نتایج جستجو برای: hydrofoil
تعداد نتایج: 516 فیلتر نتایج به سال:
An experimental study of vortex shedding on a hydrofoil Eppler 817 was conducted using two-dimensional two components Particle Image Velocimetry. This foil section’s characteristics are adapted for naval applications but sparsely documented. The characterization the flow modes realized based statistical data such as mean velocity field and standard deviation vertical velocities. were acquired a...
Submerged structures that operate under extreme flows are prone to suffer large scale cavitation attached to their surfaces. Under such conditions the added mass effects differ from the expected ones in pure liquids. Moreover, the existence of small gaps between the structure and surrounding bodies filled with fluid also influence the dynamic response. A series of experiments and numerical simu...
In this paper we focus on the water flow around a vertical hydrofoil used to generate power in micro-hydropower-units, based on the flutter phenomenon, which leads to pitching and sway oscillations of the foil. 2D computations are performed in COMSOL Multiphysics, in unsteady turbulent flow, for one-way pitch motion of the foil, with pitch angle varying over 50 degrees. This assumption precedes...
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