A THOROUGH COMPARISON OF MODEL OILS WITH A MINERAL, SYNTHETIC, WHITE AND NATURAL BASE

The aim of the work was to assess the possibilities of using natural and white oils as potential bases of gear oils. Four model gear oils were tested – with mineral, synthetic hydrocarbon (PAO), white, and natural (rapes...

THE DIATHERMIC MODEL OF A POROUS BEARING WITH ADDITIONAL OIL SUPPLY

This work presents the diathermic model of a porous bearing working with additional oil supply conditions. The equations of motion and energy in the oil gap and the porous bearing are supplemented with the equations of h...

HIGH RESOLUTION MICROSCOPY AS TOOLS FOR SLIDING MICROBEARING RADIAL CLEARANCE AND GROOVES GEOMETRY MEASUREMENTS

DISCUSSION ABOUT FUNDAMENTAL PROBLEMS OF TRIBOLOGY. PART 12 – SYSTEMATIC OF RESEARCH ACTIVITY IN TRIBOLOGY – FROM STRATEGY TO TACTIC TRIBOLOGY RESEARCH

This paper presents an attempt at systematising the issues of tribology research according to the criterion of general cognitive tasks. The existing structure covering strategy, operational art and tactics were used for...

Analiza stanu biomechanicznego w stawie biodrowym po całkowitej alloplastyce z różnymi wariantami endoprotez bezcementowych

W opracowaniu wykonano modelowanie i symulacje rozkładów naprężeń i przemieszczeń w aplikacjach z bezcementowymi endoprotezami stawu biodrowego. Analizie poddano biołożyska z panewkami o strukturze warstwowej wykonane z...