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CoolProp/dev/fluids/Krypton.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": [
"krypton",
"KRYPTON"
],
"ANCILLARIES": {
"hL": {
"A": [
27855.954116004705,
-1785.2794513168258,
37.35400436001508,
-0.41293799380046126,
0.0027094090245551863,
-1.0609270112242435e-05,
2.297407671093965e-08,
-2.125346062800405e-11
],
"B": [
1,
-0.004740624786559564
],
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 58.15569693686166,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"hLV": {
"A": [
-86969.94745697052,
4522.61017088196,
-91.41617816732825,
1.0073467077841096,
-0.006622462821629202,
2.5992285811892245e-05,
-5.641511052359536e-08,
5.2305008747047935e-11
],
"B": [
1,
-0.004735422378684773
],
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 123.20350826360004,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"melting_line": {
"BibTeX": "Michels-PHYSICA-1962",
"T_m": 115.95,
"parts": [
{
"T_0": 1,
"T_max": 170,
"T_min": 115.77,
"a": 109479.2307,
"c": 1.6169841,
"p_0": -237497645.7
}
],
"type": "Simon"
},
"pL": {
"T_r": 209.48,
"Tmax": 209.4799999999995,
"Tmin": 115.77000000000001,
"description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.0157078121642229,
"n": [
-4.031170740728375,
-7.4067462119583105,
6.97753623737674,
-1.177175552979292,
-3320.220246352347,
14166.599178573982
],
"reducing_value": 5525000.0,
"t": [
0.967,
1.232,
1.347,
2.625,
14.831,
16.938
],
"type": "pL",
"using_tau_r": true
},
"pV": {
"T_r": 209.48,
"Tmax": 209.4799999999995,
"Tmin": 115.77000000000001,
"description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.009085871871139517,
"n": [
0.6286380394785566,
-6.084114621397644,
0.9243637669284523,
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-484.84085075238977,
2458.926650746003
],
"reducing_value": 5525000.0,
"t": [
0.822,
0.961,
1.811,
2.937,
13.131,
15.629
],
"type": "pV",
"using_tau_r": true
},
"rhoL": {
"T_r": 209.48,
"Tmax": 209.4799999999995,
"Tmin": 115.77000000000001,
"description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.8307407005560208,
"n": [
2.546150113785161,
-5.378194265123711,
8.373146326331726,
-116.81279901170906,
18068.951065200818,
-1719409.740660462
],
"reducing_value": 10850.0,
"t": [
0.423,
1.611,
2.063,
6.632,
12.833,
19.438
],
"type": "rhoLnoexp",
"using_tau_r": false
},
"rhoV": {
"T_r": 209.48,
"Tmax": 209.4799999999995,
"Tmin": 115.77000000000001,
"description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.25111252948395446,
"n": [
-5.11839525888464,
1.8524855046540656,
-2.3327083913774804,
5.670498376648386,
-13.437817551364956,
2923.704628658189
],
"reducing_value": 10850.0,
"t": [
0.487,
0.544,
1.593,
3.18,
4.851,
14.775
],
"type": "rhoV",
"using_tau_r": true
},
"sL": {
"A": [
39.7162830483554,
-5.795888932079139,
0.14014518399485487,
-0.001641136947737385,
1.1092512906551048e-05,
-4.4226597106127084e-08,
9.693822595392733e-11,
-9.042746714521405e-14
],
"B": [
1,
-0.004741239242189802
],
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 0.2730156520218481,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
},
"sLV": {
"A": [
96.5548815642242,
6.5526147603917,
-0.22459871066652717,
0.003004215282445053,
-2.1879558886362145e-05,
9.154552691783187e-08,
-2.0759438950797973e-10,
1.9866762682297457e-13
],
"B": [
1,
-0.004736009439434719
],
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 0.5808530746150429,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
},
"surface_tension": {
"BibTeX": "Mulero-JPCRD-2012",
"Tc": 209.48,
"a": [
0.0447
],
"description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
"n": [
1.245
]
}
},
"CAS": "7439-90-9",
"ENVIRONMENTAL": {
"ASHRAE34": "UNKNOWN",
"FH": 0,
"GWP100": -1.0,
"GWP20": -1.0,
"GWP500": -1.0,
"HH": 0,
"Name": "Krypton",
"ODP": -1.0,
"PH": 0
},
"EOS": [
{
"BibTeX_CP0": "",
"BibTeX_EOS": "Lemmon-JCED-2006",
"STATES": {
"hs_anchor": {
"T": 230.428,
"T_units": "K",
"hmolar": 7483.974907938666,
"hmolar_units": "J/mol",
"p": 8410102.077735778,
"p_units": "Pa",
"rhomolar": 9765.0,
"rhomolar_units": "mol/m^3",
"smolar": 39.269520310770154,
"smolar_units": "J/mol/K"
},
"reducing": {
"T": 209.48,
"T_units": "K",
"p": 5525000,
"p_units": "Pa",
"rhomolar": 10850,
"rhomolar_units": "mol/m^3"
},
"sat_min_liquid": {
"T": 115.77,
"T_units": "K",
"p": 73502.83747459138,
"p_units": "Pa",
"rhomolar": 29197.322406785574,
"rhomolar_units": "mol/m^3"
},
"sat_min_vapor": {
"T": 115.77,
"T_units": "K",
"p": 73502.83747460498,
"p_units": "Pa",
"rhomolar": 78.41752340870174,
"rhomolar_units": "mol/m^3"
}
},
"T_max": 750,
"T_max_units": "K",
"Ttriple": 115.77,
"Ttriple_units": "K",
"accentric": -0.00089,
"accentric_units": "-",
"alpha0": [
{
"a1": -3.7506412806,
"a2": 3.7798018435,
"type": "IdealGasHelmholtzLead"
},
{
"a": 1.5,
"type": "IdealGasHelmholtzLogTau"
}
],
"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": [
0.83561,
-2.3725,
0.54567,
0.014361,
0.066502,
0.0001931,
0.16818,
-0.033133,
-0.15008,
-0.022897,
-0.021454,
0.0069397
],
"t": [
0.25,
1.125,
1.5,
1.375,
0.25,
0.875,
0.625,
1.75,
3.625,
3.625,
14.5,
12
],
"type": "ResidualHelmholtzPower"
}
],
"critical_region_splines": {
"T_max": 209.48000000000002,
"T_min": 209.47310506132737,
"_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": [
6.390300964893231e-11,
-2.199509680360674e-06,
0.02516089390363733,
113.79346021244321
],
"cV": [
-3.436623953002642e-11,
1.0066209446840255e-06,
-0.009706635600422744,
240.19068612286947
],
"rhomolar_max": 11108.82129459245,
"rhomolar_min": 10591.412518037536
},
"gas_constant": 8.314472,
"gas_constant_units": "J/mol/K",
"molar_mass": 0.083798,
"molar_mass_units": "kg/mol",
"p_max": 200000000,
"p_max_units": "Pa",
"pseudo_pure": false
}
],
"NAME": "Krypton",
"REFPROP_NAME": "KRYPTON",
"STATES": {
"critical": {
"T": 209.48,
"T_units": "K",
"p": 5525000.0,
"p_units": "Pa",
"rhomolar": 10850.0,
"rhomolar_units": "mol/m^3"
},
"triple_liquid": {
"T": 115.77,
"T_units": "K",
"p": 73502.83747459138,
"p_units": "Pa",
"rhomolar": 29197.322406785574,
"rhomolar_units": "mol/m^3"
},
"triple_vapor": {
"T": 115.77,
"T_units": "K",
"p": 73502.83747460498,
"p_units": "Pa",
"rhomolar": 78.41752340870174,
"rhomolar_units": "mol/m^3"
}
}
}
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