Optimum Design of Journal Bearings Dimensions for Rotating Machines
Optimum Design of Journal Bearings Dimensions for Rotating Machines

Tariq M. Hammza; Ehab N. Abas; Nassear R. Hmoad

Volume 38, 10A , October 2020, , Page 1481-1488

https://doi.org/10.30684/etj.v38i10A.1093

Abstract
  The values of Many parameters which involve in the design of fluid film journal bearings mainly depend on the bearing applied load when using the conventional design method to design ...  Read More ...
Improving the Stability and Critical Speed of Rotor Bearing System By Using External Damping Source
Improving the Stability and Critical Speed of Rotor Bearing System By Using External Damping Source

Tariq M. Hammza; Nassear R. Hmoad; Ehab N. Abas

Volume 38, 3A , March 2020, , Page 319-324

https://doi.org/10.30684/etj.v38i3A.344

Abstract
  Improving the essential factors of rotor bearing system are the aim of this study. In addition to the presence of two ball bearings to support the rotor, two additional fluid film journal ...  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 ...