Now showing items 1-7 of 7

  • Active control of aircraft fly-over sound transmission through an open window 

    Pàmies Gómez, Teresa; Romeu Garbí, Jordi; Genesca Francitorra, Meritxell; Arcos Villamarín, Robert (2014-04-13)
    Article
    Restricted access - publisher's policy
    This paper presents an experimental work on active control of sound transmission through a restricted opening bottom hinged window. The main goal of the work is to demonstrate the feasibility of the active technique to ...
  • Aircraft noise-monitoring according to ISO 20906: evaluation of uncertainty derived from the human factors affecting event detection 

    Asensio, Alberto; Ausejo, Miguel; Kambrosic, Kristian; Kang, Jiang; Moschioni, Giovanni; Pagán, R.; Pavón, I.; Romeu Garbí, Jordi; Trujillo, J. A.; Vigano, Giacomo; Ruiz Delgado, Manuel; Recuero López, Manuel (2012)
    Article
    Restricted access - publisher's policy
    One of the most important issues in aircraft noise monitoring systems is the correct detection and marking of aircraft sound events through their measurement profiles, as this influences the reported results. In the recent ...
  • Design of a high performance low aerodynamic noise axial flow fan 

    Lanuza Fabregat, Manuel (Universitat Politècnica de Catalunya, 2007-05-02)
    Master thesis (pre-Bologna period)
    Open Access
    The project starts with a description of the main sources of noise in an axial flow fan for concluding that the thing we should avoid is the trailing edge noise. After that the formulas for designing a fan and an aerodynamics ...
  • Estudi de performances d'enlairament d'avions pel disseny de procediments d'atenuacio de soroll 

    Vela Bulbena, Sergi; Expósito Ballesca, Daniel (Universitat Politècnica de Catalunya, 2011-06-28)
    Bachelor thesis
    Open Access
    Aquest projecte es una contribucio a la recerca vigent que tracta de minimitzar l'impacte acustic produit per les aeronaus en operacions d'enlairament. En concret, el present treball es centra en l'estudi de la distancia ...
  • Hierarchical and sensitivity analysis for noise abatement departure procedures 

    Prats Menéndez, Xavier; Quevedo Casín, Joseba Jokin; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha (2008-06)
    Conference lecture
    Open Access
    Nowadays, the establishment of new noise abatement procedures is one of the main issues that airport authorities have to address. As a continuation of previous studies, the authors present in this paper a strategy for ...
  • Redesign the engine frame of Midour III aircraft 

    Afoda, Ahamed; Farto Redondo, Adrian; Kuzalski, Cezary; Ferré López, Gerard; Mitru, Razvan Adrian (Universitat Politècnica de Catalunya, 2017-06-27)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  Ecole Nationale d'Ingénieurs de Tarbes
    Midour III is a full size wooden amateur-build aircraft which is currently being built at the airfield of Tarbes by Vélivole Association. Unfortunately, the airfield is placed in a very sensitive surrounding which is the ...
  • Sistema sensor autónomo para la medida de la contaminación acústica provocada por el aeropuerto 

    Fernández Sanmiguel, Luis Jorge (Universitat Politècnica de Catalunya, 2008-05-14)
    Master thesis (pre-Bologna period)
    Open Access
    En estos últimos años la gran expansión que ha sufrido la aviación ha reportado enormes beneficios y ofrecido multitud de oportunidades a la población mundial. Aún así no todo son ventajas, sobretodo concerniente al tema ...