Travelling Waves Approach in a Parabolic Coupled System for Modelling the Behaviour of Substances in a Fuel Tank.
Autor: Díaz Palencia, José Luis
Resumen: The aim of this work was to provide a formulation of a non-linear diffusion model with
forced convection in the form of a reaction–absorption system. The model was studied with analytical
and numerical approaches in the frame of the parabolic operators theory. In addition, the solutions
are applied to a gas interaction phenomenon with the intention of producing an inerted ullage in an
Airbus A320 aircraft centre fuel tank. We made use of the travelling wave (TW) solutions approach
to study the existence of solutions, stability and the precise evolution of profiles. The application
exercise sought to answer a key question for aerospace sciences which can be formulated as the time
required to ensure an aircraft fuel tank is safe (inerted) to prevent explosion due to the presence of
oxygen in the tank ullage.
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