Environmental Engineering Reference
In-Depth Information
Symbols
SI-UNITS
Basic units
Quantity
Unit
SI Symbol
length
meter
m
mass
kilogram
kg
time
second
s
plane angle
radian
rad
Derived units
Quantity
Unit
SI Symbol
m/s 2
acceleration
meter per second squared
m 2
area
square meter
kg/m 3
density
kilogram per cubic meter
m 3 /s
discharge
cubic meter per second
energy
Joule
J = N · m
N = kg · m/s 2
force
Newton
Pa = N/m 2
pressure
Pascal
W = Nm/s
power
Watt
velocity
meter per second
m/s
viscosity, dynamic
Pascal-second
Pa
·
s
viscosity, kinematic
square meter per second
m 2 /s
volume
cubic meter
m 3
 
 
 
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