Abstract：In order to study the influence of the setting angle of the deflector on the performance of the reversing bucket of the water jet propeller, based on the ANSYS-CFX software, the numerical calculation of the reversing bucket with different setting angles of the deflector(5°,10°,15°,20°,25°and 30° was performed). The influence of the angle of the deflector on the thrust performance of the reverse bucket and the flow field distribution in the flow channel was compared and analyzed. The influence of the angle of the bucket deflector on the performance of the water-jet propeller was obtained. The results show that the wall pressure distribution of the reversing bucket is greatly improved and the maximum outlet velocity is increased when the deflector is installed. With the increase of the deflector angle, the maximum velocity at the outlet of the reversing bucket increases first and then decreases, while the pressure difference of each section of the flow passage increases first, then decreases, and then increases again; when the setting angle is about 15°, the flow field distribution in the flow passage of the reversing bucket is better, and its thrust is larger. Therefore, the proper angle of deflector can effectively avoid the occurrence of over-high pressure area and over-low pressure area in the flow passage of reversing bucket, which leads to flow separation.
宗平*,潘中永,岑春海. 导流板安放角对喷水推进器倒车水斗性能影响[J]. 排灌机械工程学报, 2020, 38(12): 1251-1257.
ZONG Ping*,PAN Zhongyong,CEN Chunhai. Influence of setting angle of deflector on performance of water jet propeller. Journal of Drainage and Irrigation Machinery Engin, 2020, 38(12): 1251-1257.
