Use theory of narrow bearing, evaluate the stiffness and dynamic coefficients of a hydrodynamic journal of following specifications: Journal diameter = 7.0 cm, Bearing length = 7.0 cm, Radial...

Use theory of narrow bearing, evaluate the stiffness and dynamic coefficients of a hydrodynamic journal of following specifications: Journal diameter = 7.0 cm, Bearing length = 7.0 cm, Radial clearance = 0.02 mm, Journal angular speed = 1000 rpm, Mean viscosity of oil = 0.025 Pas, operating eccentricity ratio = 0.6. Determine the critical mass for stable operation of bearing at the operating eccentricity ratio.