Volume 10, Issue 2 (9-2010)                   Modares Mechanical Engineering 2010, 10(2): 69-78 | Back to browse issues page

‎ 20.1001.1.10275940.1389.10.2.6.9

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Dashti. Rahmatabadi A, Karami Mohammadi A, Rashidi R. Investigation of Tilt Angle Effects for GAS-Lubricated Noncircular Journal Bearing Systems. Modares Mechanical Engineering 2010; 10 (2) :69-78
URL: http://mme.modares.ac.ir/article-15-8419-en.html
Investigation of Tilt Angle Effects for GAS-Lubricated Noncircular Journal Bearing Systems
Asghar Dashti. Rahmatabadi * 1, Ardshir. Karami Mohammadi2 , Reza Rashidi3
1- Yazd University
2- Shah rood University of Technology
3- University of meybod
Abstract:   (9285 Views)
This paper presents the effect of tilt angle on static and dynamic performance characteristics of two gas-lubricated noncircular journal bearing configurations, namely two and four lobe bearings. The linearized system approach using finite element method is used to obtain both steady state and dynamic characteristics. The results of the investigation show that tilt angle has a significant effect on static and stability characteristics. With an increase in tilt angle, power loss is decreased while stability margins are increased.
Keywords: Gas-lubrication, Noncircular Bearing, Tilt angle, Static and Stability Characteristics
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Received: 2007/07/20 | Accepted: 2008/07/20 | Published: 2010/11/7
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