All Stories

  1. Wear Metal Concentrations Used for Enhancing Spectrometric Oil Analysis Method Credibility and Statistical Feedback - A Step Towards Big Data Analysis

    Article • Tribology in Industry, September 2023, Faculty of Engineering, University of Kragujevac

    Dr. Polychronis Dellis

  2. On the effect of temperature in friction force measurements for a simplified piston cylinder set-up: Squeeze film combined with minimum oil film thickness measurements and viscosity index effect

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, June 2023, SAGE Publications

    Dr. Polychronis Dellis

  3. Piston ring performance II: measurement of cavitation shapes in different operating conditions and their link to lubricant properties

    Article • International Journal of Structural Integrity, February 2022, Emerald

    Dr. Polychronis Dellis

  4. Squeeze Film Investigations in a Simulating Piston-Ring Cylinder Liner Experimental Set-up

    Article • Tribologie und Schmierungstechnik, January 2022, UVK Verlagsgesellschaft mbH

    Dr. Polychronis Dellis

  5. Cavitation shapes measurements in piston-ring lubrication and their link to lubricant properties

    Article • MATEC Web of Conferences, January 2021, EDP Sciences

    Dr. Polychronis Dellis

  6. Oil Film Thickness Measurements Combined with High Temperature Friction Investigations in a Simplified Piston-Ring Lubrication Test Rig

    Article • Tribology in Industry, December 2019, Faculty of Engineering, University of Kragujevac

    Dr. Polychronis Dellis

  7. The Automated Spectrometric Oil Analysis Decision Taking Procedure as a Tool to Prevent Aircraft Engine Failures

    Article • Tribology in Industry, June 2019, Faculty of Engineering, University of Kragujevac

    Dr. Polychronis Dellis

  8. Piston-ring performance: limitations from cavitation and friction

    Article • International Journal of Structural Integrity, May 2019, Emerald

    Dr. Polychronis Dellis

  9. TEMPERATURE EFFECT IN MINIMUM OIL FILM THICKNESS MEASUREMENTS IN A SIMPLIFIED SINGLE-RING TEST RIG USED TO SIMULATE THE PISTON-CYLINDER ASSEMBLY

    Article • Proceedings on Engineering Sciences, May 2019, Faculty of Engineering, University of Kragujevac

    Dr. Polychronis Dellis

  10. The effect of different lubricants in oil film thickness measurements and cavitation patterns.

    Article • International Journal of Engine Research, January 2019, SAGE Publications

    Dr. Polychronis Dellis

  11. The effect of friction force and cavitation on wear in piston-cylinder assemblies

    Article • MATEC Web of Conferences, January 2018, EDP Sciences

    Dr. Polychronis Dellis

  12. These experiments identify and quantify findings already been acquired via other techniques.

    Article • January 2018, ASME International

    Dr. Polychronis Dellis

  13. Aspects of Lubrication in a Reciprocating Single-ring Test Rig and Further Implementation to Engine Applications

    Article • Tribology in Industry, June 2017, Faculty of Engineering, University of Kragujevac

    Dr. Polychronis Dellis

  14. A parametric study on oil film pressure measurements in a single piston-ring configuration

    Article • International Journal of Engine Research, April 2012, SAGE Publications

    Dr. Polychronis Dellis

  15. Effect of friction force between piston rings and liner: A parametric study of speed, load, temperature, piston-ring curvature, and high-temperature, high-shear viscosity

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, March 2010, SAGE Publications

    Dr. Polychronis Dellis

  16. Measurements of Lubricant Film Thickness in Reciprocating Piston Cylinder Assemblies and Engines

    Article • Journal of Physics Conference Series, July 2006, Institute of Physics Publishing

    Dr. Polychronis Dellis

  17. Cavitation development in the lubricant film of a reciprocating piston-ring assembly

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, March 2004, SAGE Publications

    Dr. Polychronis Dellis