Physical Properties
| Property |
Units |
Value |
| Bubble Point |
°C |
-44.0 |
| Dew Point |
°C |
-36.8 |
| Bubble Point Pressure (25°C) |
bara |
11.9 |
| Estimated Critical Temparature |
°C |
86 |
| Latent Heat Vaporisation (25°C) |
kJ/kg |
193.9 |
| Trouton's Constant |
kJ/kg.K |
1.08 |
| Coeff. Vol. Therm. Exp. (LIQ,0-20°C) |
K-1 |
0.0037 |
| Density (SAT VAPOUR) at 1atm |
kg/m3 |
4.57 |
EQUATION OF STATE (MARTIN-HOU)
where :
T
r = T/T
c, P
r = P/P
c, V
r = V/V
c = V x RHO
c
X = 3.649216
B = 0.0
K = 5.475
T
c,P
c,RHO
c = 359.2(K), 46.52(bara), 490(kg/m
3)
A
1,B
1,C
1 = -11.576411672, 6.9516394791, -12.992106787
A
2,B
2,C
2 = 9.108927853, -5.8551996466, -101.85219827
A
3,B
3,C
3 = -4.2674117378, 0.0, 0.0
A
4,B
4,C
4 = 17.976354749, 0.0, -1992.5643203
APPLICABLE RANGE:- 0-30 BARA, 0-100K SUPERHEAT
SATURATION ENVELOPE − BUBBLE POINT TEMPERATURES
Bubble Point Temperature (T
b) = A + BX + CX
2 + DX
3
| |
Tb |
= |
Bubble point temperature in K |
| X |
= |
Ln(P) |
| P |
= |
pressure in bara |
| A |
= |
228.9073 |
| B |
= |
20.99838 |
| C |
= |
1.855389 |
| D |
= |
0.37783 |
SATURATION ENVELOPE − DEW POINT TEMPERATURES
Dew Point Temperature (T
d) = A + BX + CX
2 + DX
3
| |
Td |
= |
Bubble point temperature in K |
| X |
= |
Ln(P) |
| P |
= |
pressure in bara |
| A |
= |
236.0528 |
| B |
= |
20.37606 |
| C |
= |
2.17732 |
| D |
= |
0.250429 |
SATURATION ENVELOPE − MID POINT TEMPERATURES
Mid Point Temperature (T
m) = A + BX + CX
2 + DX
3
| |
Tm |
= |
Average of Dew and Bubble point temperatures in K |
| X |
= |
Ln(P) |
| P |
= |
pressure in bara |
| A |
= |
232.4902 |
| B |
= |
20.64264 |
| C |
= |
2.047962 |
| D |
= |
0.3082967 |
LATENT HEAT VAPORISATION
| |
DHvap |
= |
A + Bx + Cx2 + Dx3 + Ex4 |
| where x |
= |
(1-(Tm/Tc))(1/3) |
| |
A |
= |
218.8494 |
Tm = Mid point Temperature K |
| B |
= |
-1683.2244 |
Tc = Crit. Temperature K |
| C |
= |
6325.3877 |
Tc = 359.2 K |
| D |
= |
-8231.939 |
DHvap kJ/kg |
| E |
= |
3884.46 |
|
IDEAL GAS HEAT CAPACITY
C
p(ideal) = A + BT + CT
2 + D/T
| |
A |
= |
-0.083843 |
T = Temperature K |
| B |
= |
0.00321516 |
|
| C |
= |
-1.94062E-6 |
Cp(ideal) kJ/kg.K |
| D |
= |
36.35655 |
|
SATURATED LIQUID ENTHALPY
| |
H liq |
= |
A + Bx + Cx2 + Dx3 + Ex4 |
| where x |
= |
(1-(Tb/Tc))(1/3) |
| |
A |
= |
131.7716 |
Tb = Bubble point temperature K |
| B |
= |
1224.77 |
Tc = Crit. Temperature K |
| C |
= |
-4212.446 |
Tc = 359.2 K |
| D |
= |
5045.1332 |
|
| E |
= |
-2528.57 |
H liq kJ/kg |
LIQUID DENSITY
| |
d liq |
= |
A + Bx + Cx2 + Dx3 + Ex4 |
| where x |
= |
(1-(Tb/Tc))(1/3) |
| |
A |
= |
|
Tb = Bubble Point Temperature K |
| B |
= |
|
Tc = Crit. Temperature K |
| C |
= |
|
Tc = 359.2 K |
| D |
= |
|
|
| E |
= |
|
d liq kg/m3 |
LIQUID VISCOSITY
Ln μ
liq = A + B/T
m + CT
m + DT
m2
| |
A |
= |
15.66442 |
Tm = Mid point temperature K |
| B |
= |
-1283.053 |
μ liq cP |
| C |
= |
-0.061504 |
|
| D |
= |
5.81907E-5 |
|
LIQUID THERMAL CONDUCTIVITY
| |
K liq |
= |
A + BTm + CTm2 + D/Tm |
| |
A |
= |
0.11898 |
Tm = Mid point temperature K |
| B |
= |
0.0 |
|
| C |
= |
-6.71955E-7 |
|
| D |
= |
9.039943 |
K liq W/m.K |
SATURATED VAPOUR DENSITY
| |
d vap |
= |
A + Bx + C2 + Dx3 + Ex4 |
| where x |
= |
(1-(Td/Tc))(1/3) |
| |
A |
= |
315.4088 |
Td = Dew point temperature K |
| B |
= |
343.5035 |
Tc = Crit. Temperature K |
| C |
= |
-3883.4765 |
Tc = 359.2 K |
| D |
= |
5587.518 |
d vap kg/m3 |
| E |
= |
-2353.113 |
|
VAPOUR VISCOSITY (IDEAL VAPOUR)
μ
vap = A + BT + CT
2
| |
A |
= |
-0.0013724 |
T = Temperature K |
| B |
= |
5.359E-5 |
μ vap cP |
| C |
= |
-1.53122E-8 |
|
VAPOUR VISCOSITY (SATURATED VAPOUR)
μ
vap = A + BT
d + CT
d2 + D/T
d
| |
A |
= |
0.375554 |
Td = Dew Point temperature K |
| B |
= |
-1.36789E-3 |
μ vap cP |
| C |
= |
1.77845E-6 |
|
| D |
= |
-33.3749 |
|
VAPOUR THERMAL CONDUCTIVITY (IDEAL VAPOUR)
K
gas = A + BT + CT
2
| |
A |
= |
-3.5565E-3 |
Td = Temperature K |
| B |
= |
3.5848E-5 |
Kgas W/m.K |
| C |
= |
7.74837E-8 |
|
SATURATED VAPOUR THERMAL CONDUCTIVITY
K
gas = A + BT
d + CT
d2 + D/T
d
| |
A |
= |
0.42538 |
Td = Dew point temperature K |
| B |
= |
-1.56445E-3 |
Kgas W/m.K |
| C |
= |
2.08498E-6 |
|
| D |
= |
-38.54645 |
|
SPEED OF SOUND (SATURATED VAPOUR)
μ
vap = A + BT
d + CT
d2 + D/T
d
| |
A |
= |
-869.9 |
Td = Dew point temperature K |
| B |
= |
4.927595 |
μ vap m/s |
| C |
= |
-7.5007E-3 |
|
| D |
= |
68779.76 |
|
SATURATION ENVELOPE
| Pressure (bara) |
Temp BUB pnt (°C) |
Temp MID pnt (°C) |
Temp DEW pnt (°C) |
| 1.000 |
-44.2 |
-40.7 |
-37.1 |
| 2.000 |
-28.7 |
-25.3 |
-21.8 |
| 3.000 |
-18.4 |
-15.1 |
-11.8 |
| 4.000 |
-10.6 |
-7.3 |
-4.0 |
| 6.000 |
1.5 |
4.7 |
7.8 |
| 8.000 |
10.8 |
13.9 |
16.9 |
| 10.000 |
18.6 |
21.5 |
24.4 |
| 12.000 |
25.2 |
28.0 |
30.8 |
| 15.000 |
33.7 |
36.4 |
39.0 |
| 20.000 |
45.5 |
47.8 |
50.2 |
| 25.000 |
55.2 |
57.3 |
59.4 |
| 30.000 |
63.5 |
65.4 |
67.2 |
LIQUID PROPERTIES
| Temp (°C) |
LIQUID DENSITY (kg/m3) |
LIQUID ENTH (kJ/kg) |
LATENT HEAT (kJ/kg) |
LIQUID VISCOSITY (Cp) |
LIQ. THERM COND (W/m.K) |
| -50.00 |
1399.05 |
30.71 |
258.9 |
0.40 |
0.126 |
| -40.00 |
1368.74 |
44.47 |
251.3 |
0.36 |
0.121 |
| -30.00 |
1337.35 |
58.22 |
243.7 |
0.32 |
0.116 |
| -20.00 |
1304.76 |
72.00 |
235.9 |
0.29 |
0.112 |
| -10.00 |
1270.77 |
85.89 |
227.79 |
0.25 |
0.107 |
| 0.00 |
1235.13 |
100.0 |
219.20 |
0.23 |
0.102 |
| 10.00 |
1197.41 |
114.00 |
209.89 |
0.20 |
0.097 |
| 20.00 |
1157.01 |
129.00 |
199.56 |
0.18 |
0.092 |
| 25.00 |
1135.50 |
137.00 |
193.89 |
0.16 |
0.090 |
| 30.00 |
1112.89 |
145.04 |
187.81 |
0.15 |
0.087 |
| 40.00 |
1063.29 |
162.00 |
174.10 |
0.14 |
0.082 |
| 50.00 |
1004.91 |
179.62 |
157.67 |
0.12 |
0.077 |
For Liquid Density and Liquid Enthalpy the buble point temperatures are used. For Latent Heat, Liquid Viscosity and Liquid Thermal Conductivity mid point temperatures are used.
IDEAL GAS PROPERTIES
| Temp (°C) |
ID. GAS Cp (KJ/Kg.K) |
ID. GAS VISCOSITY (cP) |
ID. GAS THERM COND (W/m.K) |
| -50.00 |
0.700 |
0.0098 |
0.0083 |
| -40.00 |
0.716 |
0.0103 |
0.0090 |
| -30.00 |
0.733 |
0.0108 |
0.0097 |
| -20.00 |
0.749 |
0.0112 |
0.0105 |
| -10.00 |
0.766 |
0.0117 |
0.0112 |
| 0.00 |
0.783 |
0.0121 |
0.0120 |
| 10.00 |
0.799 |
0.0126 |
0.0128 |
| 20.00 |
0.816 |
0.0130 |
0.0136 |
| 25.00 |
0.824 |
0.0132 |
0.0140 |
| 30.00 |
0.832 |
0.0135 |
0.0144 |
| 40.00 |
0.849 |
0.0139 |
0.0153 |
| 50.00 |
0.865 |
0.0143 |
0.0161 |
SATURATED VAPOUR PROPERTIES
| Temp (°C) |
SAT VAPOUR DENSITY (kg/m3) |
SAT VAPOUR VISCOSITY (cP) |
SAT VAP THERM COND (W/M.K) |
SPEED OF SOUND (m/s) |
| -50.00 |
- |
0.0093 |
0.0074 |
164 |
| -40.00 |
3.942 |
0.0102 |
0.0086 |
166 |
| -30.00 |
6.170 |
0.0108 |
0.0097 |
168 |
| -20.00 |
9.308 |
0.0114 |
0.0107 |
169 |
| -10.00 |
13.573 |
0.0119 |
0.0116 |
169 |
| 0.00 |
19.24 |
0.0124 |
0.0125 |
168 |
| 10.00 |
26.67 |
0.0130 |
0.0134 |
167 |
| 20.00 |
36.35 |
0.0135 |
0.0144 |
165 |
| 25.00 |
42.24 |
0.0139 |
0.0150 |
163 |
| 30.00 |
48.95 |
0.0142 |
0.0156 |
161 |
| 40.00 |
65.45 |
0.0150 |
0.0168 |
157 |
| 50.00 |
87.38 |
0.0160 |
0.0183 |
152 |
The temperatures are used at Dew Point Temperature.
The correlations in this data sheet should not be used outside the applicable ranges quoted. Contact Mexichem Fluor for further advice.
Information contained in this publication, or as otherwise supplied to the Users is believed to be accurate and given in good faith, but it is for the User to satisfy itself of the suitability for its own particular purpose. Mexichem Fluor gives no warranty as to the fitness of the Product for any particular purpose and any implied warranty or condition (statutory or otherwise) is excluded except to the extent that such exclusion is prevented by law. Mexichem Fluor accepts no liability for loss or damage (other than that arising from death or personal injury caused by defective product, if proved), resulting from reliance on this information. Freedom under Patent, Copyright and Design cannot be assumed. KLEA® and Mexichem Fluor® are trademarks of Mexichem SAB de C.V. Mexichem UK Limited is Registered in England No 07088219. Registered Office, The Heath Business & Technical Park, Runcorn, Cheshire, WA7 4QX.
