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The unsteady Reynolds slider bearing

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Summary

This paper studies the unsteady low Reynolds number flow which results when a two-dimensional slipper slides over a plane guide, the space between the slipper and the guide being occupied by a thin lubricating film the thickness of which is time independent. With axes fixed relative to the slipper, results are presented for a number of possible motions of the guide and special attention is given to the response of the normal force on the slipper following a rapid change in the speed of the guide from one constant value to another.

Résumé

Il s'agit d'une étude de l'écoulement instable, de petit nombre de Reynolds, qui intervient quand un objet à deux dimensions effectue un mouvement de glissement sur un guide plat, l'espace entre le guide et l'objet glissant étant rempli d'un mince film lubrifiant, dont l'épaisseur est supposée être indépendante du temps. Les résultats se rapportent à différents mouvements relatifs possibles du guide, dans un système de référence où l'objet glissant est fixe; en particulier la réponse de la force normale agissant sur l'objet glissant est déterminée quand le guide effectue un rapide changement de vitesse relative, d'une valeur constante à une autre.

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MacDonald, D.A. The unsteady Reynolds slider bearing. Z. angew. Math. Phys. 32, 296–313 (1981). https://doi.org/10.1007/BF00946646

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  • DOI: https://doi.org/10.1007/BF00946646

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