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supported by the Shandong Natural Science Foundation Youth Project(No.ZR2023QE075);the Open Project Program of Shandong Marine Aerospace Equipment Technological Innovation Center(No.MAETIC202210);the Shandong Natural Science Foundation Project(No.ZR2022ME145)。
The oscillating hydrofoil represents a promising technology for harvesting energy from tidal currents.While previous research has primarily focused on oscillating hydrofoils utilizing a fully activated control strateg...
This paper aims to numerically explore the characteristics of unsteady cavitating flow around a NACA0015 hydrofoil,with a focus on vorticity attributes.The simulation utilizes a homogeneous mixture model coupled with ...
supported by the National Science Foundation of China (Grant Nos.52279081,and 51839001).
The behaviors of unsteady flow structures and corresponding hydrodynamics for a pitching hydrofoil are investigated numerically and theoretically in the present paper.The aims are to derive the total lift by finite-do...
co-supported by the National Natural Science Foundation of China(Grant No.U2106225);the Open Research Subject of the Key Laboratory of Fluid and Power Machinery(Xihua University);Ministry of Education(Grant No.LTDL-2023003);the Outstanding Youth Foundation of Jiangsu Province of China(Grant No.BK20211547);the Excellent Scientific and Technological Innovation Team Project in Colleges and Universities of Jiangsu Province[Grant No.SKJ(2021)-1];the Natural Science Foundation of Jiangsu Province(Grant No.21KJA470002);the Senior Talent Foundation of Jiangsu University(Grant No.18JDG034);the National Science Fund for Distinguished Young Scholars of China(Grant No.52425903)
This work investigates the cavitation and fluid–structure interaction characteristics of a flexible NACA0015 hydrofoil.The simulation incorporates the Zwart–Gerber–Belamri cavitation model and two-way fluid–struct...
Project supported by the National Natural Science Foundation of China(Grant No.U24A20139);supported by the Key Research and Development Project of Zhejiang Province(Grant No.22024C01117);the KeyResearch and Development Project of Hangzhou(Grant No.2023SZD0041).
The biomimetic hydrofoils are frequently employed to enhance cavitation performance,although the underlying mechanisms remain to be fully elucidated.This study utilizes a cavitation visualization experimental system a...
Since 1970s,several experimental works revealed that the cavitation sheet inception does not occur at the minimum pressure location but further downstream at the location of a laminar/turbulent transition.Most of the ...
supported by the National Natural Science Foundation of China(Nos.12202011,12332014);China Postdoctoral Science Foundation(No.2022M710190).
Cavitation is a prevalent phenomenon within the domain of ship and ocean engineering,predominantly occurring in the tail flow fields of high-speed rotating propellers and on the surfaces of high-speed underwater vehic...
Project supported by the National Natural Science Foundation of China (Grant Nos.52279081,51839001);supported by the Beijing Natural Science Foundation (Grant No.3232033);the Fundamental Research Funds for the Central Universities (Grant No.2023CX01004).
The objective is to study the vortical structural behaviors of a transient pitching hydrofoil and their effects on the hydrodynamic performance. The pitching motion of the hydrofoil is set to pitch up with an almost c...
Project supported by the National Natural Science Foundation of China (Grant No.52336001).
In the present paper,the unsteady cavitating turbulent flow over the twisted NACA66 hydrofoil is investigated based on an modified shear stress transfer k-ωpartially averaged Navier-Stokes(MSST PANS)model,i.e.,new MS...
supported by the National Natural Science Foundation of China(Grant No.52001043);the Chinese Academy of Sciences Youth Innovation Promotion Association(Grant No.2020205);the Fundamental Research Funds for the Central Universities(Grant No.DUT22GF202 and DUT20TD108);Liaoning Revitalization Talents Program(Grant No.XLYC1908027).
The flutter of a hydrofoil can cause structural damage and failure,which is a dangerous situation that must be avoided.In this work,based on computational fluid dynamics and structural finite element methods,a co-simu...