Table des Matières
Publicité
Motori Elettrici
Motori elettrici / Electric motors / Moteurs électriques / Elektromotoren / Motores eléctricos / 电动机
Grandezze fisiche e fattori di conversione / Physical measurements and conversion factors / Grandeurs physiques et facteurs de conversion /
Physische Größen und Umrechnungsfaktoren / Magnitudes físicas y factores de conversión /
Grandezza fisica
lunghezza
velocità
massa
densità
momento d'inerzia
forza
momento meccanico
energia
pressione
potenza
Physical measurement
length
speed
weight
density
moment of inertia
force
mechanical moment
energy
pressure
power
(*) unità di misura fuori del Sistema Internazionale
(*) unit of measurement not included in SI system
(*) unité de mesure en dehors du Système International
(*) Maßeinheit außerhalb des internationalen Systems
(*) unidad de medida fuera del Sistema Internacional
(*) 国际单位系统中不包含.(*).测量单位
10
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Unità di misura
Sistema Internazionale
S.I.
ft = piede
m = metro
in = pollice
ft/s
m/s
in/s
kg = kilogrammo-massa
lb = libbra
lb/ft
kg/m
3
lb/in
lb·ft
kg·m
2
lb·in
N = newton
lbf = libbra-forza
kgf* = kilogrammo-forza
Nm
lbf·ft
kgf·m*
J = Joule (=Nm)
lbf·ft
kWh = kilowattora
Pa = Pascal (=N/m2)
atm* = atmosfera
psi (=lbf/ in
bar*
hp = cavallo vapore
W = watt
lbf·ft/s
Unit of measurement
SI
units
ft = foot
m = metre
in = inch
ft/s
m/s
in/s
kg = kilogram
lb = pound
lb/ft
kg/m
3
lb/in
lb·ft
kg·m
2
lb·in
N = newton
lbf = pound-force
kgf* = kilogram-force
[Nm]
lbf·ft
kgf·m*
J = Joule (=Nm)
lbf·ft
kWh = kilowatt hour
Pa = Pascal (=N/m2)
atm* = atmosphere
psi (=lbf/ in
bar*
hp = horse power
W = Watt
lbf·ft/s
Conversione da Sistema
Sistema Anglosassone
Sistema Anglosassone
1 ft = 0,3048 m
1 in = 25,4 mm
1 ft/s = 0,3048 m/s
1 in/s = 25,4 mm/s
1 lb = 0,4536 kg
1 lb/ft
3
1 lb/in
3
1 lb·ft
2
1 lb·in
2
1 lbf = 4,44822 N
1 lbf = 0,4536 kgf
1 lbf·ft = 0,138 kgf·m
1 lbf·ft = 1,36 N·m
1 lbf·ft = 1,36 J
1 lbf·ft = 3,77·10
1 psi = 6,895·10
)
1 psi = 0,068 atm
2
1 psi = 0,0689 bar
1 hp = 745,7 W
1 lbf·ft/s = 1,356 W
Imperial units
1 ft = 0.3048 m
1 in = 25.4 mm
1 ft/s = 0.3048 m/s
1 in/s = 25.4 mm/s
1 lb = 0.4536 kg
1 lb/ft
3
1 lb/in
3
1 lb·ft
2
1 lb·in
2
1 lbf = 4.44822 N
1 lbf = 0.4536 kgf
1 lbf·ft = 0.138 kgf·m
1 lbf·ft = 1.36 N·m
1 lbf·ft = 1.36 J
1 lbf·ft = 3.7·10
1 psi = 6.895·10
)
1 psi = 0.068 atm
2
1 psi = 0.0689 bar
1 hp = 745.7 W
1 lbf·ft/s = 1.356 W
物理测量和换算系数
Conversione da Sistema
Internazionale (S.I.) a
Anglosassone a Sistema
1 m = 3,2808 ft
1 mm = 0,03937 in
1 m/s = 3,2808 ft/s
1 mm/s = 0,03937 in/s
1 kg = 2,205 lb
= 16,0185 kg/m
1 kg/m
3
3
= 27,6799 g/cm
1 g/cm
3
3
= 0,04214 kg·m
1 kg·m
2
2
= 2,9264 kg·cm
1 kg·cm
2
2
1 N = 0,2248 lbf
1 kgf = 2,2045 lbf
(1 N = 0,102 kgf 1 kgf = 9,8 N)
1 kgf·m = 7,23 lbf·ft
1 N·m = 0,738 lbf·ft
1 J = 0,738 lbf·ft
kWh
1 kWh = 2,66·10
-7
Pa (N/m
)
1 Pa = 1,45·10
3
2
1 atm = 14,7 psi
(1Pa=9,87·10
1 W = 0,00134 hp
1 W = 0,738 ft·lbf/s
Conversion from
SI units to
Imperial units
1 m = 3.2808 ft
1 mm = 0.03937 in
1 m/s = 3.2808 ft/s
1 mm/s = 0.03937 in/s
1 kg = 2.205 lb
= 16.0185 kg/m
1 kg/m
3
3
= 27.6799 g/cm
1 g/cm
3
3
= 0.4214 kg·m
1 kg·m
2
2
= 2.264 kg·cm
1 kg·cm
2
2
1 N = 0.2248 lbf
1 kgf = 2.2045 lbf
(1 N = 0.102 kgf 1 kgf = 9.8 N)
1 kgf·m = 7.23 lbf·ft
1 N·m = 0.738 lbf·ft
1 J = 0.738 lbf·ft
kWh
1 kWh = 2.6·10
-7
Pa (N/m
)
1 Pa = 1.45·10
3
2
1 atm = 14.7 psi
(1Pa=9.87·10
1 W = 0.00134 hp
1 W = 0.738 ft·lbf/s
Internazionale (S.I.)
= 0,0624 lb/ft
3
3
= 0,0361 lb/in
3
3
= 23,73 lb·ft
2
2
= 0,3417 lb·in
2
2
lbf·ft
6
psi
-4
atm=10
bar)
-6
-5
Conversion from
Imperial units to
SI units
= 0.0624 lb/ft
3
3
= 0.0361 lb/in
3
3
= 23.3 lb·ft
2
2
= 0.417 lb·in
2
2
lbf·ft
6
psi
-4
atm=10
bar)
-6
-5
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Table des Matières
