Numerical studies are carried out to investigate the liquid‐lubricated herringbone‐grooved journal bearings (HGJBs) performance (such as the pressure and cavitation distribution, load capacity and attitude angle, stability, etc.). Symmetrical and non‐symmetrical HGJBs are studied, respectively, and the herringbone grooves' influence on the stability of HGJBs is analyzed carefully. It was found that the maximum pressure and load capacity increase with the increase of eccentricity ratio while the attitude angle decreases with the increase of eccentricity ratio. The cavitation may occur in the fluid film of journal bearings while the eccentricity ratio increases to some critical value. The area of cavitated region increases with the increase of the eccentricity ratio. For non‐symmetrical HGJBs, the pressure and cavitation distribution is asymmetrical oo.
International Journal of Numerical Methods for Heat & Fluid Flow – Emerald Publishing
Published: Apr 1, 2004
Keywords: Cavitation; Fluid dynamics; Lubricants; Lubricating systems
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