The invention relates to a hydrodynamic energy-saving device for a pump-jet propeller, comprising: a rotor blade which is a main output component and is used for receiving energy and outputting thrust; the front stator blade is a static part and is mainly used for improving the inflow of the rotor blade and improving the efficiency of the rotor blade; the guide pipe is a static part, is mainly used for integrating a flow field and can be used for providing additional thrust, and the appropriate guide pipe wing type can also be used for improving the cavitation performance of the rotor; the hub cap fin blades rotate along with the rotor blades, so that hub vortex energy loss of the propeller hub of the pump-jet propeller can be reduced, a low-pressure area behind the propeller hub is eliminated, and the hydrodynamic performance is improved; and the propeller hub is used for fixedly connecting the rotor blades and the hub cap fin blades. According to the hydrodynamic energy-saving device for the pump jet propeller, the flow field behind a hub can be improved, the thrust of the propeller can be increased, the torque of rotor blades can be reduced, and the purpose of improving the hydrodynamic performance is achieved.
本发明涉及了一种泵喷推进器用的水动力节能装置,包括:转子叶片,其是主要的输出部件,用于接收能量并输出推力;前置定子叶片,是静止部件,主要用于改善转子叶片的进流,用于提高转子叶片效率;导管,是静止部件,主要用于整合流场,并能用于提供额外的推力,合适的导管翼型也可以用来改善转子的空泡性能;毂帽鳍叶片,其跟随转子叶片一起旋转,可以减少泵喷推进器桨毂的毂涡能量损失,消除桨毂后方的低压区,并以此提高水动力性能;桨毂,用于固定连接转子叶片和毂帽鳍叶片。本发明的泵喷推进器用的水动力节能装置,可以改善毂后流场,增加推进器的推力,并能减少转子叶片扭矩,达到提升水动力性能的目的。
Hydrodynamic energy-saving device for pump-jet propeller
一种泵喷推进器用的水动力节能装置
25.04.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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