Wave Generated by the NACA۴۴۱۲ Hydrofoil near Free Surface

Publish Year: 1392
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_JAFM-6-1_001

تاریخ نمایه سازی: 5 بهمن 1400

Abstract:

The generation of wave due to moving hydrofoil in steady streams close to a free surface is presented. The potential-based boundary element method is employed to the NACA۴۴۱۲ hydrofoil with linearized dynamic and kinematic boundary conditions on the free surface. The perturbation velocity potential is calculated using the Green formulation and Kutta condition. The numerical results of waves generated by the hydrofoil are presented and discussed at various Froude numbers and immersion depths.

Authors

H. Ghassemi

Department of Ocean Engineering, Amirkabir University of Technology (AUT), Tehran, Iran

A. R. Kohansal

Department of Marine Engineering, Persian Gulf University (PGU), Bushehr, Iran