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首页> 外文期刊>International journal of design engineering >Performance characteristics of constant flow valve compensated conical multirecess hybrid journal bearing under micropolar lubrication
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Performance characteristics of constant flow valve compensated conical multirecess hybrid journal bearing under micropolar lubrication

机译：恒流阀补偿的圆锥形多凹槽混合轴颈轴承在微极性润滑下的性能特性

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摘要

This paper presents the theoretical study on the effect of micropolar parameters of the fluid and the semi-cone angle on the performance characteristics of a conical multirecess hybrid journal bearing under micropolar lubrication compensated with constant flow valve. The numerical solution of the modified Reynolds equation for micropolar fluid flow on the conical surface has been done by using finite element method using Galerkin's technique along with the necessary boundary conditions and iterative scheme. The performance characteristics have been presented for a wide range of the semi-cone angle and the restrictor design parameter of the conical hybrid journal bearing system operating under Newtonian and micropolar lubrication. The study suggests that the semi-cone angle of the bearing, constant flow valve restrictor and micropolar parameters significantly influence the performance characteristics of conical bearing. With increase in semi-cone angle of bearing the direct stiffness, damping coefficients and the stability margin have been observed to increase significantly.
机译：本文介绍了流体微极性参数和半圆锥角对带有恒流阀补偿的微极性润滑下圆锥形多凹槽混合轴颈轴承性能特性的影响的理论研究。修正的雷诺方程对微极性流体在圆锥表面的流动的数值解已经通过使用Galerkin技术的有限元方法以及必要的边界条件和迭代方案进行了求解。提出了在牛顿和微极性润滑条件下工作的圆锥形混合轴颈轴承系统的大半锥角和限流器设计参数的性能特征。研究表明，轴承的半圆锥角，恒流阀限流器和微极参数会显着影响圆锥轴承的性能特征。随着轴承的半圆锥角的增加，直接刚度，阻尼系数和稳定性裕度已显着增加。

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