液黏传动摩擦副流场特性分析

发布时间：2018-01-09 01:02

本文关键词：液黏传动摩擦副流场特性分析　出处：《科学技术与工程》2017年15期 　论文类型：期刊论文

【摘要】：为了分析液黏传动在纯油膜剪切阶段下摩擦副间隙内流体传热特性对流场特性的影响,以一对双圆弧油槽摩擦副间隙内流场为研究对象,建立绝热边界条件下流场特性的简化数学模型,对工作液黏温特性进行实验测定。通过考虑油液的黏温特性,利用ANSYS CFX软件对流场进行数值模拟,获得不同工况条件下流场的流速特性、温度特性以及压力特性。研究表明:流体流速沿径向总体整体呈递增趋势,流体流线轨迹整体成抛物线。流场温度在沿径向方向整体呈递增趋势,流场的温升幅度随转速差增大而增大,随入口流量增大而降低。流场压力沿径向近似线性递减,流场压差随流场入口流量增大而增大,而摩擦副转速差对流场压差影响较小。
[Abstract]:In order to analyze the influence of fluid heat transfer characteristics on the flow field of a pair of friction pairs in the pure oil film shear stage, the flow field in a pair of double circular arc oil grooves is studied. A simplified mathematical model of flow field characteristics under adiabatic boundary conditions was established, and the viscosity and temperature characteristics of the working fluid were measured experimentally. The viscosity and temperature characteristics of the oil were taken into account. The flow field was simulated by ANSYS CFX software, and the velocity characteristics of the flow field under different working conditions were obtained. Temperature and pressure characteristics. The results show that the flow velocity increases gradually along the whole radial direction, the flow line trajectory becomes a parabola, and the temperature of the flow field increases along the radial direction. The temperature rise of the flow field increases with the increase of the velocity difference and decreases with the increase of the inlet flow rate. The pressure of the flow field decreases approximately linearly along the radial direction, and the pressure difference of the flow field increases with the increase of the inlet flow rate of the flow field. However, the friction pair speed difference has little effect on the pressure difference of the flow field.
【作者单位】：太原理工大学机械工程学院;太原理工大学煤矿综采装备山西省重点实验室;
【基金】：山西省煤基重点科技攻关项目(MJ2014-06) 煤矿综采装备山西省重点实验室开放基金(2014-01) 太原理工大学校青年基金(2014TD038)资助
【分类号】：TH133.4
【正文快照】： (MJ2014-06)、煤矿综采装备山西省重点实验室开放基金(2014-01)和太原理工大学校青年基金(2014TD038)资助引用格式:杨洋,崔红伟,袁红兵,等.液黏传动摩擦副流场特性分析[J].科学技术与工程,2017,17(15):207—212Yang Yang,Cui Hongwei,Yuan Hongbing,et al.The analysis of flo

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