Sommerfeld number of the bearing

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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49. A hydrodynamic journal bearing is subject to
2000 N load at a rotational speed of 2000 rpm.
Both bearing bore diameter and length are 40 mm.
If radial clearance is 20 um and bearing is lubricated
with an oil having viscosity 0.03 Pa.s, the
Sommerfeld number of the bearing is
Transcribed Image Text:49. A hydrodynamic journal bearing is subject to 2000 N load at a rotational speed of 2000 rpm. Both bearing bore diameter and length are 40 mm. If radial clearance is 20 um and bearing is lubricated with an oil having viscosity 0.03 Pa.s, the Sommerfeld number of the bearing is
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