Učinak brzine posmika u poroznom ležaju s klizačem u obliku sekante i s ferofluidnim mazivom

Abstract

We analysed a bearing with a secant shaped slider and with the stator having a porous facing backed by a solid wall, using a magnetic fluid lubricant flowing as per Jenkins model. Computed values of the bearing characteristics are displayed in tabular form. The load capacity, friction on the slider and the coefficient of friction decreased with increasing values of the slip parameter. The load capacity decreased and friction as well as the coefficient of friction increased with increasing values of the material parameter. However, the position of the centre of pressure did not significantly alter owing to the changes in slip parameter. But it slowly shifted towards the inlet when the material parameter increased.Analiziramo ležaj s klizačem u obliku sekante u kojemu je stator porozan s čvrstom podlogom, a rabi magnetsko tekuće mazivo koje teče prema Jenkinsovom modelu. Izračunate vrijednosti značajki ležaja prikazuju se u tablicama. Nosivost, trenje klizača i koeficijent trenja smanjuju se pri povećanju parametra posmicanja, a nosivost i trenje smanjuju se pri povećanju parametra materijala. Položaj središta tlaka ne mijenja se bitno zbog promjena parametra posmicanja, ali se pomalo pomiče prema ulazu pri povećanju parametra materijala

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