Numerical simulation of hydrodynamic performance of hydrofoil with inner groove

Zhongguo Jianchuan Yanjiu

CHANG Shengmin¹  XIE Xuesen²  WANG Chao³  GUO Chunyu³ 

[1] ;China Ship Development and Design Center, Wuhan 430064, China;College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China;

关键词: hydrofoil;    inner groove;    hydrodynamic performance;    numerical simulation;   

DOI  :  10.19693/j.issn.1673-3185.01789

来源: DOAJ

【 摘 要 】

[Objectives] Underwater hydrofoils have the characteristics of drag reduction and energy conservation. They are often used in the design of rudder and fin stabilizers for high-performance ships. From current research on the hydrodynamic performance of hydrofoils,such improvements as opening the inner groove and adding a leading edge nodule can significantly improve their hydrodynamic performance.[Methods] In this paper,an NACA0012 hydrofoil with internal slots is improved,the influence of different internal slots on the hydrodynamic performance of the hydrofoil is studied by means of computational fluid mechanics,and the relevant action mechanism is explored.[Results] Finally,it is concluded that the hydrodynamic performance of the hydrofoil can be improved most significantly by placing the elliptical inner groove at the leading edge of the hydrofoil,and the inner groove should have a certain width to ensure a smooth flow.[Conclusions] The results of this study can play a certain role in the improvement of ship rudders.

【 授权许可】

Unknown