Page 16 - Mechanical Engineers' Handbook (Volume 4)

Thermophysical Properties of Fluids 5

Table 1 Conversion Factors
3
3
Density: 1 kg/m 0.06243 lb m /ft 0.01002 lb m /U.K. gallon 8.3454 10 3 lb m /U.S.
gallon 1.9403 10 3 slug/ft 10 3 g/cm 3
3
Energy: 1 kJ 737.56 ft lb f 239.01 cal th 0.94783 Btu 3.7251 10 4 hp hr 2.7778 10 4
kWhr
Specific energy: 1 kJ/kg 334.54 ft lb f /lb m 0.4299 Btu/lb m 0.2388 cal/g
Specific energy per degree: 1 kJ/kg K 0.23901 Btu th /lb F 0.23901 cal th /g C
Mass: 1 kg 2.20462 lb m 0.06852 slug 1.1023 10 3 U.S. ton 10 3 tonne 9.8421 10 4
U.K. ton
2
5
5
Pressure: 1 bar 10 N/m 10 Pa 750.06 mm Hg at 0 C 401.47 in. H 2 Oat32 F 29.530
2
2
in. Hg at 0 C 14.504 lb/in. 14.504 psia 1.01972 kg/cm 0.98692 atm 0.1 MPa
Temperature: T(K) T( C) 273.15 [T( F) 459.69]/1.8 T( R)/1.8
Temperature difference: T(K) T( C) T( F)/1.8 T( R)/1.8
Thermal conductivity: 1 W/m K 0.8604 kcal/m hr C 0.5782 Btu/ft hr F 0.01 W/cm K
2.390 10 3 cal/cm s C
2
2
2
Thermal diffusivity: 1 m /s 38750 ft /hr 3600 m /hr 10.764 ft /sec
2
Viscosity, dynamic: 1 N s/m 1Pa s 10 P 2419.1 lb m /ft hr 10 cP 75.188 slug/ft hr
7
2
3
10 P 0.6720 lb m /ft sec 0.02089 lb f sec/ft 2
Viscosity, kinematic (see thermal diffusivity)
Source: E. Lange, L. F. Sokol, and V. Antoine, Information on the Metric System and Related Fields, 6th ed., G. C.
Marshall Space Flight Center, AL (exhaustive bibliography); B. N. Taylor, The International System of Units, NBS S.P.
330, Washington, D.C., 2001; E. A. Mechtly, The International System of Units. Physical Constants and Conversion
Factors, NASA S.P. 9012, 1973. Numerous revisions periodically appear: see, for example, Pure Appl. Chem., 51, 1–
41 (1979) and later issues.
Table 2 Phase Transition Data for the Elements a
Formula h fus
Name Symbol Weight T m (K) (kJ/kg) T b (K) T c (K)
Actinium Ac 227.028 1323 63 3475
Aluminum Al 26.9815 933.5 398 2750 7850
Antimony Sb 121.75 903.9 163 1905 5700
Argon Ar 39.948 83 30 87.2 151
Arsenic As 74.9216 885 2100
Barium Ba 137.33 1002 55.8 4450
Beryllium Be 9.01218 1560 1355 2750 6200
Bismuth Bi 208.980 544.6 54.0 1838 4450
Boron B 10.81 2320 1933 4000 3300
Bromine Br 159.808 266 66.0 332 584
Cadmium Cd 112.41 594 55.1 1040 2690
Calcium Ca 40.08 1112 213.1 1763 4300
Carbon C 12.011 3810 4275 7200
Cerium Ce 140.12 1072 390 9750
Cesium Cs 132.905 301.8 16.4 951 2015
Chlorine Cl 2 70.906 172 180.7 239 417