In some damping systems, a circular disk immersed in oil is used as a damper, as shown. Show that the damping torque is proportional to angular speed in accordance with the relation Tdamping = Co where C = 0.57µ(1/a + 1/b)R. Assume linear velocity profiles on both sides of the disk and neglect the tip effects a Disk Damping oil

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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In some damping systems, a circular disk immersed in oil is
used as a damper, as shown. Show that the damping
torque is proportional to angular speed in accordance with
the relation Tdamping = Co where C = 0.5.zµ(1/a + 1/b)R.
Assume linear velocity profiles on both sides of the disk and
neglect the tip effects
a
Disk Damping oil
Transcribed Image Text:In some damping systems, a circular disk immersed in oil is used as a damper, as shown. Show that the damping torque is proportional to angular speed in accordance with the relation Tdamping = Co where C = 0.5.zµ(1/a + 1/b)R. Assume linear velocity profiles on both sides of the disk and neglect the tip effects a Disk Damping oil
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