The value of axial flow pump's tip clearance, the shape of blade tip and the flow in the blade tip clearance have great influence on the efficiency of axial flow pump and even affect its running.
轴流泵叶轮叶顶间隙的大小，叶轮叶片外缘的几何形状及间隙内流场分布是影响轴流泵效率、空化余量的重要因素之一，也关系到轴流泵安全可靠运行。
参考来源 - 轴流泵叶顶间隙对内部流场及性能影响的数值分析·2,447,543篇论文数据，部分数据来源于NoteExpress
The gas exciting force caused by blade tip clearance may cause rotors unsteady under certain condition.
转子偏心引起的气流激振力在一定条件下可能诱发转子失稳。
This paper also presents the experimental results of effects of the blade tip clearance and the airfoil shape on the stall flutter boundary.
此外还给出了两种叶尖间隙和两种叶型对失速颤振影响的实验结果。
Finally, an important combination parameter was put forward to reflect the overall influence of blade loading and tip clearance distribution on the tip leakage mixing loss.
最后提出一个重要的组合参数，反映了叶片尖部载荷和叶尖间隙的流向分布对叶尖泄漏掺混损失的综合影响。
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