The invention discloses a micro-grid structure for improving hydrodynamic performance of a propeller, a micro-grid structure body is arranged on the surface of a propeller blade, the micro-grid structure body comprises a plurality of transverse thin walls and a plurality of longitudinal thin walls, the transverse thin walls and the longitudinal thin walls are connected and form a plurality of unit grooves, the thickness of each of the transverse thin walls and the longitudinal thin walls is a, the groove length of each unit groove is b, the groove depth of each unit groove is h, the groove width of each unit groove is s, a/s ranges from 1/25 to 1/20, b/s ranges from 8 to 10, and h/s ranges from 0.8 to 1.2. According to the invention, the effects of reducing frictional resistance and inhibiting cavitation corrosion are achieved at the same time, and the comprehensive hydrodynamic performance of the propeller is improved.
本发明公开了一种提高螺旋桨水动力性能的微栅结构,螺旋桨叶片表面设有微栅结构体,微栅结构体包括若干横向薄壁和若干纵向薄壁,横向薄壁和纵向薄壁相交接并组成多个单元槽,横向薄壁和纵向薄壁的厚度均为a,单元槽的槽长为b,单元槽的槽深为h,单元槽的槽宽为s,其中,a/s为1/25~1/20,b/s为8~10,h/s为0.8~1.2。本发明同时起到降低摩擦阻力和抑制空泡腐蚀的作用,提高螺旋桨的综合水动力性能。
Micro-grid structure for improving hydrodynamic performance of propeller
提高螺旋桨水动力性能的微栅结构
2023-11-07
Patent
Electronic Resource
Chinese
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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