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CoolProp/dev/fluids/R245fa.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

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{
"ALIASES": [
"R245FA"
],
"ANCILLARIES": {
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9.436153792908897e-11,
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],
"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": 374.96359217885765,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
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2.3902287662235015e-13
],
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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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"description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
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"description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
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2.679414978105911e-16
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"B": [
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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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2.717926945445555e-12,
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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",
"max_abs_error": 2.0663358632074718,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
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"surface_tension": {
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"a": [
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0.60033,
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},
"CAS": "460-73-1",
"ENVIRONMENTAL": {
"ASHRAE34": "B1",
"FH": 0,
"GWP100": 1030.0,
"GWP20": 3380.0,
"GWP500": 314.0,
"HH": 2,
"Name": "R245fa",
"ODP": -1.0,
"PH": 1
},
"EOS": [
{
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"BibTeX_EOS": "Akasaka-PREPINT-2014",
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}
},
"T_max": 440,
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"Ttriple": 171.05,
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"accentric": 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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"type": "IdealGasHelmholtzPlanckEinstein"
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"alphar": [
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7
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"t": [
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1.09,
0.4,
2.9,
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0.8,
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1.05
],
"type": "ResidualHelmholtzPower"
},
{
"beta": [
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2.454,
1.256,
21.1
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"d": [
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"epsilon": [
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0.777
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1.079,
7.86
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1.293
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"type": "ResidualHelmholtzGaussian"
}
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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": [
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427.02048895043913
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},
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{
"BibTeX_CP0": "",
"BibTeX_EOS": "Lemmon-JCED-2006",
"STATES": {
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},
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},
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},
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}
},
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"accentric": 0.3776,
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{
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],
"NAME": "R245fa",
"REFPROP_NAME": "R245FA",
"STATES": {
"critical": {
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},
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},
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}
},
"TRANSPORT": {
"conductivity": {
"BibTeX": "Huber-IECR-2003",
"f_int": {
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"a": [
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],
"t": [
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},
"psi": {
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"rhomolar_reducing": 3857.0,
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"t": [
0,
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]
},
"q_D": 1999999999.9999998,
"q_D_units": "m",
"reference_fluid": "R134a",
"type": "ECS"
},
"viscosity": {
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"epsilon_over_k": 329.72,
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"psi": {
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0.0
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"t": [
0,
1,
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]
},
"reference_fluid": "R134a",
"sigma_eta": 5.529e-10,
"sigma_eta_units": "m",
"type": "ECS"
}
}
}
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