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	Orbital motion, main bearing 5

From relatively simple orbital analyses to more complex surface and subsurface stress analyses, Southwest Research Institute (SwRI)  bearing and tribological simulation capabilities help to quantify the sensitivity of the bearing to design parameters so the bearing geometry can be optimized.

Optimizing the bearing geometry allows the engine design and analysis engineers to predict crankshaft dynamic behavior and to analyze bearing performance for:

• Bearing forces

• Minimum film thickness

• Oil film pressure

• Journal orbits

• Oil film friction/power loss

• Oil leakage flow rates

  	Peak film pressure and minimum film thickness, main bearing 5

• Oil film temperature rise

• Film wet region and cavitation areas

Learn more about tribology at SwRI

For more information about our tribological simulation capabilities, or how you can contract with SwRI, please contact Mark Tussing at mtussing@swri.org or

(210) 522-2628.

enginedesign.swri.org

| Design and Development | Engine, Emissions & Vehicle Research Division | SwRI Home |

Southwest Research Institute^® (SwRI^®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 11 technical divisions.

February 14, 2013