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Following data is provided for a 360o hydrodynamic bearing :
Radial load = 3.2 kN
journal Speed =1490 rpm
journal diameter = 50 mm
bearing length = 50 mm
radial clearance = 0.05 mm
viscosity of lubricant = 25 cP
Considering that the total heat generated in the bearing is taken by the total oil flow in the bearing, determine :
(i) the coefficient of friction
(ii) Power lost in friction
(iii) Minimum oil film thickness
Determine a least square geometric curve y = ax b to the following data : x: 1 2 3 4 5 y: 0.5 2 4.5 8 12.5 Fit a straight line y = a + bx to the following data b
offset method to draw parabola
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