Publication: Analysis of the effect of gusts on an array of plates with ground effect
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2014-06
Defense date
2014-07-11
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Abstract
This thesis studies the aerodynamic forces on an array of flat plates near the ground. Discrete wind gusts overlap a constant free-stream velocity, and the behaviour of the forces acting on both plates are analyzed, emphasizing the influence of the trailing wakes on the system. The simulation employs a program based on unsteady two-dimensional potential ow, discretizing the airfoils into vortex elements. The program has been developed specifically as part of this thesis. All the work performed is thoroughly presented in this document. The results of the analysis provide an insight into the in uence of different parameters on the forces acting on the plates. The trailing plate is particularly affected by the strong vorticity of the first plate's wake, creating a visible interaction. Computational parameters have been chosen carefully via validation against analytical solutions. Lastly, an application of the results on solar panel design is proposed. Essentially, the problem has been positively analyzed with the proposed method. The findings attained open the door for future development of the method, for either this particular scenario or a different one.
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Aerodinámica, Dinámica de fluidos