma_eta_units": "m",
"type": "ECS"
}
]
}
}
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