340

P-PROPATH: Pure Substances and Mixtures with Fixed Composition

2.37 CFC-114(R114)
All equations for CFC-114(R114) are based on the Table from Japanese Association of Refrigeration [1].

2.37.1 Temperature Scale
International practical temperature scale 1968 (IPTS-1968)

2.37.2 The Names of Substance, Library File and Single Shot Program
Name of Substance:

Library File for UNIX:
Library File for DOS,Windows95/NT:
Single Shot Program for UNIX:
Single Shot Program for DOS,Windows95/NT:

CFC-114, R114,
Freon
114,
ﬂuoroethane
libjr114.a
JR114.LIB
r114-ss
R114–SS.EXE

Refrigerant 114,
1,2-Dichlorotetra-

2.37.3 Important Constants and Others
Molecular Formula:
Relative Molecular Mass:
Gas Constant:

CCF2 CCF2
170.92248.6445 J/(kg·K)

Critical Constants:
Critical Pressure:
Critical Temperature:
Critical Speciﬁc Volume:

3.248×10 6Pa (32.48 bar)
418.78 K (145.63 ◦ C)
1.7361×10 −3m3 /kg

Reference State:
At 0◦ C, 1.0000 kJ/(kg·K) and 200.00 kJ/kg are assigned to the speciﬁc entropy and the speciﬁc enthalpy ofsaturated liquid, respectively.

2.37.4 Formula
Equation of State:
Equation (II·2·1) in a function from of Z = Z(ρ, T ) in reference [1]. Here Z=compressibility, ρ=density andT = temperature.
Vapor Pressure:
Equation (II·2·18) in reference [1].
Properties at Vapor-Liquid Equilibrium:saturated liquid: Equations (II·2·3), (II·2·8), (II·2·15) and (II·2·19) for speciﬁc volume, speciﬁc enthalpy, speciﬁc
entropy and isobaric speciﬁc heat, respectively.
saturated vapor: Equations (II·2·18) and (II·2·1) for speciﬁc volume (II·2·18) and (II·2·6) for speciﬁc enthalpyand (II·2·25) for isobaric speciﬁc heat. Equation (II·2·30) for isochoric speciﬁc heat.
All of these equations have been cited from reference [1].
Transport Properties:
Equations (II·3·6) and (II·3·1) in reference [1] for thermal conductivity and dynamic viscosity of saturated
liquid, respectively. However the 1st term in the right hand side of (II·3·1) has been corrected as 635392/T 2.
Equations (II·3·8) and (II·3·3) in reference [1] for thermal conductivity of vapor and dynamic viscosity at theCFC-114(R114)

341

atmospheric pressure, respectively. Equations (II·3·4) in reference [1] for dynamic viscosity of superheated vapor.

The Other Properties:
Equation (II·2·38) in reference [1] for surface tension.

References[1] Japanese Association of Refrigeration, Thermophysical Properties of Refrigerants (R114, 1,2-Dichlorotetraﬂuoroethane), (1986).

342

P-PROPATH: Pure Substances and Mixtures with Fixed Composition
Table II–2.37–1 CFC-114 (R114) Function

No.
1
94
8A
8B
82

Name of
Function
AIPPT(P,T)
AJTPT(P,T)
AKPD(P)AKPDD(P)AKPT(P,T)

Function and Argument(s)AKPT: Isentropic Exponent [–]P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

Range of Argument(s)1.369×103 ≤P≤PST(310K) [Pa]TSP(P)≤T≤510 [K]
PST(310K)<P≤11×106 [Pa]TPV(P,0.7×10−3 m3 /kg)
≤T≤510 [K]
0.01369≤P≤PST(36.85◦ C) [bar]TSP(P)≤T≤236.85 [◦ C]
PST(36.85◦ C)<P≤110 [bar]
TPV(P,0.7×10−3 m3 /kg)≤T≤236.85 [◦ C]
see Fig.II-2.37-1

8C
8D
2

AKTD(T)
AKTDD(T)
ALAPP(P)3

ALAPT(T)4

ALHP(P)

5

ALHT(T)

6

ALMPD(P)7

ALMPDD(P)8

ALMPT(P,T)

9

ALMTD(T)10

ALMTDD(T)11

AMUPD(P)12
13

AMUPDD(P)AMUPT(P,T)

ALAPP: Laplace Coeﬃcient [m]P∗: Pressure [Pa], [bar]
ALAPT: Laplace Coeﬃcient [m]T∗: Temperature [K], [◦C]
ALHP: Latent Heat of Vaporization [J/kg]
P∗: Pressure [Pa], [bar]ALHT: Latent Heat of Vaporization [J/kg]
T∗: Temperature [K], [◦C]
ALMPD: Thermal Conductivity of Saturated
Liquid [W/(m·K)]
P∗: Pressure [Pa], [bar]
ALMPDD: Thermal Conductivity of Saturated
Vapor [W/(m·K)]
T∗: Temperature [K], [◦C]
ALMPT: Thermal Conductivity at Ordinary
Pressure [W/(m·K)]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]
ALMTD: Thermal Conductivity of Saturated
Liquid [W/(m·K)]
T∗: Temperature [K], [◦ C]
ALMTDD: Thermal Conductivity of Saturated
Vapor [W/(m·K)]
T∗: Temperature [K], [◦C]
AMUPD: Coeﬃcient of Viscosity of Saturated
Liquid [Pa·s]
P∗: Pressure [Pa], [bar]1.369×103 ≤P<3.248×106 [Pa]0.01369≤P<32.48 [bar]200≤T<418.78 [K]−73.15≤T<145.63 [◦ C]
1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
1.369×103 ≤P≤1.889×106 [Pa]0.01369≤P≤18.89 [bar]

AMUPT: Coeﬃcient of Viscosity [Pa·s]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

0.1×106 ≤P≤4.4×106 [Pa]298.15≤T≤473.15 [K]3.3333×10−3 <V(P,T) [m3 /kg]

1.637×105≤P≤2.111×106 [Pa]1.637≤P≤21.11 [bar]P=Dummy290≤T≤394 [K]0.85≤T≤120.85 [◦ C]
180≤T≤388 [K]−53.15≤T≤114.85 [◦ C]
290≤T≤394 [K]16.85≤T≤120.85 [◦ C]
PST(210K)≤P≤PST(398K) [Pa](∼2.96×103 )(∼2.269×106 )◦PST(−63.15 C)≤P≤PST(124.85◦ C)(∼0.0296)(∼22.69) [bar]1.0≤P≤44 [bar]25≤T≤200 [◦ C]

CFC-114(R114)

343
Table II–2.37–1 CFC-114 (R114) Function (cont’d)

No.
14

Name of
Function
AMUTD(T)

15
92
90
91
93
16

AMUTDD(T)BPPT(P,T)
BSPT(P,T)
BTPT(P,T)
BVPT(P,T)
CPPD(P)

17

CPPDD(P)18

CPPT(P,T)

19

CPTD(T)

20

CPTDD(T)21

CRP(‘A’)

7A
76

CVPD(P)
CVPDD(P)77

CVPT(P,T)

Function and Argument(s)Range of Argument(s)AMUTD: Coeﬃcient of Viscosity of Saturated
Liquid [Pa·s]
T∗: Temperature [K], [◦ C]

210≤T≤398 [K]−63.15≤T≤124.85 [◦ C]

CPPD: Isobaric Speciﬁc Heat of Saturated
Liquid [J/(kg·K)]
P∗: Pressure [Pa], [bar]
CPPDD: Isobaric Speciﬁc Heat of Saturated
Vapor [J/(kg·K)]
P∗: Pressure [Pa], [bar]CPPT: Isobaric Speciﬁc Heat [J/(kg·K)]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

1.369×103 ≤P≤0.2×106 [Pa]0.01369≤P≤2 [bar]CPTD: Isobaric Speciﬁc Heat of Saturated
Liquid [J/(kg·K)]
T∗: Temperature [K], [◦ C]
CPTDD: Isobaric Speciﬁc Heat of Saturated
Vapor [J/(kg·K)]
T∗: Temperature [K], [◦ C]
CRP: Critical Constants
H: ‘A’=‘H’: 0.3829×106 [J/kg] Speciﬁc EnthalpyP∗: ‘A’=‘P’: 3.248×106 [Pa], 32.48 [bar] Pressure
S: ‘A’=‘S’: 1.512×103 [J/(kg·K)] Speciﬁc EntropyT∗: ‘A’=‘T’: 418.78[K], 145.63 [◦C] Temperature
V: ‘A’=‘V’: 1.7361×10−3 [m3 /kg] Speciﬁc Volume
CVPDD: Isochoric Speciﬁc Heat of Saturated
Vapor [J/(kg·K)]
P∗: Pressure [Pa], [bar]CVPT: Isochoric Speciﬁc Heat [J/(kg·K)]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

1.369×103 ≤P<3.248×106 [Pa]0.01369≤P<32.48 [bar]1.369×103 ≤P≤PST(310K) [Pa]TSP(P)≤T≤510 [K]
PST(310K)<P≤11×106 [Pa]TPV(P,0.7×10−3 m3 /kg)
≤T≤510 [K]
0.01369≤P≤PST(36.85◦ C) [bar]TSP(P)≤T≤236.85 [◦ C]
PST(36.85◦ C)<P≤110 [bar]
TPV(P,0.7×10−3 m3 /kg)≤T≤236.85 [◦ C]
see Fig.II-2.37-1
182≤T≤296 [K]−91.15≤T≤22.85 [◦ C]
200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
one of ‘H’, ‘P’, ‘S’, ‘T’ and ‘V’

1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]1.369×103 ≤P≤PST(310K) [Pa]TSP(P)≤T≤510 [K]
PST(310K)<P≤11×106 [Pa]TPV(P,0.7×10−3 m3 /kg)
≤T≤510 [K]
0.01369≤P≤PST(36.85◦ C) [bar]TSP(P)≤T≤236.85 [◦ C]
PST(36.85◦ C)<P≤110 [bar]
TPV(P,0.7×10−3 m3 /kg)≤T≤236.85 [◦ C]
see Fig.II-2.37-1

7B
78

CVTD(T)
CVTDD(T)CVTDD: Isochoric Speciﬁc Heat of Saturated
Vapor [J/(kg·K)]
T∗: Temperature [K], [◦ C]

200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]

344

P-PROPATH: Pure Substances and Mixtures with Fixed Composition
Table II–2.37–1 CFC-114 (R114) Function (cont’d)

No.
2A
2B
22
2C
2D
89

Name of
Function
EPSPD(P)EPSPDD(P)EPSPT(P,T)
EPSTD(T)EPSTDD(T)FC(‘A’)

9A
96
95
9B
97
23

GAMPD(P)GAMPDD(P)GAMPT(P,T)
GAMTD(T)GAMTDD(T)HPD(P)

24

HPDD(P)71

HPS(P,S)

25

HPT(P,T)

26

HPX(P,X)

27

HTD(T)28

HTDD(T)

29

HTX(T,X)

84

IDENTF(‘A’)

66
68
85

PLDT(T)
PMLT(T)
PRPD(P)

86
81

PRPDD(P)
PRPT(P,T)

87

PRTD(T)

88
99
30

PRTDD(T)PSBT(T)
PST(T)

Function and Argument(s)Range of Argument(s)FC: Fundamental Constants
M: ‘A’=‘M’: 170.922 Relative Molecular Mass
R: ‘A’=‘R’: 48.6445 [J/(kg·K)] Gas Constant

one of ‘M’ and ‘R’

HPD: Speciﬁc Enthalpy of Saturated Liquid [J/kg]
P∗: Pressure [Pa], [bar]HPDD: Speciﬁc Enthalpy of Saturated Vapor [J/kg]
P∗: Pressure [Pa], [bar]HPS: Speciﬁc Enthalpy [J/kg]
P∗: Pressure [Pa], [bar]S: Speciﬁc Entropy [J/(kg·K)]
HPT: Speciﬁc Enthalpy [J/kg]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]1.369×103 ≤P≤11×106 [Pa]0.01369≤P≤110 [bar]see Fig.II-2.37-4 for S
1.369×103 ≤P≤11×106 [Pa]200≤T≤510 [K]

HPX: Speciﬁc Enthalpy of Mixture [J/kg]
P∗: Pressure [Pa], [bar]
X: Dryness Fraction [–]HTD: Speciﬁc Enthalpy of Saturated Liquid [J/kg]
T∗: Temperature [K], [◦ C]
HTDD: Speciﬁc Enthalpy of Saturated Vapor [J/kg]
T∗: Temperature [K], [◦ C]
HTX: Speciﬁc Enthalpy of Mixture [J/kg]
T∗: Temperature [K], [◦ C]
X: Dryness Fraction [–]IDENTF: CHARACTER TYPE FUNCTION
for Package Identiﬁcation (Length 20)
C: ‘A’=‘C’: ‘CCLF2CCLF2’ Molecular Formula
S: ‘A’=‘S’: ‘CFC-114(R114)’ Name of Substance
V: ‘A’=‘V’: ‘10.1’ Version Number

0.01369≤P≤110 [bar]−73.15≤T≤236.85 [◦ C]
see Fig.II-2.37-1
1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]0≤X≤1.0 [–]200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
0≤X≤1.0 [–]one of ‘C’, ‘S’ and ‘V’

PRPD: Prandtl Number of Saturated Liquid [–]P∗: Pressure [Pa], [bar]2.96×103 ≤P≤1.889×106 [Pa]0.0296≤P≤18.89 [bar]

PRPT: Prandtl Number at Ordinary Pressure [–]P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]
PRTD: Prandtl Number of Saturated Liquid [–]T∗: Temperature [K], [◦ C]

P=Dummy290≤T≤394 [K]0.85≤T≤120.85 [◦ C]
210≤T≤388 [K]−63.15≤T≤114.85 [◦ C]

PST∗: Saturation Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]

CFC-114(R114)

345
Table II–2.37–1 CFC-114 (R114) Function (cont’d)

No.
72
73
31

Name of
Function
PSTD(T)
PSTDD(T)SIGP(P)

32

SIGT(T)

33

SPD(P)34

SPDD(P)35

SPT(P,T)36

SPX(P,X)

37

STD(T)38

STDD(T)

39

STX(T,X)

67
69
64

TLDP(P)
TMLP(P)
TPH(P,H)

6H
65

TPH2(P,H)
TPS(P,S)

6S
98
70

TPS2(P,S)TPSEUP(P)TPV(P,V)

Function and Argument(s)SIGP: Surface Tension [N/m]P∗: Pressure [Pa], [bar]

SIGT: Surface Tension [N/m]T∗: Temperature [K], [◦ C]
SPD: Speciﬁc Entropy of Saturated Liquid[J/(kg·K)]
P∗: Pressure [Pa], [bar]SPDD: Speciﬁc Entropy of Saturated Vapor[J/(kg·K)]
P∗: Pressure [Pa], [bar]SPT: Speciﬁc Entropy [J/(kg·K)]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

SPX: Speciﬁc Entropy of Mixture [J/(kg·K)]
P∗: Pressure [Pa], [bar]
X: Dryness Fraction [–]STD: Speciﬁc Entropy of Saturated Liquid[J/(kg·K)]
T∗: Temperature [K], [◦ C]
STDD: Speciﬁc Entropy of Saturated Vapor[J/(kg·K)]
T∗: Temperature [K], [◦ C]
STX: Speciﬁc Entropy of Mixture [J/(kg·K)]
T∗: Temperature [K], [◦ C]
X: Dryness Fraction [–]Range of Argument(s)PST(180K)≤P≤3.248×106 [Pa](∼1.0×103 )PST(−93.15 ◦ C)≤P≤32.48 [bar](∼0.01)
180≤T≤418.78 [K]−93.15≤T≤145.63 [◦ C]
1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]1.369×103 ≤P≤11×106 [Pa]200≤T≤510 [K]
0.01369≤P≤110 [bar]−73.15≤T≤236.85 [◦ C]
see Fig.II-2.37-1
1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]0≤X≤1.0 [–]200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
0≤X≤1.0 [–]TPH∗: Temperature [K], [◦ C]
P∗: Pressure [Pa], [bar]H: Speciﬁc Enthalpy [J/kg]

1.369×103 ≤P≤11×106 [Pa]0.01369≤P≤110 [bar]see Fig.II-2.37-3 for H

TPS∗: Temperature [K], [◦C]P∗: Pressure [Pa], [bar]S: Speciﬁc Entropy [J/(kg·K)]

1.369×103 ≤P≤11×106 [Pa]0.01369≤P≤110 [bar]see Fig.II-2.37-4 for S

TPV∗: Temperature [K], [◦ C]
P∗: Pressure [Pa], [bar]V: Speciﬁc Volume [m3 /kg]

1.369×103 ≤P≤PST(310K) [Pa]VPD(P)≤V≤VPT(P,510 K) [m3 /kg]
PST(310K)<P≤11×106 [Pa]0.705×10−3 ≤V≤VPT(P,510K) [m3 /kg]
11×106 <P≤21×106 [Pa]0.705×10−3 ≤V≤VPT(P,430K) [m3 /kg]
0.01369≤P≤PST(36.85◦ C) [bar]VPD(P)≤V≤VPT(P,236.85◦ C) [m3 /kg]
PST(36.85◦ C)<P≤110 [bar]0.705×10−3 ≤V≤
VPT(P,236.85◦ C) [m3 /kg]
110<P≤210 [bar]0.705×10−3 ≤V≤
VPT(P,156.85◦ C) [m3 /kg]

41

TRPL(‘A’)346

P-PROPATH: Pure Substances and Mixtures with Fixed Composition
Table II–2.37–1 CFC-114 (R114) Function (cont’d)

No.
100
40

Name of
Function
TSBP(P)
TSP(P)

74
75
42

TSPD(P)TSPDD(P)UPD(P)43

UPDD(P)79

UPS(P,S)

44

UPT(P,T)45

UPX(P,X)

46

UTD(T)

47

UTDD(T)

48

UTX(T,X)

49

VPD(P)50

VPDD(P)80

VPS(P,S)

51

VPT(P,T)52

VPX(P,X)

53

VTD(T)54

VTDD(T)

55

VTX(T,X)

Function and Argument(s)Range of Argument(s)TSP∗: Saturation Temperature [K], [◦ C]
P∗: Pressure [Pa], [bar]1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]UPD: Speciﬁc Internal Energy of Saturated
Liquid [J/kg]
P∗: Pressure [Pa], [bar]UPDD: Speciﬁc Internal Energy of Saturated
Vapor [J/kg]
P∗: Pressure [Pa], [bar]UPS: Speciﬁc Internal Energy [J/kg]
P∗: Pressure [Pa], [bar]S: Speciﬁc Entropy [J/(kg·K)]
UPT: Speciﬁc Internal Energy [J/kg]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]UPX: Speciﬁc Internal Energy of Mixture [J/kg]
P∗: Pressure [Pa], [bar]
X: Dryness Fraction [–]UTD: Speciﬁc Internal Energy of Saturated
Liquid [J/kg]
T∗: Temperature [K], [◦C]
UTDD: Speciﬁc Internal Energy of Saturated
Vapor [J/kg]
T∗: Temperature [K], [◦C]
UTX: Speciﬁc Internal Energy of Mixture [J/kg]
T∗: Temperature [K], [◦C]
X: Dryness Fraction [–]VPD: Speciﬁc Volume of Saturated Liquid [m3 /kg]P∗: Pressure [Pa], [bar]VPDD: Speciﬁc Volume of Saturated Vapor [m3 /kg]P∗: Pressure [Pa], [bar]VPS: Speciﬁc Volume [m3 /kg]P∗: Pressure [Pa], [bar]S: Speciﬁc Entropy [J/(kg·K)]
VPT: Speciﬁc Volume [m3 /kg]P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

VPX: Speciﬁc Volume of Mixture [m3 /kg]P∗: Pressure [Pa], [bar]
X: Dryness Fraction [–]VTD: Speciﬁc Volume of Saturated Liquid [m3 /kg]
T∗: Temperature [K], [◦C]
VTDD: Speciﬁc Volume of Saturated Vapor [m3 /kg]
T∗: Temperature [K], [◦C]
VTX: Speciﬁc Volume of Mixture [m3 /kg]
T∗: Temperature [K], [◦C]
X: Dryness Fraction [–]1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]1.369×103 ≤P≤11×106 [Pa]0.01369≤P≤110 [bar]see Fig.II-2.37-4 for S
1.369×103 ≤P≤11×106 [Pa]200≤T≤510 [K]
0.01369≤P≤110 [bar]−73.15≤T≤236.85 [◦ C]
see Fig.II-2.37-1
1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]0≤X≤1.0 [–]200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
0≤X≤1.0 [–]1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]1.369×103 ≤P≤11×106 [Pa]0.01369≤P≤110 [bar]see Fig.II-2.37-4 for S
1.369×103 ≤P≤21×106 [Pa]200≤T≤510 [K]
0.01369≤P≤210 [bar]−73.15≤T≤236.85 [◦ C]
see Fig.II-2.37-2
1.369×103 ≤P≤3.248×106 [Pa]0.01369≤P≤32.48 [bar]0≤X≤1.0 [–]200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
200≤T≤418.78 [K]−73.15≤T≤145.63 [◦ C]
0≤X≤1.0 [–]CFC-114(R114)

347
Table II–2.37–1 CFC-114 (R114) Function (cont’d)

No.
8E
8F
83

Name of
Function
WPD(P)WPDD(P)
WPT(P,T)

Function and Argument(s)WPT: Velocity of Sound [m/s]P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦C]

Range of Argument(s)1.369×103 ≤P≤PST(310K) [Pa]TSP(P)≤T≤510 [K]
PST(310K)<P≤11×106 [Pa]TPV(P,0.7×10−3m3 /kg)
≤T≤510 [K]
0.01369≤P≤PST(36.85◦ C) [bar]TSP(P)≤T≤236.85 [◦C]
PST(36.85◦ C)<P≤110 [bar]
TPV(P,0.7×10−3m3 /kg)≤T≤236.85 [◦C]
see Fig.II-2.37-1

8G
8H
56

WTD(T)WTDD(T)
XPH(P,H)57

XPS(P,S)58

XPU(P,U)59

XPV(P,V)60

XTH(T,H)

61

XTS(T,S)62

XTU(T,U)63

XTV(T,V)

XPH: Dryness Fraction [–]P∗: Pressure [Pa], [bar]H: Speciﬁc Enthalpy of Mixture [J/kg]
XPS: Dryness Fraction [–]P∗: Pressure [Pa], [bar]S: Speciﬁc Entropy of Mixture [J/(kg·K)]
XPU: Dryness Fraction [–]P∗: Pressure [Pa], [bar]U: Speciﬁc Internal Energy of Mixture [J/kg]
XPV: Dryness Fraction [–]P∗: Pressure [Pa], [bar]V: Speciﬁc Volume of Mixture [m3 /kg]
XTH: Dryness Fraction [–]T∗: Temperature [K], [◦C]
H: Speciﬁc Enthalpy of Mixture [J/kg]
XTS: Dryness Fraction [–]T∗: Temperature [K], [◦C]
S: Speciﬁc Entropy of Mixture [J/(kg·K)]
XTU: Dryness Fraction [–]T∗: Temperature [K], [◦C]
U: Speciﬁc Internal Energy of Mixture [J/kg]
XTV: Dryness Fraction [–]T∗: Temperature [K], [◦C]
V: Speciﬁc Volume of Mixture [m3 /kg]

1.369×103 ≤P<3.248×106 [Pa]0.01369≤P<32.48 [bar]HPD(P)≤H≤HPDD(P) [J/kg]
1.369×103 ≤P<3.248×106 [Pa]0.01369≤P<32.48 [bar]SPD(P)≤S≤SPDD(P) [J/(kg·K)]
1.369×103 ≤P<3.248×106 [Pa]0.01369≤P<32.48 [bar]UPD(P)≤U≤UPDD(P) [J/kg]
1.369×103 ≤P<3.248×106 [Pa]0.01369≤P<32.48 [bar]VPD(P)≤V≤VPDD(P) [m3 /kg]
200≤T<418.78 [K]−73.15≤T<145.63 [◦C]HTD(T)≤H≤HTDD(T) [J/kg]
200≤T<418.78 [K]−73.15≤T<145.63 [◦C]
STD(T)≤S≤STDD(T) [J/(kg·K)]
200≤T<418.78 [K]−73.15≤T<145.63 [◦C]UTD(T)≤U≤UTDD(T) [J/kg]
200≤T<418.78 [K]−73.15≤T<145.63 [◦C]
VTD(T)≤V≤VTDD(T) [m3 /kg]

348

P-PROPATH: Pure Substances and Mixtures with Fixed Composition[bar]*10 6 [Pa]
210

21

200

20

66.85 86.85
340 360

156.85430

236.85 [C]
510 [K]

11

100

10

* 1 0-3m3/ kg110

V = 0.705

Pressure, P

CFC-114(R114)

3.088

por
Va

0.3088200-73.15

Critical point

300
26.85

pre

ss

c
ure

urv

e

400
126.85Temperature, T
Fig.II–2.37–2 Range of Arguments(P,T) for VPT(P,T).

510 [K]236.85 [C]CFC-114(R114)

349

11

100

10

50

5

CFC-114(R114)

T = 510K

V = 0. 7 05 *1 0-3m3
/k g

110

ted

tu

ra

te

vap

d

or

liq

ui

d

Critical point

3.088

0.3088
0.1

Sat

ura

Sa

Pressure, P[bar]*10 6 [Pa]

0.2

0.3

0.4

Enthalpy, H [J/kg]
Fig.II–2.37–3 Range of Arguments(P,H) for TPH(P,H).

0.52 *10 6

350

P-PROPATH: Pure Substances and Mixtures with Fixed Composition

110

11

100

10

50

5

CFC-114(R114)

T = 510K

V = 0.7 05 *1 0-3m3/kg

Satura

tu

ra

t ed

ted vap

li q

or

ui

d

Critical point

Sa

Pressure, P[bar]*10 6 [Pa]3.088

0.30880.7

11.5

1.92 *10 3

Entropy, S [J/kg.K]
Fig.II–2.37–4

Range of Arguments(P,S) for HPS(P,S),TPS(P,S),UPS(P,S)
and VPS(P,S).