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CoolProp/dev/fluids/MD4M.json
Ian Bell 60f9cb6614 Updated minimum saturation temperature state points 
Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
2014-11-29 17:32:49 -05:00

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{
"ALIASES": [
"Tetradecamethylhexasiloxane",
"TETRADECAMETHYLHEXASILOXANE"
],
"ANCILLARIES": {
"hL": {
"A": [
-544250.2202360317,
965.6035089585127,
2.264812581766132,
-0.01147542041726315,
2.7997192545279762e-05,
-4.231112712736397e-08,
3.441107088963849e-11,
-1.1697595954974486e-14
],
"B": [
1,
-0.0015184648009063104
],
"Tmax": 653.1,
"Tmin": 300.0,
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 590.0050996788341,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"hLV": {
"A": [
-7147.084639167934,
2092.362911440379,
-18.055896034142947,
0.07303314369003591,
-0.00016939308317971891,
2.3077290045234083e-07,
-1.7248898999131837e-10,
5.4862026215761385e-14
],
"B": [
1,
-0.0015136731306527513
],
"Tmax": 653.1,
"Tmin": 300.0,
"_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy",
"max_abs_error": 1630.7447667902306,
"max_abs_error_units": "J/mol",
"type": "rational_polynomial"
},
"pL": {
"T_r": 653.2,
"Tmax": 653.1999999999987,
"Tmin": 300.0,
"description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.05180314650858886,
"n": [
0.0015071534393996235,
-9.893122006817906,
5.185077005280204,
-11.792071053769893,
-19.9746561375169,
17.061168452194554
],
"reducing_value": 877000.0,
"t": [
0.125,
0.991,
1.833,
2.613,
6.567,
7.481
],
"type": "pL",
"using_tau_r": true
},
"pV": {
"T_r": 653.2,
"Tmax": 653.1999999999987,
"Tmin": 300.0,
"description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 0.2079082094630813,
"n": [
-8.820757645392687,
-0.6127877907019101,
-26.27913889220715,
82.26487645325933,
-215.38757534143105,
3331.0966160078788
],
"reducing_value": 877000.0,
"t": [
0.966,
2.034,
4.287,
6.824,
9.507,
17.511
],
"type": "pV",
"using_tau_r": true
},
"rhoL": {
"T_r": 653.2,
"Tmax": 653.1999999999987,
"Tmin": 300.0,
"description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
"max_abserror_percentage": 1.555158530110734,
"n": [
0.4199342334140303,
3.429189550022302,
-1.2153016662432385,
531.3835498635794,
-2384171.350540733,
2608505.566671457
],
"reducing_value": 606.0605999999999,
"t": [
0.108,
0.596,
0.925,
11.068,
18.766,
18.948
],
"type": "rhoLnoexp",
"using_tau_r": false
},
"rhoV": {
"T_r": 653.2,
"Tmax": 653.1999999999987,
"Tmin": 300.0,
"description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
"max_abserror_percentage": 2.5748730719093893,
"n": [
0.08238189107832351,
-2.7968804624045727,
-5.583554214981622,
-20.6920569486233,
43.02594538959137,
-1155.2598160559462
],
"reducing_value": 606.0605999999999,
"t": [
0.153,
0.35,
0.973,
4.373,
8.956,
18.867
],
"type": "rhoV",
"using_tau_r": true
},
"sL": {
"A": [
-1971.7365486774254,
10.161431313360508,
-0.02964674176579308,
6.647828025257365e-05,
-1.026138268350609e-07,
9.565016858030363e-11,
-4.785168177207534e-14,
9.432689078867096e-18
],
"B": [
1,
-0.0015180864453242366
],
"Tmax": 653.1,
"Tmin": 300.0,
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 0.9202125338124603,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
},
"sLV": {
"A": [
2019.3149443198322,
-17.926315473445882,
0.07443208388732933,
-0.00017864954794084002,
2.5626475804235805e-07,
-2.0998768750628712e-10,
8.379474709581161e-14,
-9.235667017638033e-18
],
"B": [
1,
-0.001512882797189586
],
"Tmax": 653.1,
"Tmin": 300.0,
"_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy",
"max_abs_error": 2.554095511975399,
"max_abs_error_units": "J/mol/K",
"type": "rational_polynomial"
},
"surface_tension": {
"BibTeX": "Mulero-JPCRD-2014",
"Tc": 653.2,
"a": [
0.040798
],
"description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
"n": [
1.3323
]
}
},
"CAS": "107-52-8",
"EOS": [
{
"BibTeX_CP0": "",
"BibTeX_EOS": "Colonna-FPE-2006",
"STATES": {
"hs_anchor": {
"T": 718.5200000000001,
"T_units": "K",
"hmolar": 200661.8193872904,
"hmolar_units": "J/mol",
"p": 1706765.5807996986,
"p_units": "Pa",
"rhomolar": 560.1212459999996,
"rhomolar_units": "mol/m^3",
"smolar": 318.623193345212,
"smolar_units": "J/mol/K"
},
"reducing": {
"T": 653.2,
"T_units": "K",
"hmolar": 131258.55136871376,
"hmolar_units": "J/mol",
"p": 877470,
"p_units": "Pa",
"rhomolar": 622.3569399999996,
"rhomolar_units": "mol/m^3",
"smolar": 219.42659313637026,
"smolar_units": "J/mol/K"
},
"sat_min_liquid": {
"T": 300.0,
"T_units": "K",
"hmolar": -192165.5411667038,
"hmolar_units": "J/mol",
"p": 1.0933766955010495,
"p_units": "Pa",
"rhomolar": 1914.3670674385771,
"rhomolar_units": "mol/m^3",
"smolar": -467.0281947611479,
"smolar_units": "J/mol/K"
},
"sat_min_vapor": {
"T": 300.0,
"T_units": "K",
"hmolar": -114535.48031775118,
"hmolar_units": "J/mol",
"p": 1.0933769537010591,
"p_units": "Pa",
"rhomolar": 0.00043834773808224334,
"rhomolar_units": "mol/m^3",
"smolar": -208.26132526585843,
"smolar_units": "J/mol/K"
}
},
"T_max": 673,
"T_max_units": "K",
"Ttriple": 214.15,
"Ttriple_units": "K",
"accentric": 0.8246471472642924,
"accentric_units": "-",
"alpha0": [
{
"a1": -8.139550790894862,
"a2": 8.769441336438911,
"type": "IdealGasHelmholtzLead"
},
{
"a": -1,
"type": "IdealGasHelmholtzLogTau"
},
{
"T0": 532.723355998617,
"Tc": 653.2,
"cp_over_R": -2.41398371417933,
"type": "IdealGasHelmholtzCP0Constant"
},
{
"T0": 532.723355998617,
"Tc": 653.2,
"c": [
0.268026640777671,
-0.000157724988429812,
3.44219091723443e-08
],
"t": [
1,
2,
3
],
"type": "IdealGasHelmholtzCP0PolyT"
}
],
"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": [
1.18492421,
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-0.06571351,
-0.61812689,
0.19535804,
0.0005067874,
1.23544082,
0.049462708,
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-0.19991438,
-0.055118673,
0.028325885
],
"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"
}
],
"gas_constant": 8.314472,
"gas_constant_units": "J/mol/K",
"molar_mass": 0.45899328,
"molar_mass_units": "kg/mol",
"p_max": 30000000,
"p_max_units": "Pa",
"pseudo_pure": false
}
],
"NAME": "MD4M",
"REFPROP_NAME": "MD4M",
"STATES": {
"critical": {
"T": 653.2,
"T_units": "K",
"p": 877000.0,
"p_units": "Pa",
"rhomolar": 606.0605999999999,
"rhomolar_units": "mol/m^3"
},
"triple_liquid": {
"T": 300.0,
"T_units": "K",
"hmolar": -192165.5411667038,
"hmolar_units": "J/mol",
"p": 1.0933766955010495,
"p_units": "Pa",
"rhomolar": 1914.3670674385771,
"rhomolar_units": "mol/m^3",
"smolar": -467.0281947611479,
"smolar_units": "J/mol/K"
},
"triple_vapor": {
"T": 300.0,
"T_units": "K",
"hmolar": -114535.48031775118,
"hmolar_units": "J/mol",
"p": 1.0933769537010591,
"p_units": "Pa",
"rhomolar": 0.00043834773808224334,
"rhomolar_units": "mol/m^3",
"smolar": -208.26132526585843,
"smolar_units": "J/mol/K"
}
}
}
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