mirror of
https://github.com/CoolProp/CoolProp.git
synced 2026-02-01 09:24:58 -05:00
765 lines
17 KiB
JSON
765 lines
17 KiB
JSON
{
|
|
"ALIASES": [
|
|
"isobutane",
|
|
"Isobutane",
|
|
"ISOBUTANE",
|
|
"R600A",
|
|
"R600a",
|
|
"ISOBUTAN"
|
|
],
|
|
"ANCILLARIES": {
|
|
"hL": {
|
|
"A": [
|
|
-58825.170188809585,
|
|
170.4120806722115,
|
|
0.6182924664669294,
|
|
-0.005317238745106315,
|
|
2.1011161000159286e-05,
|
|
-5.050630451974954e-08,
|
|
6.675734904499258e-11,
|
|
-3.81156491293604e-14
|
|
],
|
|
"B": [
|
|
1,
|
|
-0.0024220237220578898
|
|
],
|
|
"Tmax": 407.717,
|
|
"Tmin": 113.73,
|
|
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
|
|
"max_abs_error": 312.66228021911775,
|
|
"max_abs_error_units": "J/mol",
|
|
"type": "rational_polynomial"
|
|
},
|
|
"hLV": {
|
|
"A": [
|
|
29849.720877939017,
|
|
-6.327296524824679,
|
|
-1.6442469797295556,
|
|
0.013429189948260435,
|
|
-5.819225341540687e-05,
|
|
1.4499197132160137e-07,
|
|
-1.9628026030380603e-10,
|
|
1.1320639052551831e-13
|
|
],
|
|
"B": [
|
|
1,
|
|
-0.002420962913701656
|
|
],
|
|
"Tmax": 407.717,
|
|
"Tmin": 113.73,
|
|
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
|
|
"max_abs_error": 725.5919123687981,
|
|
"max_abs_error_units": "J/mol",
|
|
"type": "rational_polynomial"
|
|
},
|
|
"melting_line": {
|
|
"BibTeX": "Buecker-JPCRD-2006B",
|
|
"T_m": 113.55,
|
|
"parts": [
|
|
{
|
|
"T_0": 113.73,
|
|
"T_max": 127,
|
|
"T_min": 113.73,
|
|
"a": [
|
|
1953637130.9
|
|
],
|
|
"p_0": 0.0219,
|
|
"t": [
|
|
6.12
|
|
]
|
|
}
|
|
],
|
|
"type": "polynomial_in_Tr"
|
|
},
|
|
"pL": {
|
|
"T_r": 407.817,
|
|
"Tmax": 407.81699999999915,
|
|
"Tmin": 113.73000000000002,
|
|
"description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
|
|
"max_abserror_percentage": 0.025709437298837567,
|
|
"n": [
|
|
0.4893216106119911,
|
|
-6.629467799666135,
|
|
0.27190214385479383,
|
|
-0.013142408151644676,
|
|
-3.250782332365992,
|
|
-0.43922387424664594
|
|
],
|
|
"reducing_value": 3629000.0,
|
|
"t": [
|
|
0.83,
|
|
0.964,
|
|
2.071,
|
|
2.407,
|
|
3.825,
|
|
15.511
|
|
],
|
|
"type": "pL",
|
|
"using_tau_r": true
|
|
},
|
|
"pV": {
|
|
"T_r": 407.817,
|
|
"Tmax": 407.81699999999915,
|
|
"Tmin": 113.73000000000002,
|
|
"description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
|
|
"max_abserror_percentage": 0.019699846909193575,
|
|
"n": [
|
|
-48.02915589537987,
|
|
43.34653680580028,
|
|
-1.4421317283854331,
|
|
-3.1322275225078413,
|
|
5.203481182010376,
|
|
-6.173022897817098
|
|
],
|
|
"reducing_value": 3629000.0,
|
|
"t": [
|
|
1.082,
|
|
1.108,
|
|
1.463,
|
|
4.045,
|
|
13.157,
|
|
14.042
|
|
],
|
|
"type": "pV",
|
|
"using_tau_r": true
|
|
},
|
|
"rhoL": {
|
|
"T_r": 407.817,
|
|
"Tmax": 407.81699999999915,
|
|
"Tmin": 113.73000000000002,
|
|
"description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
|
|
"max_abserror_percentage": 0.26628224832738745,
|
|
"n": [
|
|
2.0418147224188545,
|
|
0.4363922893974425,
|
|
1.915261424521202,
|
|
-2.1807762762122045,
|
|
1.068664850362356,
|
|
-6.816247938174933
|
|
],
|
|
"reducing_value": 3879.756788283995,
|
|
"t": [
|
|
0.356,
|
|
0.824,
|
|
3.142,
|
|
3.696,
|
|
6.863,
|
|
18.441
|
|
],
|
|
"type": "rhoLnoexp",
|
|
"using_tau_r": false
|
|
},
|
|
"rhoV": {
|
|
"T_r": 407.817,
|
|
"Tmax": 407.81699999999915,
|
|
"Tmin": 113.73000000000002,
|
|
"description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
|
|
"max_abserror_percentage": 0.4922366156330571,
|
|
"n": [
|
|
-2.8656855559386294,
|
|
0.7330458189287201,
|
|
-4.254613288675131,
|
|
2.9956235180226516,
|
|
-5.671641417558254,
|
|
0.14361022568133902
|
|
],
|
|
"reducing_value": 3879.756788283995,
|
|
"t": [
|
|
0.37,
|
|
0.502,
|
|
1.021,
|
|
2.003,
|
|
3.403,
|
|
10.717
|
|
],
|
|
"type": "rhoV",
|
|
"using_tau_r": true
|
|
},
|
|
"sL": {
|
|
"A": [
|
|
-343.02057977602584,
|
|
3.0679603532960487,
|
|
-0.0163231128383915,
|
|
6.598143187367821e-05,
|
|
-1.838926003638765e-07,
|
|
3.22262844678351e-10,
|
|
-3.199208678024991e-13,
|
|
1.354840234432422e-16
|
|
],
|
|
"B": [
|
|
1,
|
|
-0.002417327785099247
|
|
],
|
|
"Tmax": 407.717,
|
|
"Tmin": 113.73,
|
|
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
|
|
"max_abs_error": 0.8271132186837988,
|
|
"max_abs_error_units": "J/mol/K",
|
|
"type": "rational_polynomial"
|
|
},
|
|
"sLV": {
|
|
"A": [
|
|
1116.4022949437335,
|
|
-19.56719269824217,
|
|
0.17275323222535754,
|
|
-0.0009204925459102511,
|
|
3.057288467934098e-06,
|
|
-6.19751206102242e-09,
|
|
7.020914485937293e-12,
|
|
-3.4053748878705523e-15
|
|
],
|
|
"B": [
|
|
1,
|
|
-0.0023703213791652408
|
|
],
|
|
"Tmax": 407.717,
|
|
"Tmin": 113.73,
|
|
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
|
|
"max_abs_error": 2.6428182320483646,
|
|
"max_abs_error_units": "J/mol/K",
|
|
"type": "rational_polynomial"
|
|
},
|
|
"surface_tension": {
|
|
"BibTeX": "Mulero-JPCRD-2012",
|
|
"Tc": 407.81,
|
|
"a": [
|
|
-0.01639,
|
|
0.06121
|
|
],
|
|
"description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
|
|
"n": [
|
|
2.102,
|
|
1.304
|
|
]
|
|
}
|
|
},
|
|
"CAS": "75-28-5",
|
|
"ENVIRONMENTAL": {
|
|
"ASHRAE34": "UNKNOWN",
|
|
"FH": 4,
|
|
"GWP100": -1.0,
|
|
"GWP20": -1.0,
|
|
"GWP500": -1.0,
|
|
"HH": 1,
|
|
"Name": "IsoButane",
|
|
"ODP": -1.0,
|
|
"PH": 0
|
|
},
|
|
"EOS": [
|
|
{
|
|
"BibTeX_CP0": "",
|
|
"BibTeX_EOS": "Buecker-JPCRD-2006B",
|
|
"STATES": {
|
|
"hs_anchor": {
|
|
"T": 448.59100000000007,
|
|
"T_units": "K",
|
|
"hmolar": 43954.8222411498,
|
|
"hmolar_units": "J/mol",
|
|
"p": 5887949.640936111,
|
|
"p_units": "Pa",
|
|
"rhomolar": 3491.7811094555955,
|
|
"rhomolar_units": "mol/m^3",
|
|
"smolar": 144.5636715682779,
|
|
"smolar_units": "J/mol/K"
|
|
},
|
|
"reducing": {
|
|
"T": 407.81,
|
|
"T_units": "K",
|
|
"hmolar": 36852.07931209799,
|
|
"hmolar_units": "J/mol",
|
|
"p": 3629000,
|
|
"p_units": "Pa",
|
|
"rhomolar": 3879.756788283995,
|
|
"rhomolar_units": "mol/m^3",
|
|
"smolar": 129.387717698842,
|
|
"smolar_units": "J/mol/K"
|
|
},
|
|
"sat_min_liquid": {
|
|
"T": 113.73,
|
|
"T_units": "K",
|
|
"hmolar": -6531.616406954144,
|
|
"hmolar_units": "J/mol",
|
|
"p": 0.022891027562310824,
|
|
"p_units": "Pa",
|
|
"rhomolar": 12737.62445835364,
|
|
"rhomolar_units": "mol/m^3",
|
|
"smolar": -39.51403685940213,
|
|
"smolar_units": "J/mol/K"
|
|
},
|
|
"sat_min_vapor": {
|
|
"T": 113.73,
|
|
"T_units": "K",
|
|
"hmolar": 21407.563324517243,
|
|
"hmolar_units": "J/mol",
|
|
"p": 0.02289066053179942,
|
|
"p_units": "Pa",
|
|
"rhomolar": 2.4207430191901677e-05,
|
|
"rhomolar_units": "mol/m^3",
|
|
"smolar": 206.14831899635888,
|
|
"smolar_units": "J/mol/K"
|
|
}
|
|
},
|
|
"T_max": 575,
|
|
"T_max_units": "K",
|
|
"Ttriple": 113.73,
|
|
"Ttriple_units": "K",
|
|
"accentric": 0.183531783208,
|
|
"accentric_units": "-",
|
|
"alpha0": [
|
|
{
|
|
"a1": 11.60865546,
|
|
"a2": -5.29450411,
|
|
"type": "IdealGasHelmholtzLead"
|
|
},
|
|
{
|
|
"a": 3.05956619,
|
|
"type": "IdealGasHelmholtzLogTau"
|
|
},
|
|
{
|
|
"n": [
|
|
4.94641014,
|
|
4.09475197,
|
|
15.6632824,
|
|
9.73918122
|
|
],
|
|
"t": [
|
|
0.951277902,
|
|
2.387895885,
|
|
4.346904269,
|
|
10.36885864
|
|
],
|
|
"type": "IdealGasHelmholtzPlanckEinstein"
|
|
},
|
|
{
|
|
"a1": -17.6081648486994,
|
|
"a2": 10.3134499204439,
|
|
"reference": "IIR",
|
|
"type": "IdealGasHelmholtzEnthalpyEntropyOffset"
|
|
}
|
|
],
|
|
"alphar": [
|
|
{
|
|
"d": [
|
|
1,
|
|
1,
|
|
1,
|
|
2,
|
|
3,
|
|
4,
|
|
4,
|
|
1,
|
|
1,
|
|
2,
|
|
7,
|
|
8,
|
|
8,
|
|
1,
|
|
2,
|
|
3,
|
|
3,
|
|
4,
|
|
5,
|
|
5,
|
|
10,
|
|
2,
|
|
6
|
|
],
|
|
"l": [
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
2,
|
|
2,
|
|
2,
|
|
2,
|
|
2,
|
|
2,
|
|
2,
|
|
2,
|
|
3,
|
|
3
|
|
],
|
|
"n": [
|
|
2.0686820727966,
|
|
-3.6400098615204,
|
|
0.51968754427244,
|
|
0.17745845870123,
|
|
-0.12361807851599,
|
|
0.045145314010528,
|
|
0.03047647996598,
|
|
0.75508387706302,
|
|
-0.85885381015629,
|
|
0.036324009830684,
|
|
-0.01954879945055,
|
|
-0.004445239290496,
|
|
0.004641076366646,
|
|
-0.071444097992825,
|
|
-0.080765060030713,
|
|
0.15560460945053,
|
|
0.0020318752160332,
|
|
-0.10624883571689,
|
|
0.039807690546305,
|
|
0.016371431292386,
|
|
0.00053212200682628,
|
|
-0.0078681561156387,
|
|
-0.0030981191888963
|
|
],
|
|
"t": [
|
|
0.5,
|
|
1,
|
|
1.5,
|
|
0,
|
|
0.5,
|
|
0.5,
|
|
0.75,
|
|
2,
|
|
2.5,
|
|
2.5,
|
|
1.5,
|
|
1,
|
|
1.5,
|
|
4,
|
|
7,
|
|
3,
|
|
7,
|
|
3,
|
|
1,
|
|
6,
|
|
0,
|
|
6,
|
|
13
|
|
],
|
|
"type": "ResidualHelmholtzPower"
|
|
},
|
|
{
|
|
"beta": [
|
|
150,
|
|
200
|
|
],
|
|
"d": [
|
|
1,
|
|
2
|
|
],
|
|
"epsilon": [
|
|
0.85,
|
|
1
|
|
],
|
|
"eta": [
|
|
10,
|
|
10
|
|
],
|
|
"gamma": [
|
|
1.16,
|
|
1.13
|
|
],
|
|
"n": [
|
|
-0.042276036810382,
|
|
-0.0053001044558079
|
|
],
|
|
"t": [
|
|
2,
|
|
0
|
|
],
|
|
"type": "ResidualHelmholtzGaussian"
|
|
}
|
|
],
|
|
"critical_region_splines": {
|
|
"T_max": 407.817,
|
|
"T_min": 407.73549293470376,
|
|
"_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": [
|
|
-5.728389280296945e-10,
|
|
6.296755366265217e-06,
|
|
-0.022991762972926447,
|
|
435.69130219666266
|
|
],
|
|
"cV": [
|
|
5.562666408422913e-10,
|
|
-6.761233991678565e-06,
|
|
0.027344254864717768,
|
|
371.015481302833
|
|
],
|
|
"rhomolar_max": 4253.160501655689,
|
|
"rhomolar_min": 3479.687062549918
|
|
},
|
|
"gas_constant": 8.314472,
|
|
"gas_constant_units": "J/mol/K",
|
|
"molar_mass": 0.0581222,
|
|
"molar_mass_units": "kg/mol",
|
|
"p_max": 35000000,
|
|
"p_max_units": "Pa",
|
|
"pseudo_pure": false
|
|
}
|
|
],
|
|
"NAME": "IsoButane",
|
|
"REFPROP_NAME": "ISOBUTAN",
|
|
"STATES": {
|
|
"critical": {
|
|
"T": 407.817,
|
|
"T_units": "K",
|
|
"p": 3629000.0,
|
|
"p_units": "Pa",
|
|
"rhomolar": 3879.756788283995,
|
|
"rhomolar_units": "mol/m^3"
|
|
},
|
|
"triple_liquid": {
|
|
"T": 113.73,
|
|
"T_units": "K",
|
|
"hmolar": -6531.616406954144,
|
|
"hmolar_units": "J/mol",
|
|
"p": 0.022891027562310824,
|
|
"p_units": "Pa",
|
|
"rhomolar": 12737.62445835364,
|
|
"rhomolar_units": "mol/m^3",
|
|
"smolar": -39.51403685940213,
|
|
"smolar_units": "J/mol/K"
|
|
},
|
|
"triple_vapor": {
|
|
"T": 113.73,
|
|
"T_units": "K",
|
|
"hmolar": 21407.563324517243,
|
|
"hmolar_units": "J/mol",
|
|
"p": 0.02289066053179942,
|
|
"p_units": "Pa",
|
|
"rhomolar": 2.4207430191901677e-05,
|
|
"rhomolar_units": "mol/m^3",
|
|
"smolar": 206.14831899635888,
|
|
"smolar_units": "J/mol/K"
|
|
}
|
|
},
|
|
"TRANSPORT": {
|
|
"conductivity": {
|
|
"BibTeX": "Perkins-JCED-2002-Isobutane",
|
|
"critical": {
|
|
"GAMMA": 0.0496,
|
|
"R0": 1.03,
|
|
"gamma": 1.239,
|
|
"qD": 1520540217.5,
|
|
"type": "simplified_Olchowy_Sengers",
|
|
"zeta0": 1.94e-10
|
|
},
|
|
"dilute": {
|
|
"A": [
|
|
-0.00237901,
|
|
0.0106601,
|
|
0.0215811
|
|
],
|
|
"B": [
|
|
1.0
|
|
],
|
|
"T_reducing": 407.85,
|
|
"T_reducing_units": "K",
|
|
"m": [
|
|
0
|
|
],
|
|
"n": [
|
|
0,
|
|
1,
|
|
2
|
|
],
|
|
"type": "ratio_of_polynomials"
|
|
},
|
|
"residual": {
|
|
"B": [
|
|
-0.0411789,
|
|
0.146805,
|
|
-0.11919,
|
|
0.0410226,
|
|
-0.00488704,
|
|
0.0476346,
|
|
-0.128445,
|
|
0.107565,
|
|
-0.0385968,
|
|
0.00520901
|
|
],
|
|
"T_reducing": 407.85,
|
|
"T_reducing_units": "K",
|
|
"d": [
|
|
1,
|
|
2,
|
|
3,
|
|
4,
|
|
5,
|
|
1,
|
|
2,
|
|
3,
|
|
4,
|
|
5
|
|
],
|
|
"rhomass_reducing": 224.4,
|
|
"rhomass_reducing_units": "kg/m^3",
|
|
"t": [
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
-1,
|
|
-1,
|
|
-1,
|
|
-1,
|
|
-1
|
|
],
|
|
"type": "polynomial"
|
|
}
|
|
},
|
|
"viscosity": {
|
|
"BibTeX": "Vogel-IJT-2000",
|
|
"dilute": {
|
|
"C": 2.1357e-08,
|
|
"a": [
|
|
0.53583008,
|
|
-0.4562963,
|
|
0.049911282
|
|
],
|
|
"molar_mass": 0.0581222,
|
|
"molar_mass_units": "kg/mol",
|
|
"t": [
|
|
0,
|
|
1,
|
|
2
|
|
],
|
|
"type": "collision_integral"
|
|
},
|
|
"epsilon_over_k": 307.55,
|
|
"epsilon_over_k_units": "K",
|
|
"higher_order": {
|
|
"T_reduce": 407.817,
|
|
"T_reduce_units": "K",
|
|
"a": [
|
|
0.000103511763411,
|
|
-0.000312670896234,
|
|
0.000145253750239,
|
|
-0.000210649894193,
|
|
0.000386269696509,
|
|
-0.000214963015527,
|
|
0.00011258036092,
|
|
-0.000223242033154,
|
|
0.000119114788598,
|
|
-1.819097459e-05,
|
|
3.60438957232e-05,
|
|
-2.1396018405e-05
|
|
],
|
|
"d1": [
|
|
2,
|
|
2,
|
|
2,
|
|
3,
|
|
3,
|
|
3,
|
|
4,
|
|
4,
|
|
4,
|
|
5,
|
|
5,
|
|
5
|
|
],
|
|
"d2": [
|
|
1
|
|
],
|
|
"f": [
|
|
0.0019403760699
|
|
],
|
|
"g": [
|
|
2.33859774637,
|
|
2.352551508384381
|
|
],
|
|
"gamma": [
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0
|
|
],
|
|
"h": [
|
|
0,
|
|
-0.5
|
|
],
|
|
"l": [
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
1
|
|
],
|
|
"p": [
|
|
1
|
|
],
|
|
"q": [
|
|
0
|
|
],
|
|
"rhomolar_reduce": 3860,
|
|
"rhomolar_reduce_units": "mol/m^3",
|
|
"t1": [
|
|
0,
|
|
1,
|
|
2,
|
|
0,
|
|
1,
|
|
2,
|
|
0,
|
|
1,
|
|
2,
|
|
0,
|
|
1,
|
|
2
|
|
],
|
|
"t2": [
|
|
0
|
|
],
|
|
"type": "modified_Batschinski_Hildebrand"
|
|
},
|
|
"initial_density": {
|
|
"b": [
|
|
-19.572881,
|
|
219.73999,
|
|
-1015.3226,
|
|
2471.01251,
|
|
-3375.1717,
|
|
2491.6597,
|
|
-787.26086,
|
|
14.085455,
|
|
-0.34664158
|
|
],
|
|
"t": [
|
|
0,
|
|
-0.25,
|
|
-0.5,
|
|
-0.75,
|
|
-1.0,
|
|
-1.25,
|
|
-1.5,
|
|
-2.5,
|
|
-5.5
|
|
],
|
|
"type": "Rainwater-Friend"
|
|
},
|
|
"sigma_eta": 4.6445e-10,
|
|
"sigma_eta_units": "m"
|
|
}
|
|
}
|
|
} |