Axial-piston pumps and motors which operate at high pressures (above 380 bar) typically incorporate a copper-alloy bushing paired with a steel piston. Manufacturers have a desire to eliminate such nonferrous heavy metals from their designs to reduce manufacturing complexity and cost. This paper explores possible alternatives to this material combination at high pressures. Simulations incorporating thermal and elastic material properties are computed using a Fluid Structure Thermal Interaction (FSTI) model. The results of simulation reveal how material properties interact to affect fluid film thickness and pressure generation during pump operation. An understanding of these phenomena points the way toward the selection of novel material combinations to improve the behavior of the piston/cylinder interface.
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8th FPNI Ph.D Symposium on Fluid Power
June 11–13, 2014
Lappeenranta, Finland
Conference Sponsors:
- Fluid Power Net International (FPNI)
- Lappeenranta University of Technology, Finland
ISBN:
978-0-7918-4582-0
PROCEEDINGS PAPER
Material Combinations for the Piston-Cylinder Interface of Axial Piston Machines: A Simulation Study Available to Purchase
Daniel Mizell,
Daniel Mizell
Purdue University, Lafayette, IN
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Monika Ivantysynova
Monika Ivantysynova
Purdue University, Lafayette, IN
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Daniel Mizell
Purdue University, Lafayette, IN
Monika Ivantysynova
Purdue University, Lafayette, IN
Paper No:
FPNI2014-7841, V001T02A007; 10 pages
Published Online:
October 11, 2014
Citation
Mizell, D, & Ivantysynova, M. "Material Combinations for the Piston-Cylinder Interface of Axial Piston Machines: A Simulation Study." Proceedings of the 8th FPNI Ph.D Symposium on Fluid Power. 8th FPNI Ph.D Symposium on Fluid Power. Lappeenranta, Finland. June 11–13, 2014. V001T02A007. ASME. https://doi.org/10.1115/FPNI2014-7841
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