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Seawater lubricated polymer journal bearings for use in wave energy converters

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  • Meicke, Stephen
  • Paasch, Robert

Abstract

This study investigates the wear characteristics of polymeric journal bearings while immersed in seawater, and their applicability towards wave energy conversion. A block on ring wear machine was used to test four commercially available bearing materials under unidirectional and oscillatory sliding conditions at low pressure. It was observed that wear generally increases with counterface roughness; however, major deviations to this trend exist, depending on the bearing’s composition. Stable wear rates were shown to vary widely depending on velocity profile, though a general trend could not be established for the sample group as a whole. It was shown that polymer wear rates cannot be attributed to any one parameter, and that detailed testing at several characteristic pressures and velocities is needed to determine a material’s applicability towards wave energy converters operating in real seas.

Suggested Citation

  • Meicke, Stephen & Paasch, Robert, 2012. "Seawater lubricated polymer journal bearings for use in wave energy converters," Renewable Energy, Elsevier, vol. 39(1), pages 463-470.
    • Handle: RePEc:eee:renene:v:39:y:2012:i:1:p:463-470
    DOI: 10.1016/j.renene.2011.08.041
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    Cited by:

    1. Bromaghin, A. & Ali, M. & Ravens, T. & Petersen, T. & Hoffman, J., 2014. "Experimental study of abrasion characteristics for critical sliding components for use in hydrokinetic devices," Renewable Energy, Elsevier, vol. 66(C), pages 205-214.
    2. Ali, M. & Ravens, T. & Petersen, T. & Bromaghin, A. & Jenson, S., 2015. "Impact of sediments on wear performance of critical sliding components of hydrokinetic devices," Renewable Energy, Elsevier, vol. 80(C), pages 498-507.

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