Nonlinear Dynamic Analysis of Turbocharger Flexible Rotor System Supported on Floating Ring Bearings

被引：0

作者：

Singh, Ajit ^{[1
]}

Gupta, T. C. ^{[1
]}

机构：

[1] Malaviya Natl Inst Technol, Dept Mech Engn, Jaipur 302017, Rajasthan, India

来源：

JOURNAL OF APPLIED NONLINEAR DYNAMICS | 2020年 / 9卷 / 03期

关键词：

Turbocharger; Nonlinear dynamic analysis; Rotating unbalance; Floating ring bearings; Newmark-beta Newton Raphson Method;

D O I：

10.5890/JAND.2020.09.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present research work, the Timoshenko beam element theory has been used to develop the finite element model of the turbocharger rotor system. The nonlinear fluid film forces generated in floating ring bearings have been derived. A new MATLAB code has been constructed using Newmark-beta numerical integration scheme along with Newton-Raphson method to solve the equations of motion of the system. The orbital plots, Poincaremaps, and time response plots are obtained at different nodes, for various speeds to study the nonlinear dynamic behavior of floating ring bearings and turbocharger rotor system. (C)2020 L&H Scienti fic Publishing, LLC. All rights reserved.

引用

页码：447 / 468

页数：22

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