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本文以二维雷诺方程、能量方程、三维热传导和三维热弹位移边界积分方程为基础,用边界元法求解油膜压力、瓦体温度场和瓦面热弹位移,编制了一个较完善的热弹性流体动力分析软件.利用这一软件,计算了托盘支承双层水冷可倾瓦轴承的热弹性流体动力性能,研究了载荷、转速、隔热层或热阻、水冷瓦、油池温度和托盘变形等因素对轴承性能的影响.结果指出,重载时轴瓦的热弹变形将导致工作条件恶化,接触热阻或隔热层对于改善瓦的变形是有利的,水冷瓦可以降低瓦温并改善瓦的变形,油池温度对各项性能有较大影响,托盘变形的影响很小.
Based on two-dimensional Reynolds equation, energy equation, three-dimensional heat conduction and three-dimensional thermo-elastic displacement boundary integral equation, the boundary element method is used to solve the oil film pressure, the temperature field of the tile body and the displacement of the tile surface. Using this software, the thermo-elastic hydrodynamic performance of pallet-supported double-layer water-cooled tilting pad bearings was calculated and the effects of load, rotational speed, thermal insulation or thermal resistance, water-cooled tiles, sump temperature and tray deformation And other factors on the bearing performance.The results show that the thermal deformation of bearing bush will lead to deterioration of working conditions under heavy load and the thermal contact resistance or insulation layer is beneficial to improve the deformation of the tile.Water-cooled tile can reduce the tile temperature and improve the wattage Of the deformation, the temperature of the oil pool have a greater impact on the performance, the impact of tray deformation is small.