TourTour Impact loaded hydrodynamic journal bearings

 Calculation of maximum impact loading1
 Problem 1  Problem 2
 L/D  I0 R 10-3 m
 eps    η Pa.s ΔR/R
 
 I0*  I0 Ns    
     
 1Finite length bearing with π-film boundary condition
 Symbols
 ΔR radial clearance [m]
 D Shaft diameter [m]
 eps eccentricity ratio e/c [-]
 e eccentricity [m]
 I0 normalized Impact loading from concentric position [Ns]
 L Bearing length [m]
 R half bearing diameter D=2R [m]
 vis lubricant viscosty [Pas]

 
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