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基于APDL的机械密封环温度场分析
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过程装备与控制工程四川省高校重点实验室开放基金项目(GK201304;GK201201);全国大学生创新创业训练项目(201510622046).


Analysis on Temperature Field of Mechanical Face Seal Based on APDL
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    摘要:

    提出一种循环迭代计算方法,用以计算机械密封摩擦热量在动、静环上的分配关系,并采用APDL编程实现该计算方法。实例计算结果显示,该计算方法对于计算机械密封摩擦热量在动、静环上的分配关系是有效的,收敛速度是超线性的,且不受初始值的影响。讨论介质温度、对流换热系数等因素对摩擦热量分配的影响,结果表明,摩擦热量的分配比沿密封宽度呈非线性变化;随介质温度的升高,动环中间区域的热量分配比减少,而动环边缘处的热量分配比增大;随着介质的转动密封对流换热系数与固定密封对流换热系数的比值的增大,动环各区域的热量分配比整体上升。

    Abstract:

    A cyclic iteration method was presented to calculate the distribution ratio of the frictional heat of the end faces of mechanical seal,and was actualized by APDL program.Example calculation results show that this method is valid for the calculation of the distribution ratio of the frictional heat,and the convergence rate is superlinear and is independ with initial value.The influence of sealing medium temperature and convective heat transfer coefficient on the distribution of frictional heat was discussed.It is found that distribution ratio of the frictional heat is nonlinear along the sealing surface.With the increase of the temperature of the medium,the heat partition on the internal region of the dynamic ring is decreased,and the heat partition on the edge region of the dynamic ring is increased.With the increase of the ratio of the convective heat transfer coefficient between dynamic ring and static ring,the heat partition on whole of the dynamic ring is increased.

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文华斌,胡光忠,陶静,王维慧,杨先超,文赫荔.基于APDL的机械密封环温度场分析[J].润滑与密封,2017,42(12):104-109.
. Analysis on Temperature Field of Mechanical Face Seal Based on APDL[J]. Lubrication Engineering,2017,42(12):104-109.

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  • 在线发布日期: 2018-03-16
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