Purdue University

Purdue University

Mechanical Engineering
Tribology Laboratory

David Richardson

Ph.D. Student
B.S., Brigham Young University, Provo UT, 2013

Office Address:
585 Purdue Mall
ME Room# G005
West Lafayette, IN 47907

Office Phone: 765-494-0308
email: richa203@purdue.edu

 

Research

Experimental and Analytical investigation of Axial Piston Pump

Axial piston pumps  continue to have an extremely high power to weight ratio thus making them desirable in many applications. however, many of these pumps have experienced issues in the lubricating films causing extreme wear and failure. A numerical analysis of various lubricating gaps in the pump is performed  using both the Reynolds Lubrication Equation and the full Navier-Stokes to analyze flow, pressure, and cavitation in the pumps. With this numerical model new geometries can be introduced to try to reduce cavitation and provide better lubricating gaps. An experimental model has been created and through the use of proximity probes, is able to measure the size and movement of the lubricant gaps in the pump, which is corroborated with the analytic results.



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