Numerical Simulation of Gust Allevation System for Transport Aircraft
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Cita com:
hdl:2117/192901
Correu electrònic de l'autorcesaaargmgmail.com
Realitzat a/ambTechnische Universität Braunschweig
Tipus de documentTreball Final de Grau
Data2020-04-14
Condicions d'accésAccés restringit per decisió de l'autor
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Abstract
Gust Alleviation (GA) represents a big research effort in the aviation industry in the late years. The recent implementation of new materials for structure with higher strength and reduced weight allows for a more cost-efficient flight and improved performances. However, this reduced weight makes the whole structure more vulnerable to external gusts. Particularly, the Wing Bending Moment is of particular interest. In this Final Degree Thesis, which is performed in collaboration of the TU-Braunschweig and the UPC through the Erasmus + Programme of the EU, a numerical simulation of diferent GA conceptsis performed in order to find the one which reduces the WBM the most. Being the first Computational Fluid Dynamics (CFD) study with the Finite Volume Method (FVM) and the DLR-TAU environment which the student performs, an initial phase of adapta- tion is performed. The test aircraft is a typical mid-range model of commercial aircraft created by the DLR consisting only of a fuselage-wing configuration. A GA system is designed using CATIA and it is placed in different positions, according to former research performed by the group which the TU-BS is a member. An unstructured meshing is performed using the highly-automated commercial software CEN- TAUR. PointWise is going to be used for computation of the deformation coordinates of the GA system, for unsteady simulations are performed. The meshed model is input within the DLR-TAU interface, a complete environment for the preprocessing and solving of the physical equations, either the Navier-Stokes (N-S) equations or the Euler equations. In this preliminary state of the research, the Euler Equations are used in order to obtain faster results. Finally, the post-processing is performed with Tecplot, MATLAB and other Python scripts.
MatèriesFlaps (Airplanes), Mechanical engineering--Mathematical models, Simulació, Mètodes de, Aerodinàmica
TitulacióGRAU EN ENGINYERIA DE SISTEMES AEROESPACIALS (Pla 2015)
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memoria.pdf | 12,45Mb | Accés restringit |