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https://github.com/CoolProp/CoolProp.git
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741 lines
17 KiB
JSON
741 lines
17 KiB
JSON
{
|
|
"ALIASES": [
|
|
"nButane",
|
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"butane",
|
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"BUTANE",
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"N-BUTANE"
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],
|
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"ANCILLARIES": {
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|
"hL": {
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|
"A": [
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|
-65886.41597851239,
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194.0320081006785,
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0.7618406833394283,
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|
-0.007238621356846148,
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|
2.9755426506520465e-05,
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|
-7.011782613907154e-08,
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|
8.837069342009507e-11,
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|
-4.707537920400538e-14
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|
],
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|
"B": [
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1,
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-0.0023293055572433954
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],
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"Tmax": 425.025,
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|
"Tmin": 134.895,
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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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|
"max_abs_error": 314.0391481339266,
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|
"max_abs_error_units": "J/mol",
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|
"type": "rational_polynomial"
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|
},
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"hLV": {
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"A": [
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30829.39902734273,
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35.26287922211559,
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-2.2704609326224827,
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0.01756157612833266,
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-7.263584595127676e-05,
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|
1.7187285471377152e-07,
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-2.1985442762409518e-10,
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|
1.1914363248919687e-13
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],
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"B": [
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1,
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-0.002326410836443862
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],
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"Tmax": 425.025,
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|
"Tmin": 134.895,
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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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"max_abs_error": 731.8147350107515,
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|
"max_abs_error_units": "J/mol",
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"type": "rational_polynomial"
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},
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"melting_line": {
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|
"BibTeX": "Buecker-JPCRD-2006B",
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|
"T_m": 135.23,
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|
"parts": [
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{
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|
"T_0": 134.895,
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|
"T_max": 163.9,
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|
"T_min": 134.895,
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"a": [
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558558236.4
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],
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"p_0": 0.653,
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"t": [
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2.206
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]
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}
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],
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"type": "polynomial_in_Tr"
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},
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|
"pL": {
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|
"T_r": 425.125,
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|
"Tmax": 425.124999999999,
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|
"Tmin": 134.895,
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|
"description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
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|
"max_abserror_percentage": 0.02500890020828983,
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"n": [
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-5.805352213973263,
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-11.51448089471748,
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18.238781113551752,
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-7.570052478022171,
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-1.4755071099444654,
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-1.328641564172384
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],
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"reducing_value": 3796000.0,
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"t": [
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0.978,
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1.371,
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1.499,
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1.748,
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4.108,
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4.752
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],
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"type": "pL",
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"using_tau_r": true
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},
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"pV": {
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|
"T_r": 425.125,
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|
"Tmax": 425.124999999999,
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|
"Tmin": 134.895,
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|
"description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
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|
"max_abserror_percentage": 0.02366371569104686,
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"n": [
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|
0.06986482880463143,
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-6.689091326409199,
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4.774874567188075,
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-5.7054710938841655,
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1.8437119133933968,
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-3.735372218319482
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],
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"reducing_value": 3796000.0,
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"t": [
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0.743,
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0.984,
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1.886,
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2.16,
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3.286,
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|
4.231
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],
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"type": "pV",
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"using_tau_r": true
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},
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"rhoL": {
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"T_r": 425.125,
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"Tmax": 425.124999999999,
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"Tmin": 134.895,
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"description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
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"max_abserror_percentage": 0.21170510433432543,
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"n": [
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7.6544950329552,
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-16.928503641708495,
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14.176327512939299,
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-2.3511736019127136,
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5.431931351600508,
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-13.286388570143172
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],
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"reducing_value": 3922.7696129878086,
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"t": [
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0.501,
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0.742,
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0.917,
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1.387,
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9.328,
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|
12.623
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],
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"type": "rhoLnoexp",
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|
"using_tau_r": false
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},
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"rhoV": {
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"T_r": 425.125,
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"Tmax": 425.124999999999,
|
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"Tmin": 134.895,
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"description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
|
|
"max_abserror_percentage": 1.1838723681035446,
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"n": [
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-3.756767939636941,
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-2.819084986331516,
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2.3817493893256763,
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-27.835034497609627,
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409.95394459399324,
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-539.2138907428523
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],
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"reducing_value": 3922.7696129878086,
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"t": [
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|
0.448,
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|
1.717,
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|
4.443,
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|
7.472,
|
|
13.095,
|
|
14.725
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],
|
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"type": "rhoV",
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"using_tau_r": true
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},
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"sL": {
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"A": [
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-394.4518793046988,
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|
3.7459785836920694,
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-0.020681359554898613,
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8.03582482625795e-05,
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|
-2.0496683506579566e-07,
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3.2044071783328733e-10,
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-2.783738518903021e-13,
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1.0119459735951263e-16
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|
],
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"B": [
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1,
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-0.002327232686316588
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],
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"Tmax": 425.025,
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"Tmin": 134.895,
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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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"max_abs_error": 0.7816684690278102,
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"max_abs_error_units": "J/mol/K",
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"type": "rational_polynomial"
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},
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"sLV": {
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"A": [
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|
1077.4527890640188,
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-17.32971202096554,
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|
0.13927215986633712,
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-0.0006744492928162153,
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2.03727132123387e-06,
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-3.7623477704667074e-09,
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|
3.890974502452121e-12,
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|
-1.725666636216928e-15
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],
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"B": [
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1,
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|
-0.0023087652909098734
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|
],
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|
"Tmax": 425.025,
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|
"Tmin": 134.895,
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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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"max_abs_error": 2.255712442154347,
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"max_abs_error_units": "J/mol/K",
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"type": "rational_polynomial"
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},
|
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"surface_tension": {
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"BibTeX": "Mulero-JPCRD-2012",
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"Tc": 425.125,
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"a": [
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0.05138
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],
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"description": "sigma = sum(a_i*(1-T/Tc)^n_i)",
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"n": [
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1.209
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]
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}
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},
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"CAS": "106-97-8",
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"ENVIRONMENTAL": {
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"ASHRAE34": "A3",
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"FH": 4,
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"GWP100": 3.0,
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"GWP20": -1.0,
|
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"GWP500": -1.0,
|
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"HH": 1,
|
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"Name": "n-Butane",
|
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"ODP": -1.0,
|
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"PH": 0
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|
},
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"EOS": [
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{
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|
"BibTeX_CP0": "",
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|
"BibTeX_EOS": "Buecker-JPCRD-2006B",
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|
"STATES": {
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|
"hs_anchor": {
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|
"T": 467.63750000000005,
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|
"T_units": "K",
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|
"hmolar": 47861.671413925265,
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|
"hmolar_units": "J/mol",
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|
"p": 6189994.4837319525,
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"p_units": "Pa",
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"rhomolar": 3530.492651689028,
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"rhomolar_units": "mol/m^3",
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"smolar": 152.79309067928807,
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"smolar_units": "J/mol/K"
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},
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"reducing": {
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"T": 425.125,
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"T_units": "K",
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"hmolar": 40337.78928854941,
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"hmolar_units": "J/mol",
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"p": 3796000,
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"p_units": "Pa",
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"rhomolar": 3922.769612987809,
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"rhomolar_units": "mol/m^3",
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|
"smolar": 137.36140769025366,
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"smolar_units": "J/mol/K"
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},
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"sat_min_liquid": {
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|
"T": 134.895,
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"T_units": "K",
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"hmolar": -5220.749887455425,
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"hmolar_units": "J/mol",
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"p": 0.6656573875403293,
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"p_units": "Pa",
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"rhomolar": 12645.062133275143,
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"rhomolar_units": "mol/m^3",
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"smolar": -27.033334124053827,
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"smolar_units": "J/mol/K"
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},
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"sat_min_vapor": {
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"T": 134.895,
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"T_units": "K",
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"hmolar": 23603.753385951088,
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"hmolar_units": "J/mol",
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"p": 0.6656588871711283,
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"p_units": "Pa",
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"rhomolar": 0.0005935026998216393,
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"rhomolar_units": "mol/m^3",
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"smolar": 186.64770129910008,
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"smolar_units": "J/mol/K"
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}
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},
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"T_max": 340,
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"T_max_units": "K",
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"Ttriple": 134.895,
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"Ttriple_units": "K",
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"accentric": 0.200810094644,
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"accentric_units": "-",
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"alpha0": [
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{
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"a1": 12.54882924,
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"a2": -5.46976878,
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"type": "IdealGasHelmholtzLead"
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},
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{
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"a": 3.24680487,
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"type": "IdealGasHelmholtzLogTau"
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},
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{
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"n": [
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5.54913289,
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11.4648996,
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7.59987584,
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9.66033239
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],
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"t": [
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0.774840445,
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3.340602552,
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4.970513096,
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9.975553778
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],
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"type": "IdealGasHelmholtzPlanckEinstein"
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},
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{
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"a1": -17.9737888338978,
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"a2": 10.3892639083242,
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"reference": "IIR",
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"type": "IdealGasHelmholtzEnthalpyEntropyOffset"
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}
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],
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"alphar": [
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{
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"d": [
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1,
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2,
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3,
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4,
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1,
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7,
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8,
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3,
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5,
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5,
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10,
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2,
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6
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"l": [
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2,
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3,
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3
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"n": [
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"t": [
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0.5,
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0.75,
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2.5,
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2.5,
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1.5,
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1.5,
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4,
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7,
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3,
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7,
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3,
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1,
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6,
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0,
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6,
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13
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],
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"type": "ResidualHelmholtzPower"
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},
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{
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"beta": [
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150,
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200
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],
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"d": [
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1,
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2
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],
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"epsilon": [
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0.85,
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1
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],
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"eta": [
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10,
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10
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],
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"gamma": [
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1.16,
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1.13
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],
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"n": [
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-0.028390056949441,
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0.0014904666224681
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"type": "ResidualHelmholtzGaussian"
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}
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],
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"critical_region_splines": {
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|
"T_max": 425.125,
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|
"T_min": 425.1219732576174,
|
|
"_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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-1.6020493306008252e-10,
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1.133822562422527e-06,
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-0.0014996904947787396,
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423.23116044183894
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],
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"cV": [
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5.058796197557434e-11,
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-1.3472509771444817e-06,
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0.008234549282093268,
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410.50072741365295
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],
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"rhomolar_max": 3985.810039412961,
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"rhomolar_min": 3859.458487995192
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|
},
|
|
"gas_constant": 8.314472,
|
|
"gas_constant_units": "J/mol/K",
|
|
"molar_mass": 0.0581222,
|
|
"molar_mass_units": "kg/mol",
|
|
"p_max": 12000000,
|
|
"p_max_units": "Pa",
|
|
"pseudo_pure": false
|
|
}
|
|
],
|
|
"NAME": "n-Butane",
|
|
"REFPROP_NAME": "BUTANE",
|
|
"STATES": {
|
|
"critical": {
|
|
"T": 425.125,
|
|
"T_units": "K",
|
|
"p": 3796000.0,
|
|
"p_units": "Pa",
|
|
"rhomolar": 3922.7696129878086,
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"rhomolar_units": "mol/m^3"
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|
},
|
|
"triple_liquid": {
|
|
"T": 134.895,
|
|
"T_units": "K",
|
|
"hmolar": -5220.749887455425,
|
|
"hmolar_units": "J/mol",
|
|
"p": 0.6656573875403293,
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"p_units": "Pa",
|
|
"rhomolar": 12645.062133275143,
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"rhomolar_units": "mol/m^3",
|
|
"smolar": -27.033334124053827,
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|
"smolar_units": "J/mol/K"
|
|
},
|
|
"triple_vapor": {
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|
"T": 134.895,
|
|
"T_units": "K",
|
|
"hmolar": 23603.753385951088,
|
|
"hmolar_units": "J/mol",
|
|
"p": 0.6656588871711283,
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|
"p_units": "Pa",
|
|
"rhomolar": 0.0005935026998216393,
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|
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