Present day oil analysis is done by using optical emission spectroscopy (OES) to measure the ppm (parts per million) levels of wear metals, contaminants and additives in oil samples. This paper ...

Polarization curves experimentally obtained in the electro-dissolution of iron in a 1 M H2SO4 solution using a rotating disc as the working electrode present a current instability region within the ...

Abstract: In this paper, aiming at the flow and heat transfer phenomenon in the rotating disc cavity of aero engine, the flow heat transfer characteristics in the rotating disc cavity are studied by ...