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El treball consisteix en el disseny i posada en funcionament d'un experiment de coalescencia de bombolles per a diferents angles d'incidencia en condicions de microgravetat. S'analitzen les caracteristiques dels equips necessaris i els possibles proveidors, s'adquireixen els equips i es fa el muntatge al laboratori de microgravetat de la EPSC, on es testejen tots els elements del sistema experimental i es fan mesures amb condicions de gravetat normal. Es redacta una solicitud per a poder participar en la campanya de vols parabolics de la ESA orientada al estudiants. En cas de ser aprovada, es participara en aquesta campanya i, en cas contrari, hi haura la possibilitat de portar l'experiment a una torre de microgravetat. Aquest ha de ser un tfc coordinat i realitzat per 3 estudiants alhora per diversos motius. La quantitat de treball associada al treball es força gran i es recomanable que hi participin tres persones. Per altra part, la normativa dels vols parabolics de la ESA requereix que hi participin 4 estudiants, que seran els tres seleccionats i un d'una altra facultat.

Twenty years ago, the first low-cost airlines in Spain appeared. The introduction of these companies called low cost in the Spanish territory have benefited us exponentially in the traffic of passengers. More specifically, we can say that in Barcelona at the El Prat de Llobregat airport last year there was a great increase in circulation by low cost companies. One of the national companies par excellence is Vueling Airlines, which is located its main operating base in El Prat del Llobregat. It is the largest airline within Spanish territory in terms of destinations and by size of fleet and the second by number of passengers transported within Spanish territory, only surpassed by Irish Ryanair. The relationship between the EETAC (School of Telecommunications and Aerospace Engineering of Castelldefels) with the offices of Vueling Airlines has always collaborated so that students can develop their engineering skills from practices and collaborations. Work with the company from final research projects. Based on these collaborations, we have been able to develop research projects like this, which begin with the active participation in the Department of Vueling Operations Engineering, specifically in the field of Weight and Balance. Vueling Airlines is one of the pioneer airlines in the aeronautical sector in Spain. In order for a large company like this to remain the country's first, it is necessary that there is constant optimization and supervision of its operation. The Weight and Balance department is in charge of this aspect but focusing only on the weight and balance of the aircraft. This document attempts to analyze the program in charge of the distribution of passengers within the company's own aircraft. First of all, we analyze the current distribution program for passengers of the Vueling Airlines company, finding their weak points and possible points to improve. A fieldwork has been carried out with all the data of distribution of previous flights of Vueling. Once analyzed we will be able to decide on the most effective way of optimizing the program and with better results, with the intention of being able to fix the center of gravity at a point of the most optimum plane correcting the loss of fuel, increasing the distance, between others.