1.10 As shown in Fig. E1.10, a cone was rotated around the center-vertical axis, the distance 8 between the cone and the fixed surface is 1mm lubrication oil (µ =0.1p.s) fills the gap. When the angular velocity w is 16s², the bottom radius R of cone is 0.3m H = 0.5m Calculate the torque needed 2R FIGURE E1.10 H

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1.10 As shown in Fig. E1.10, a cone was rotated
around the center-vertical axis, the distance 8
between the cone and the fixed suface is 1mm
lubrication oil ( u =0.1p.s) fills the gap. When the
angular velocity w is 16s', the bottom radius R
of cone is 0.3m H = 0.5m Calculate the torque
needed.
2R
FIGURE E1.10
1
Transcribed Image Text:1.10 As shown in Fig. E1.10, a cone was rotated around the center-vertical axis, the distance 8 between the cone and the fixed suface is 1mm lubrication oil ( u =0.1p.s) fills the gap. When the angular velocity w is 16s', the bottom radius R of cone is 0.3m H = 0.5m Calculate the torque needed. 2R FIGURE E1.10 1
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