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https://github.com/CoolProp/CoolProp.git
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717 lines
16 KiB
JSON
717 lines
16 KiB
JSON
{
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"ALIASES": [
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"isobutane",
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"Isobutane",
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"ISOBUTANE",
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"R600A",
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"R600a"
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],
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"ANCILLARIES": {
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"hL": {
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"A": [
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-58829.34158938623,
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170.5451796929163,
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0.6162711654306408,
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-0.0053018559436187425,
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2.0943523112936617e-05,
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-5.0332329315311905e-08,
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6.651481526074004e-11,
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-3.797381783161163e-14
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],
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"B": [
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1,
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-0.002421824472244289
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],
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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": 303.0532870873549,
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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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29860.67391574815,
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-6.670353030511229,
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-1.6393845888763268,
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0.013392367462910941,
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-5.8029757085730367e-05,
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1.4457295673686832e-07,
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-1.9569457108152776e-10,
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1.128629830081101e-13
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],
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"B": [
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1,
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-0.0024207623619944708
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],
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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": 703.6829473859673,
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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": 113.55,
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"parts": [
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{
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"T_0": 113.73,
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"T_max": 124.9,
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"T_min": 113.73,
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"a": [
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1953637130.9
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],
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"p_0": 0.0219,
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"t": [
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6.12
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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": 407.817,
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"Tmax": 407.81699999999915,
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"Tmin": 113.73000000000002,
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"description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
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"max_abserror_percentage": 0.025709437298837567,
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"n": [
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0.4893216106119911,
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-6.629467799666135,
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0.27190214385479383,
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-0.013142408151644676,
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-3.250782332365992,
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-0.43922387424664594
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],
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"reducing_value": 3629000.0,
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"t": [
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0.83,
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0.964,
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2.071,
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2.407,
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3.825,
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15.511
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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": 407.817,
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"Tmax": 407.81699999999915,
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"Tmin": 113.73000000000002,
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"description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))",
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"max_abserror_percentage": 0.019699846909193575,
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"n": [
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-48.02915589537987,
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43.34653680580028,
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-1.4421317283854331,
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-3.1322275225078413,
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5.203481182010376,
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-6.173022897817098
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],
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"reducing_value": 3629000.0,
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"t": [
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1.082,
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1.108,
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1.463,
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4.045,
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13.157,
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14.042
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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": 407.817,
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"Tmax": 407.81699999999915,
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"Tmin": 113.73000000000002,
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"description": "rho' = rhoc*(1+sum(n_i*theta^t_i))",
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"max_abserror_percentage": 0.26628224832738745,
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"n": [
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2.0418147224188545,
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0.4363922893974425,
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1.915261424521202,
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-2.1807762762122045,
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1.068664850362356,
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-6.816247938174933
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],
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"reducing_value": 3879.756788283995,
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"t": [
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0.356,
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0.824,
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3.142,
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3.696,
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6.863,
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18.441
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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": 407.817,
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"Tmax": 407.81699999999915,
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"Tmin": 113.73000000000002,
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"description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))",
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"max_abserror_percentage": 0.4922366156330571,
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"n": [
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-2.8656855559386294,
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0.7330458189287201,
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-4.254613288675131,
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2.9956235180226516,
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-5.671641417558254,
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0.14361022568133902
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],
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"reducing_value": 3879.756788283995,
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"t": [
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0.37,
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0.502,
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1.021,
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2.003,
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3.403,
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10.717
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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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-343.0315785084629,
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3.0682816312100214,
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-0.01632828350995562,
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6.602197691846063e-05,
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-1.8407331130955436e-07,
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3.2273113331974106e-10,
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-3.205767809115736e-13,
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1.358686041344578e-16
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],
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"B": [
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1,
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-0.002417095837950523
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],
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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": 0.8029163090499019,
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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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1116.4949820862637,
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-19.569418706926673,
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0.17278224442122414,
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-0.0009207053379985635,
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3.058212117538665e-06,
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-6.1998714249116026e-09,
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7.024193243467152e-12,
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-3.4072896284755546e-15
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],
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"B": [
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1,
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-0.0023698092291068932
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],
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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": 2.580887010861343,
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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": 407.81,
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"a": [
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-0.01639,
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0.06121
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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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2.102,
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1.304
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]
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}
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},
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"CAS": "75-28-5",
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"ENVIRONMENTAL": {
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"ASHRAE34": "UNKNOWN",
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"FH": 4,
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"GWP100": -1.0,
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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": "IsoButane",
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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": 448.59100000000007,
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"T_units": "K",
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"hmolar": 43954.80189350887,
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"hmolar_units": "J/mol",
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"p": 5887627.145751916,
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"p_units": "Pa",
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"rhomolar": 3491.7811094555955,
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"rhomolar_units": "mol/m^3",
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"smolar": 144.56354232987246,
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"smolar_units": "J/mol/K"
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},
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"reducing": {
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"T": 407.81,
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"T_units": "K",
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"p": 3629000,
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"p_units": "Pa",
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"rhomolar": 3879.756788283995,
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"rhomolar_units": "mol/m^3"
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},
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"sat_min_liquid": {
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"T": 113.73,
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"T_units": "K",
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"p": 2.2879446966082075e-05,
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"p_units": "Pa",
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"rhomolar": 12737.656182433244,
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"rhomolar_units": "mol/m^3"
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},
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"sat_min_vapor": {
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"T": 113.73,
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"T_units": "K",
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"p": 2.2879446966082075e-05,
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"p_units": "Pa",
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"rhomolar": 2.4195571571567102e-05,
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"rhomolar_units": "mol/m^3"
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}
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},
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"T_max": 575,
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"T_max_units": "K",
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"Ttriple": 113.73,
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"Ttriple_units": "K",
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"accentric": 0.183531783208,
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"accentric_units": "-",
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"alpha0": [
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{
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"type": "IdealGasHelmholtzLead"
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},
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{
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"a": 3.05956619,
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},
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{
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"n": [
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"t": [
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"type": "IdealGasHelmholtzPlanckEinstein"
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},
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{
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"a1": -17.6081648486994,
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"a2": 10.3134499204439,
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"reference": "IIR",
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"type": "IdealGasHelmholtzEnthalpyEntropyOffset"
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}
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"alphar": [
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"n": [
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"t": [
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"d": [
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"epsilon": [
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"eta": [
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"gamma": [
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"type": "ResidualHelmholtzGaussian"
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],
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"gas_constant": 8.314472,
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"gas_constant_units": "J/mol/K",
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"molar_mass": 0.0581222,
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"molar_mass_units": "kg/mol",
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"p_max": 35000000,
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"pseudo_pure": false
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}
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],
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"NAME": "IsoButane",
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"REFPROP_NAME": "ISOBUTAN",
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"STATES": {
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"critical": {
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"T": 407.817,
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},
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"p": 2.2879446966082075e-05,
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},
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"T": 113.73,
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"p": 2.2879446966082075e-05,
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"rhomolar_units": "mol/m^3"
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}
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},
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"TRANSPORT": {
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"conductivity": {
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"BibTeX": "Perkins-JCED-2002-Isobutane",
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"critical": {
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"GAMMA": 0.0496,
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"R0": 1.03,
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"gamma": 1.239,
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"qD": 1520540217.5,
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"type": "simplified_Olchowy_Sengers",
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"zeta0": 1.94e-10
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},
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"dilute": {
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"A": [
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-0.00237901,
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|
0.0106601,
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|
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],
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"B": [
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|
1.0
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],
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"T_reducing": 407.85,
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"T_reducing_units": "K",
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"m": [
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0
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],
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"n": [
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"type": "ratio_of_polynomials"
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},
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"residual": {
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],
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"T_reducing": 407.85,
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"T_reducing_units": "K",
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"d": [
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],
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"rhomass_reducing": 224.4,
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