分析活塞环弹流润滑性能时考虑气缸套径向变形的影响是非常必要的。
An elliptical cylinder model was built to analyze the effects of cylinder liner radial deformation on the elastohydrodynamic lubrication performances of piston ring.
采用波传播分析方法，讨论了外部敷设粘弹性自由阻尼材料的无限长圆柱壳在流场中受径向简谐激励的振动功率流。
Employed wave propagation approach, the vibrational power flow of a submerged infinite cylindrical shell coated with unconstrained viscoelastic layer excited by a radical harmonic force is studied.
通过对管内螺旋流旋转流体的动量特性分析，从理论土得出压力沿径向分布规律。
Through analyzing momentum equation of infinitesimal swirling flow, pressure distribution with the radial difference was demonstrated.
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