254

P-PROPATH: Pure Substances and Mixtures with Fixed Composition

2.26 Ethane
Equations for thermodynamic properties have been cited from Sychev et al.[1].

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

2.26.2 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:

Ethanelibjc2h6.aJC2H6.LIB
c2h6-ss
C2H6–SS.EXE

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

C2 H6
30.0694276.507 J/(kg·K)

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

4.8714×10 6Pa (48.714 bar)305.33 K (32.18 ◦C)
4.891×10 −3m3 /kg

Triple Point:
Pressure:
Temperature:

1.13 Pa (0.113×10 −6 bar)
90.348 K (−182.802 ◦C)

Reference State:
At 0 K(−273.15◦C), 984.426×10 3 J/kg is assigned to the heat of sublimation and 0 J/(kg·K) to the speciﬁc
entropy.

2.26.4 Formula
Equation of State:
Equation (3.7) in a function form of P = P (ρ, T ) in reference [1]. Here P =pressure, ρ=density and T =temperature.

Vapor Pressure:
Equation (3.7) [equation of state] in reference [1] and the Gibbs condition for phase equilibrium.
Properties at Vapor-Liquid Equilibrium:
Equation (3.7) [equation of state] and the Gibbs condition for phase equilibrium for speciﬁc volume of bothsaturated liquid and saturated vapor. Equation (2.4) together with these speciﬁc volumes for speciﬁc entropy,
speciﬁc enthalpy, isobaric speciﬁc heat and isochoric speciﬁc heat. All of these equations have been cited fromreference [1].
Pressure and Temperature on Melting Line:
Equation (3.6) in reference [1].

References

Ethane255[1] V.V.Sychev, A.A.Vasserman, A.D.Kozlov, V.A.Zagoruchenko, G.A.Spiridonov and V.A.Tsymarny, Thermodynamic Properties of Ethane, National Standard Reference Data Service of the USSR: A Series ofProperty Tables, Hemisphere, (1987).

256

P-PROPATH: Pure Substances and Mixtures with Fixed Composition
Table II–2.26–1

No.
1
94
8A
8B
82

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

Ethane Function

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

Range of Argument(s)0.1×106 ≤P≤80×106 [Pa]120≤T≤700 [K]
1.0≤P≤800 [bar]−153.15≤T≤426.85 [◦ C]

8C
8D
2
3
4

AKTD(T)
AKTDD(T)
ALAPP(P)
ALAPT(T)
ALHP(P)

5

ALHT(T)

6
7
8
9
10
11
12
13
14
15
92
90
91
93
16

ALMPD(P)ALMPDD(P)
ALMPT(P,T)
ALMTD(T)ALMTDD(T)
AMUPD(P)AMUPDD(P)AMUPT(P,T)
AMUTD(T)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)

ALHP: Latent Heat of Vaporization [J/kg]
P∗: Pressure [Pa], [bar]ALHT: Latent Heat of Vaporization [J/kg]
T∗: Temperature [K], [◦C]

2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ 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]

0.35×106 ≤P≤4.8714×106 [Pa]3.5≤P≤48.714 [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’: 1.1376×106 [J/kg] Speciﬁc EnthalpyP∗: ‘A’=‘P’: 4.8714×106 [Pa], 48.714 [bar] Pressure
S: ‘A’=‘S’: 5.9239×103 [J/(kg·K)] Speciﬁc EntropyT∗: ‘A’=‘T’: 305.33 [K], 32.18 [◦ C] Temperature
V: ‘A’=‘V’: 4.891×10−3 [m3 /kg] Speciﬁc Volume
CVPDD: Isochoric Speciﬁc Heat of Saturated
Vapor [J/(kg·K)]
P∗: Pressure [Pa], [bar]2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]0.1×106 ≤P≤80×106 [Pa]120≤T≤700 [K]
1.0≤P≤800 [bar]−153.15≤T≤426.85 [◦ C]
120≤T≤305.33 [K]−153.15≤T≤32.18 [◦ C]
92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
one of ‘H’, ‘P’, ‘S’, ‘T’ and ‘V’

2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]Ethane257
Table II–2.26–1

No.
77

Name of
Function
CVPT(P,T)

Ethane Function (cont’d)

Function and Argument(s)CVPT: Isochoric Speciﬁc Heat [J/(kg·K)]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

Range of Argument(s)0.1×106 ≤P≤80×106 [Pa]120≤T≤700 [K]
1.0≤P≤800 [bar]−153.15≤T≤426.85 [◦ C]

7B
78

CVTD(T)
CVTDD(T)

2A
2B
22
2C
2D
89

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

92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]

FC: Fundamental Constants
M: ‘A’=‘M’: 30.0694 Relative Molecular Mass
R: ‘A’=‘R’: 276.507 [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)]

2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]0.1×106 ≤P≤4.0421×106 [Pa]SPT(P,91K)≤S≤
SPT(P,700K) [J/(kg·K)]
4.0421×106 <P≤80×106 [Pa]SPT(P,TMLP(P))≤S≤
SPT(P,700K) [J/(kg·K)]

HPT: Speciﬁc Enthalpy [J/kg]
P∗: Pressure [Pa], [bar]T∗: Temperature [K], [◦ C]

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]

1.0≤P≤40.421 [bar]SPT(P,−182.15◦ C)≤S≤
SPT(P,426.85◦ C) [J/(kg·K)]
40.421<P≤800 [bar]SPT(P,TMLP(P))≤S≤
SPT(P,426.85◦ C) [J/(kg·K)]
0.1×106 ≤P≤4.0421×106 [Pa]91≤T≤700 [K]
4.0421×106 <P≤80×106 [Pa]TMLP(P)≤T≤700 [K]
1.0≤P≤40.421 [bar]−182.15≤T≤426.85 [◦ C]
40.421<P≤800 [bar]TMLP(P)≤T≤426.85 [◦C]
2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]0≤X≤1.0 [–]92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]

258

P-PROPATH: Pure Substances and Mixtures with Fixed Composition
Table II–2.26–1

No.
28

Name of
Function
HTDD(T)

29

HTX(T,X)

84

IDENTF(‘A’)

66
68

PLDT(T)
PMLT(T)

85
86
81
87
88
99
30

PRPD(P)PRPDD(P)
PRPT(P,T)
PRTD(T)
PRTDD(T)PSBT(T)
PST(T)

72
73
31
32
33

PSTD(T)
PSTDD(T)SIGP(P)
SIGT(T)
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

TLDP(P)
TMLP(P)

Ethane Function (cont’d)

Function and Argument(s)Range of Argument(s)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’: ‘C2H6’ Molecular Formula
S: ‘A’=‘S’: ‘ETHANE’ Name of Substance
V: ‘A’=‘V’: ‘10.1’ Version Number

92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
0≤X≤1.0 [–]one of ‘C’, ‘S’ and ‘V’

PMLT∗: Pressure on Melting Curve [Pa], [bar]T∗: Temperature [K], [◦ C]

91≤T≤102 [K]−182.15≤T≤−171.15 [◦ C]

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

92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ 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]

2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]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 [–]TMLP∗: Temperature on Melting Curve [K], [◦C]P∗: Pressure [Pa], [bar]2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]0.1×106 ≤P≤4.0421×106 [Pa]91≤T≤700 [K]
4.0421×106 <P≤80×106 [Pa]TMLP(P)≤T≤700 [K]
1.0≤P≤40.421 [bar]−182.15≤T≤426.85 [◦C]
40.421<P≤800 [bar]TMLP(P)≤T≤426.85 [◦ C]
2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]0≤X≤1.0 [–]92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
0≤X≤1.0 [–]5.0×106 ≤P≤80×106 [Pa]50≤P≤800 [bar]Ethane259
Table II–2.26–1

No.
64

Name of
Function
TPH(P,H)

Ethane Function (cont’d)

Function and Argument(s)TPH∗: Temperature [K], [◦ C]
P∗: Pressure [Pa], [bar]H: Speciﬁc Enthalpy [J/kg]

Range of Argument(s)0.1×106 ≤P≤4.0421×106 [Pa]
HPT(P,91K)≤H≤
HPT(P,700K) [J/kg]
4.0421×106 <P≤80×106 [Pa]
HPT(P,TMLP(P))≤H≤
HPT(P,700K) [J/kg]
1.0≤P≤40.421 [bar]HPT(P,−182.15◦ C)≤H≤
HPT(P,426.85◦ C) [J/kg]
40.421<P≤800 [bar]HPT(P,TMLP(P))≤H≤
HPT(P,426.85◦ C) [J/kg]

6H
65

TPH2(P,H)
TPS(P,S)TPS∗: Temperature [K], [◦C]P∗: Pressure [Pa], [bar]S: Speciﬁc Entropy [J/(kg·K)]

0.1×106 ≤P≤4.0421×106 [Pa]SPT(P,91K)≤S≤
SPT(P,700K) [J/(kg·K)]
4.0421×106 <P≤80×106 [Pa]SPT(P,TMLP(P))≤S≤
SPT(P,700K) [J/(kg·K)]
1.0≤P≤40.421 [bar]SPT(P,−182.15◦ C)≤S≤
SPT(P,426.85◦ C) [J/(kg·K)]
40.421<P≤800 [bar]SPT(P,TMLP(P))≤S≤
SPT(P,426.85◦ C) [J/(kg·K)]

6S
98

TPS2(P,S)TPSEUP(P)70

TPV(P,V)41

TRPL(‘A’)

100
40

TSBP(P)
TSP(P)

74
75
42

TSPD(P)TSPDD(P)UPD(P)TPSEUP: Pseudo Boiling Point [K], [◦C]P∗: Pressure [Pa], [bar]TPV∗: Temperature [K], [◦ C]
P∗: Pressure [Pa], [bar]V: Speciﬁc Volume [m3 /kg]

TRPL∗: Properties at Triple PointP∗: ‘A’=‘P’: 1.13 [Pa], 0.113×10−6 [bar]PressureT∗: ‘A’=‘T’: 90.348 [K], −182.802 [◦ C]
Temperature

4.8714×106 <P≤20×106 [Pa]48.714<P≤200 [bar]0.1×106 ≤P≤4.0421×106 [Pa]VPT(P, 91K)≤V≤
VPT(P,700K) [m3 /kg]
4.0421×106 <P≤80×106 [Pa]VPT(P,TMLP(P))≤V≤
VPT(P,700K) [m3 /kg]
1.0≤P≤40.421 [bar]VPT(P,−182.15◦ C)≤V≤
VPT(P,426.85◦ C) [m3 /kg]
40.421<P≤800 [bar]VPT(P,TMLP(P))≤V≤
VPT(P,426.85◦ C) [m3 /kg]
one of ‘P’ and ‘T’

TSP∗: Saturation Temperature [K], [◦C]P∗: Pressure [Pa], [bar]2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]UPD: Speciﬁc Internal Energy of Saturated
Liquid [J/kg]
P∗: Pressure [Pa], [bar]2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]260

P-PROPATH: Pure Substances and Mixtures with Fixed Composition
Table II–2.26–1

No.
43

Name of
Function
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)

Ethane Function (cont’d)

Function and Argument(s)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]

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)]

Range of Argument(s)2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]0.1×106 ≤P≤4.0421×106 [Pa]SPT(P,91K)≤S≤
SPT(P,700K) [J/(kg·K)]
4.0421×106 <P≤80×106 [Pa]SPT(P,TMLP(P))≤S≤
SPT(P,700K) [J/(kg·K)]
1.0≤P≤40.421 [bar]SPT(P,−182.15◦ C)≤S≤
SPT(P,426.85◦ C) [J/(kg·K)]
40.421<P≤800 [bar]SPT(P,TMLP(P))≤S≤
SPT(P,426.85◦ C) [J/(kg·K)]
0.1×106 ≤P≤4.0421×106 [Pa]91≤T≤700 [K]
4.0421×106 <P≤80×106 [Pa]TMLP(P)≤T≤700 [K]
1.0≤P≤40.421 [bar]−182.15≤T≤426.85 [◦ C]
40.421<P≤800 [bar]TMLP(P)≤T≤426.85 [◦C]
2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]0≤X≤1.0 [–]92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
0≤X≤1.0 [–]2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]0.1×106 ≤P≤4.0421×106 [Pa]SPT(P,91K)≤S≤
SPT(P,700K) [J/(kg·K)]
4.0421×106 <P≤80×106 [Pa]SPT(P, TMLP(P))≤S≤
SPT(P,700K) [J/(kg·K)]
1.0≤P≤40.421 [bar]SPT(P,−182.15◦ C)≤S≤
SPT(P,426.85◦ C) [J/(kg·K)]
40.421<P≤800 [bar]SPT(P, TMLP(P))≤S≤
SPT(P,426.85◦ C) [J/(kg·K)]

Ethane261
Table II–2.26–1

No.
51

Name of
Function
VPT(P,T)52

VPX(P,X)

53

VTD(T)54

VTDD(T)

55

VTX(T,X)

8E
8F
83

WPD(P)WPDD(P)
WPT(P,T)

Ethane Function (cont’d)

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

Range of Argument(s)0.1×106 ≤P≤4.0421×106 [Pa]91≤T≤700 [K]
4.0421×106 <P≤80×106 [Pa]TMLP(P)≤T≤700 [K]
1.0≤P≤40.421 [bar]−182.15≤T≤426.85 [◦ C]
40.421<P≤800 [bar]TMLP(P)≤T≤426.85 [◦C]
2.0≤P≤4.8714×106 [Pa]20×10−6 ≤P≤48.714 [bar]0≤X≤1.0 [–]92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
92≤T≤305.33 [K]−181.15≤T≤32.18 [◦ C]
0≤X≤1.0 [–]0.1×106 ≤P≤80×106 [Pa]120≤T≤700 [K]
1.0≤P≤800 [bar]−153.15≤T≤426.85 [◦ C]

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]

2.0≤P≤4.867×106 [Pa]20×10−6 ≤P≤48.67 [bar]HPD(P)≤H≤HPDD(P) [J/kg]
2.0≤P≤4.867×106 [Pa]20×10−6 ≤P≤48.67 [bar]SPD(P)≤S≤SPDD(P) [J/(kg·K)]
2.0≤P≤4.867×106 [Pa]20×10−6 ≤P≤48.67 [bar]UPD(P)≤U≤UPDD(P) [J/kg]
2.0≤P≤4.867×106 [Pa]20×10−6 ≤P≤48.67 [bar]VPD(P)≤V≤VPDD(P) [m3 /kg]
92≤T≤305.30 [K]−181.15≤T≤32.15 [◦ C]
HTD(T)≤H≤HTDD(T) [J/kg]
92≤T≤305.30 [K]−181.15≤T≤32.15 [◦ C]
STD(T)≤S≤STDD(T) [J/(kg·K)]
92≤T≤305.30 [K]−181.15≤T≤32.15 [◦ C]
UTD(T)≤U≤UTDD(T) [J/kg]
92≤T≤305.30 [K]−181.15≤T≤32.15 [◦ C]
VTD(T)≤V≤VTDD(T) [m3 /kg]