Abstract
This paper presents an experimental study of pressure distribution on hydrodynamic journal bearing with twin groove (5mm) using SAE 15W40, 20W40 and refined oil. In this study the pressure behavior of different lubricant with twin groove hydrodynamic journal bearing has been investigated. Twin Groove Hydrodynamic Journal bearing test rig (TGHJBTR) is used to test the 70 mm diameter and 100 mm long bearing (l/d = 1) made of Brass. Test bearing is loaded mechanically. The space between the shaft and the bearing is filled with oil. Pressure distribution circumferentially investigation has been carried out applying one unloading and three loading conditions, with operating at journal rotational speed of 1120 rpm. The pressure distributions are validated with the experimental results of Desai and Patel [1].The agreement observed between present work and experimental published data is acceptable. The analysis shows that present data deviates 10 - 15% from available publication.
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