“點(diǎn)頭鴨”波浪能裝置的水動(dòng)力學(xué)特性及效率研究
[Abstract]:With the development of social economy, the energy problems and environmental problems caused by the large-scale use and consumption of fossil fuels are becoming more and more serious. All countries in the world are actively engaged in the development and utilization of clean and renewable energy. As a kind of clean and renewable energy, oceanic energy has become the focus of attention. The "nodding duck" wave energy device is an efficient wave energy conversion device. The research on it is of great significance to the development of ocean energy and the development of clean and renewable energy. The hydrodynamic characteristics and efficiency of duck wave energy capture device are studied in this paper. To solve the above problems, the governing equations and boundary conditions of the first order linear wave are first given and solved. Based on the solution, a two-dimensional numerical wave pool is established by using the moving boundary wave-making method and the source term de-wave method in fluent software. The wave-making effect and wave dissipation effect are verified. Secondly, the additional mass and damping of the duck-type device are theoretically analyzed according to the governing equations of the flow field and the boundary conditions of the duck wave capture device moving at the free water surface. Based on the numerical solution of additional mass and additional damping, the additional mass and additional damping of energy capture device are solved by numerical simulation. Finally, based on the above work, the force and motion of the energy capture device are analyzed. A fluid-solid coupling model for the interaction between the energy capture device and the wave is established and numerically simulated. According to the numerical simulation results, the force and motion of the energy capture device under the action of the wave are analyzed, and the wave energy conversion efficiency of the energy capture device is analyzed from the point of view of the wave. It provides a reference for the practical application and further research of duck wave capture device.
【學(xué)位授予單位】:華北電力大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類(lèi)號(hào)】:P743.2
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