Affiliation:
1. University of Kalyani USIC Nadia, India
2. Deemed University Department of Mechanical Engineering, Bengal Engineering College Howrah, West Bengal, India
Abstract
A linear analysis of conical whirl instability of an unloaded rigid rotor supported on hydrodynamic journal bearings with micropolar lubrication has been presented. In self-excited conical whirling motion, the rotor has 2 degrees of freedom with hydrdynamic film pressure distribution in the bearing clearance. The hydrodynamic film pressure distribution has been obtained by solving the modified Reynolds equation based on the theory of the micropolar lubrication satisfying the appropriate boundary conditions. With the help of the components of dynamic tilting stiffness and damping coefficients, stability characteristics are obtained. The effects of various parameters, namely the non-dimensional micropolar characteristic length, coupling number, clearance ratio and slenderness ratio on the conical stability parameter have been investigated.
Subject
Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering
Cited by
24 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献