Engineering and Technology Journal

Keywords = bearing system

Number of Articles: 3
Application of a Finite Element Package for Modeling Rotating Machinery Vibrations
Application of a Finite Element Package for Modeling Rotating Machinery Vibrations

Farouk O. Hamdoon

Volume 27, Issue 12 , September 2009, , Page 2268-2276

https://doi.org/10.30684/etj.27.12.3

Abstract
  ANSYS has no module to analyze dynamics of rotor-bearing systems,especially to calculate critical speeds. But it has element types, such as beam elementand matrix27 element, which can ...  Read More ...
Application Studies for Reducing the Harmful Vibrations on Blades of High and Low Pressure Stages of Steam Turbines
Application Studies for Reducing the Harmful Vibrations on Blades of High and Low Pressure Stages of Steam Turbines

Safaa H. Abdulrahman; Adnan D. Mohammed; Mohammed A. S. Salih

Volume 26, Issue 3 , March 2008, , Page 278-290

https://doi.org/10.30684/etj.26.3.1

Abstract
  In this work the dynamic behavior of blade disc - turbo rotor - bearing system isinvestigated analystically using the transfer matrix method, also the analysisapplies the finite element ...  Read More ...
Critical Speed of Hyperbolic Disks and Eccentricity Effects on The Stability of The Rotor Bearing System
Critical Speed of Hyperbolic Disks and Eccentricity Effects on The Stability of The Rotor Bearing System

Muhannad Zedan Khalifa

Volume 25, Issue 8 , October 2007, , Page 998-1011

https://doi.org/10.30684/etj.25.8.8

Abstract
  The critical speed of hyperbolic disks for the selected model is calculatedin three different cases, anisotropic material and thermal case, isotropicmaterial and thermal case finally ...  Read More ...