轴向载荷输流管道的稳定性分析

Stability of pipe conveying fluid under axial load

目的 分析轴向载荷对两端简支输流管道稳定性的影响。方法 采用递推格式的有限差分法。结果 得出了不同轴向载荷和不同质量比下的无量纲流速与无量纲频率的关系曲线。结论 轴向载荷对两端简支输流管道的稳定性有较为显著的影响。

AimThe effect of axial load on stability of simply supported pipe conveying fluid is analyzed. MethodsThe finite different method in the form of recurrence formula. ResultsIn case of various axial loads and mass ratios, various curves between dimensionless fluid flow velocity and dimensionless complex frequency are plotted. ConclusionAxial load has remarkable effect on stability behaviors of the simply supported pipe conveying fluid.