A-4
Engineering Guide CDA3000
Appendix A Formula bank
Magnetization
intensity
M
Webermeter
Wbm; Vsm
M = J/µ
o
· H
Magn. conductivity
Λ
Henry
H
Λ
= 1/R
m
Magn. resistance
R
10
8
/Henry
10
8
/H
R
m
= 1/A · µ
El. susceptibility
χ
-
-
= 4π χ
'
Magn. susceptibility
χ
-
-
=M/H = µ
r
-1
Important units
Force
Force
1 kp = 9.80665 N
Power output
Work, energy
Moment of inertia
Acceleration due to gravity
Table 1.2
Important units
Variable
Formula
symbol
Units
Formula
(A cross-
sectional area)
Name
Abbreviation
Note:
For vector values many formula symbols are designated by German letters.
Table 1.1
SI units
A.1.2 Important units
1N
1
kg m
⋅
s
2
--------------
=
1PS
75
kp m
⋅
s
--------------
0 7355kW
,
735 5
kg m
2
⋅
s
3
-----------------
,
735 5
Nm
s
--------
,
=
=
=
=
1Ws
1Nm
1J
1
kg m
2
⋅
s
2
-----------------
=
=
=
1kg m
2
⋅
1W s
3
⋅
1Nm s
2
⋅
=
=
g
9 80665
m
s
2
----
,
=