192 lines
7.2 KiB
Plaintext
192 lines
7.2 KiB
Plaintext
R404A !Short name
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404A-404A !CAS number
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44% R125/4% R134a/52% R143a !Full name
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R404A !Chemical formula
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R404A !Synonym
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97.6038 !Molar mass [g/mol]
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200.0 !Triple point temperature [K]
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226.93 !Normal boiling point [K]
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345.270 !Critical temperature [K]
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3734.8 !Critical pressure [kPa]
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4.94 !Critical density [mol/L]
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0.293 !Acentric factor
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-1. !Dipole moment [Debye]
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IIR !Default reference state
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10.0 !Version number
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???? !UN Number :UN:
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halocb !Family :Family:
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???? !Heating value (upper) at 25 C [kJ/mol] (ISO 6976:2016) :Heat:
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???? !IUPAC Int. Chemical Identifier :InChi:
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???? !InChi Key :InChiKey:
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???? !Alternative fluid for mixing rules :AltID:
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404a404a !Hash number from InChI Key :Hash:
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! compiled by E.W. Lemmon, NIST Physical and Chemical Properties Division, Boulder, Colorado
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! 11-14-02 EWL, original version
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________________________________________________________________________________
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#EOS !---Equation of state---
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FEQ !Helmholtz equation of state for R-404A of Lemmon (2003).
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:DOI: 10.1023/A:1025048800563
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Lemmon, E.W.,
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? "Pseudo Pure-Fluid Equations of State for the Refrigerant Blends R-410A,
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? R-404A, R-507A, and R-407C,"
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? Int. J. Thermophys., 24(4):991-1006, 2003. doi: 10.1023/A:1025048800563
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?
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?The estimated uncertainty of density values calculated with the
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? equation of state is 0.1%. The estimated uncertainty of calculated
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? heat capacities and speed of sound values is 0.5%. Uncertainties of
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? bubble and dew point pressures are 0.5%.
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?
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!```````````````````````````````````````````````````````````````````````````````
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200.0 !Lower temperature limit [K]
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500.0 !Upper temperature limit [K]
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50000.0 !Upper pressure limit [kPa]
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14.21 !Maximum density [mol/L]
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CPP !Pointer to Cp0 model
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97.6038 !Molar mass [g/mol]
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200.0 !Triple point temperature [K]
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22.65 !Pressure at triple point [kPa]
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14.21 !Density at triple point [mol/L]
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226.93 !Normal boiling point temperature [K]
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0.293 !Acentric factor
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345.27 3734.8 4.94 !Tc [K], pc [kPa], rhoc [mol/L]
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345.27 4.94 !Reducing parameters [K, mol/L]
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8.314472 !Gas constant [J/mol-K]
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22 4 0 0 0 0 0 0 0 0 0 0 !# terms and # coefs/term for normal terms, Gaussian terms, and Gao terms
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6.10984 0.67 1. 0. !a(i),t(i),d(i),l(i)
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-7.79453 0.91 1. 0.
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0.0183377 5.96 1. 0.
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0.26227 0.7 2. 0.
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-0.00351688 6.0 2. 0.
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0.0116181 0.3 4. 0.
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0.00105992 0.7 6. 0.
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0.850922 1.7 1. 1.
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-0.520084 3.3 1. 1.
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-0.0464225 7.0 1. 1.
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0.62119 2.05 2. 1.
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-0.195505 4.3 2. 1.
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0.336159 2.7 3. 1.
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-0.0376062 1.8 4. 1.
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-0.00636579 1.25 7. 1.
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-0.0758262 12.0 2. 2.
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-0.0221041 6.0 3. 2.
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0.0310441 8.7 4. 2.
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0.0132798 11.6 4. 2.
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0.0689437 13.0 2. 3.
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-0.0507525 17.0 3. 3.
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0.0161382 16.0 5. 3.
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#AUX !---Auxiliary function for Cp0
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CPP !Ideal gas heat capacity function for R404A of Lemmon (2003).
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Lemmon, E.W.
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?
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!```````````````````````````````````````````````````````````````````````````````
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0. !
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10000. !
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0. !
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0. !
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1.0 8.314472 !Reducing parameters for T, Cp0
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1 3 0 0 0 0 0 !Nterms: polynomial, exponential, cosh, sinh
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1.2744 0.3
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0.63078 413.0
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3.5979 804.0
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5.0335 1727.0
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#AUX !---Auxiliary function for PH0
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PH0 !Ideal gas Helmholtz form for R404A.
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Lemmon, E.W.
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?
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!```````````````````````````````````````````````````````````````````````````````
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0. !
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10000. !
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0. !
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0. !
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1 3 3 0 0 0 0 0 !Nterms: ai*log(tau**ti); ai*tau**ti; ai*log(1-exp(bi*tau))
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-1.0 1.0 !ai, ti for [ai*log(tau**ti)] terms
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7.00407 0.0 !aj, ti for [ai*tau**ti] terms
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7.98695 1.0
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-18.8664 -0.3
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0.63078 -1.19617 !aj, ti for [ai*log(1-exp(ti*tau)] terms
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3.5979 -2.32861
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5.0335 -5.00188
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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#STN !---Surface tension---
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ST1 !Surface tension model for R404A of Lemmon (2003).
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Lemmon, E.W., preliminary equation, 2003.
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?
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!```````````````````````````````````````````````````````````````````````````````
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0. !
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10000. !
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0. !
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0. !
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2 !Number of terms in surface tension model
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345.27 !Critical temperature used in fit (dummy)
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0.06868 1.3142 !Sigma0 and n
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-0.04576 2.3084
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#PS !---Vapor pressure---
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PS5 !Vapor pressure equation for R404A of Lemmon (2003)
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Functional Form: P=Pc*EXP[SUM(Ni*Theta^ti)*Tc/T] where Theta=1-T/Tc, Tc and Pc
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? are the reducing parameters below, which are followed by rows containing Ni and ti.
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?
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!```````````````````````````````````````````````````````````````````````````````
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0. !
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10000. !
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0. !
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0. !
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345.270 3734.8 !Reducing parameters
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4 0 0 0 0 0 !Number of terms in equation
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-0.00026863 0.1
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-6.5757 0.972
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-4.1802 3.8
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-7.9102 9.0
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#PL !---Liquid pressure---
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PL5 !Liquid pressure equation for R404A of Lemmon (2003)
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Functional Form: P=Pc*EXP[SUM(Ni*Theta^ti)*Tc/T] where Theta=1-T/Tc, Tc and Pc
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? are the reducing parameters below, which are followed by rows containing Ni and ti.
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?
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!```````````````````````````````````````````````````````````````````````````````
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0. !
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10000. !
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0. !
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0. !
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345.270 3734.8 !Reducing parameters
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4 0 0 0 0 0 !Number of terms in equation
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0.061067 0.54
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-6.5646 0.965
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-3.6162 3.7
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-3.9771 9.0
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@END
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