Bench Testing of a Pump with a Self-Adjusting Impeller

被引:2
作者
Gorovoi, S. A. [1 ]
机构
[1] Sumy Natl Agrarian Univ, Sumy, Ukraine
关键词
centrifugal pump; gap seal; support-seal; fluid flow; fluid pressure; hydrodynamic forces; self-adjusting rotor; test bench;
D O I
10.1007/s10556-019-00595-9
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Hydrodynamic forces in gap seals of centrifugal pumps play a leading role in stabilizing the vibration activity of pump rotors. Non-contact seals of the flow part can perform the functions of internal support-sealing units of a centrifugal pump. The impeller self-aligns in symmetrical gap seals under the action of hydrodynamic forces and moments. According to the method proposed by the author for calculating the elements of the flow-through part of a centrifugal pump with gap supports-seals, a pump with a self-adjusting impeller was created. The modernized pump was subjected to lengthy hydraulic testing on a test bench.
引用
收藏
页码:149 / 157
页数:9
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