Calculation of lubricant flow in the slide bearing of the aviation engine reducer


A method has been developed for calculating the pressure distribution in a cylindrical slide bearing. We present the process of designing a heavy-duty slide bearing as a component of the reduction gearbox of a bypass turbojet engine as the object of our investigation. The process comprises the following stages: specification of the supporting structure; calculation of pressure distribution in the slide bearing for different eccentricities and angles of rotation of the shaft journal; calculation of the effect of shaft journal precession on pressure distribution; calculation of pressure distribution taking into account the channels of oil supply to the bearing. The results obtained in the experimental activities are given. The analysis carried out shows that the calculation helps to predict the location and size of pressure and rarefaction areas, to position the holes for oil supply, which will significantly improve the conditions of lubricant flow in the bearing.

About the authors

M. V. Siluyanova

Moscow Aviation Institute (National Research University)

Author for correspondence.

Doctor of Science (Engineering), Professor

Russian Federation

A. О. Fertikov

Moscow Aviation Institute (National Research University)


Postgraduate Student

Russian Federation


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