31.152 2.543.28 1.609
AREA
in2 ft2 acres ft2 cm2 cm2
14443. 560 64010.769296.452
m2
ft2 acre mi2 ft2 in2
VOLUME
in3gal ft3 l l ft3
17287.48143. 560 3.7854 28.317 35.31
ft3 ft3 acre -ft gal ft3 m3
33
in3 pt 3 l in3 103cmcm
231 8 1061.02528. 317
galgal m3 l l ft3
DENSITY
lb/ft3 lb/ft3 gm/cm3 kg/m3 kg/m3
1728 32.174 0.5153816.0181000
lb/in3 slug/ft3 slug/ft3 lb/ft3 gm/cm3
778
rad deg 1 rpm rpm
27二 6.2832 rev 57.3 rad 27 rad/ min 9.549 rad/sec
TIME
s s min hr
60 3600 60 24
min hr hr day
SPEED
fpm mph m/sm/sm/s
88 0.6818 0.5144 0.3048 0.44704
mph fps knot fps mph
fps mph fps cm/ min
1.467 1.152 1.689 152.4
mph knot knot ips
FORCE， MASS
oz lbm dynes lbm N
16 32.174 444. 820 2.205 9080665
lbm slug lbf kg kgf
lbf poundals dynes kg N
1000 32.174 980.665 14.594 4.4482
kip lbf gmf slug lbf
lbm grains gm 105 dynes kilopond
2000 7000 453.61
ton lbm lbm N kg
kg gm gmole kg kg
14.594 28.35 453.6 907.18 1000
slug oz pmole ton metric ton
PRESSURE
22
psi N/mkg mm Hg(0 OC) N/m
14.696 101. 325 13.6 51.715 47.88
atm atm mm Hg(0 OC) psi psf
2 22
in Hg(0 OC) N/min H2O(60 OF) kg/mN/m
29.921 105 13.57 703.07 6894.8
atm bar in Hg(60 OF) psi psi
2
ft H2O(60OF) psi psi kg/cmtorr
33.934 14.504 0.0361 0.0731 760
atm bar in H2O(60 OF) psi atm
22
bar dynes/cmpsi9.869 atm N/m
1.01325 106 0.4898 133.3
atm bar in Hg(60 OF) 107 dyne/cm2 torr
22
ft H2O(60OF) mm Hg(0 OC) in H2O(39.2OF) dyne/cmkg/cm
33.934 760 406.79 0.11.0332
atm atm atm N/m2 atm
ENERGY AND POWER
ft -lb Btu hp -hr JJ bar -dm3
778.16 2544.4 5050 1 0.01
Btu hp -hr ft -lb W -sN -mJ
ft -lb Btu Btu/lb kW -s 16.021 J
550 42.41.81
hp -s hp -min cal/gm kJ 1012 MeV
ft -lb Btu Btu/pmole V -amp 1.6021 erg
33. 000 3412.2 1800 1
hp -min kW -hr kcal/gmole W -s 1012 eV
ft -lb Btu Btu 107 ergs 11.817 ft -lb
737.562 56.87 2.7194
kW -s kW -min atm -ft3 J 1012 MeV
J cal kJ kJ kW
1.3558 251.98 4.1868 3600 0.746
ft -lb Btu kcal kW -hr hp
kJ kg -m Btu/pmole cal Btu
1.055 101.92 0.4300 860 1.8
BtukJ J/gmole W -hr chu
ENTROPY， SPECIFICHEAT， GAS CONSTANT
Btu/pmole -OR Btu/lb -OR Btu/lb -OR Btu/pmole -OR kJ/kg -K
1 110.2389 4.187
cal/gmole -K gal/cm -K kcal/kg -KJ/gmole -K Btu/lb -OR
UNIVERSAL GAS CONSTANT
3
ft -lb kJ atm -ft3 atm -cm
1545.32 8.3143 0.7302 82.057
pmole -OR kmole -K pmole OR gmole -K
3
Btu cal psi -ft3 bar -cm
1.9859 1.9859 10.731 83.143
pmole -OR gmole -K pmole -OR gmole -K J erg atm -m3 bar -l
8.3143 8.3149 x 107 0.08206 0.083143
gmole -K gmole -K kgmole -K gmole -K
Equivalent Units 78.
Newton.s proportionality constant k (as a conversion unit)
. lb .. lb . m . N . cm .dynes.
32.174fps2 .. 386.1 ips2 .. 9.80665 .. 980.665 ..
slug psin s2 kg s2 gm
MISCELLANEOUS CONSTANTS
Speed of light Avogadro Constant .lanck Constant c二 2.9979 x 108m NA二 6.02252 x 1023molecules h二 6.6256 x 10-34J-s
s gmole Boltzmann Constant .ravitational Constant Normal mole volume
23
JN -mm
k二 1.38054 x 10-23K .二 6.670 x 10-11kg2 2.24136 x 10-2gmole
Index
A
Abso1uteve1ocity，46，119，120，240，292，
323，345， 715Absorption coo1ingsystems， 99Acce1erationtransducers， 566-7 ACCP (Advanced Combined Cyc1e
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：燃气涡轮工程手册 Gas Turbine Engineering Handbook 3(98)
