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基于Fluent两种螺旋槽密封微间隙三维流场分析
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An analysis on seal microgap three-dimensional flow field of two kinds of spiral grooves based on Fluent
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    摘要:

    应用UG三维建模软件建立两种不同形式的螺旋槽密封结构,用Gambit软件对其进行网格划分,并利用流体动力学求解工具Fluent对两种形式螺旋槽密封的微间隙三维流场进行了模拟仿真。研究表明:两种形式的螺旋槽均可以产生明显的动压效应;在一定转速范围内端面总压随着转速升高而增强;开于密封端面间的螺旋泵送槽相比于同类开于外径处的螺旋槽流体动压效应更为明显,形成的流体润滑膜更为稳定。

    Abstract:

    This study builds two different forms of spiral groove seal structures by applying UG threedimensional modeling software, and makes a network division of them with Gambit software, and besides, it also makes a simulation to the sealed microgap threedimensional flow field of the two different forms of spiral grooves by making use of Fluent, namely the solving tool of hydrodynamics. The study shows that both of the two forms of spiral grooves can produce obvious hydrodynamic effect; within a certain range of speed, the total pressure of end faces increases along with the rise of rotating speed; compared with the spiral groove of the same kind opened at the external diameter, the hydrodynamic pressure effect of the conveying groove opened between seal faces is more obvious, forming more stable hydrodynamic lubricating film.

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王晓岗,阿达依·谢尔亚孜旦.基于Fluent两种螺旋槽密封微间隙三维流场分析[J].机床与液压,2017,45(24):21-25.
. An analysis on seal microgap three-dimensional flow field of two kinds of spiral grooves based on Fluent[J]. Machine Tool & Hydraulics,2017,45(24):21-25

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  • 在线发布日期: 2018-04-12
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