Hollow Cylinder Radial Flux - MapleSim Help
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Hollow Cylinder Radial Flux

Hollow cylinder with radial flux; constant permeability

 

Description

Equations

Variables

Connections

Parameters

Modelica Standard Library

Description

The Hollow Cylinder Radial Flux Reluctance Force (or Hollow Cylinder Radial Flux) component models the generation of a reluctance force from a flux tube consisting of a hollow cylinder with radial flux flow.

Equations

Aavg=πro+ri

Bavg=ΦAavg

Fm=12Vm2dGmdx

Gm=2πμ0μrlogrori

Rm=1Gm

Φ=Φp=Φn

Vm=VmpVmn=RmΦ

dGmdx=2πμ0μrlogroriddx

fflange=Fm

Variables

Name

Units

Description

Modelica ID

Vm

A

Magnetic potential difference between both ports

V_m

Φ

Wb

Magnetic flux from port_p to port_n

Phi

Fm

N

Reluctance force

F_m

s

m

Distance between flange and support

s

Rm

H−1

Magnetic reluctance

R_m

Gm

H

Magnetic permeance

G_m

dGmdx

Hm

Derivative of permeance with respect to armature position

dGmBydx

m

Axial length (orthogonal to direction of flux)

l

Bavg

T

Average flux density (at arithmetic mean radius)

B_avg

Connections

Name

Description

Modelica ID

portp

Positive magnetic port

port_p

portn

Negative magnetic port

port_n

flange

Generated reluctance force at armature position

flange

support

Conditional Support Flange

support

Parameters

Name

Default

Units

Description

Modelica ID

μr

1

1

Relative magnetic permeability

mu_r

ddx

1

1

Derivative of flux tube's varying dimension with respect to armature position; set to +1 or -1

dl/dx

ri

0.01

m

Inner radius of hollow cylinder

r_i

ro

0.015

m

Outer radius of hollow cylinder

r_o

Use Support

false

 

True (checked) enables the support flange

useSupport

Modelica Standard Library

The component described in this topic is from the Modelica Standard Library. To view the original documentation, which includes author and copyright information, click here.

See Also

Magnetic Force

Magnetic Library