Exploració per tema "Avions -- Soroll"
Ara es mostren els items 1-20 de 24
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Active control of aircraft fly-over sound transmission through an open window
(2014-04-13)
Article
Accés restringit per política de l'editorialThis 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 annoyance minimization around urban airports based on fuzzy logic
(GERAD; École Polytechnique de Montréal; Cadi Ayyad University, 2007-05)
Text en actes de congrés
Accés obertThis paper presents a strategy based on fuzzy logic and lexicographic multi-objective optimization for designing noise abatement procedures aimed at reducing the noise exposure of the population living around the airports. ... -
Aircraft noise-monitoring according to ISO 20906: evaluation of uncertainty derived from the human factors affecting event detection
(2012)
Article
Accés restringit per política de l'editorialOne 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 ... -
An environmental assessment of air traffic speed constraints in the departure phase of flight: A case study at Gothenburg Landvetter Airport, Sweden
(2012-12)
Article
Accés restringit per política de l'editorial -
Control activo de transmisión de ruido causado por sobrevuelo de aeronaves transmitido por una apertura en fachada
(Sociedad Española de Acústica (SEA), 2013)
Text en actes de congrés
Accés obertThis paper presents an experimental study based on the active control of sound transmission through narrow opening of a casament window below. The main objective of the paper is to demostrate the feasibility of the ... -
Design of a high performance low aerodynamic noise axial flow fan
(Universitat Politècnica de Catalunya, 2007-05-02)
Projecte/Treball Final de Carrera
Accés obertThe 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 ... -
Equitable aircraft noise abatement departure procedures
(2011-01)
Article
Accés restringit per política de l'editorialThis paper deals with the optimization of aircraft noise-abatement departure procedures. A multicriteria optimization strategy is presented, where the fairness of the optimal trajectories is assessed vis-à-vis the ... -
Equitable noise abatement departure procedures
(2009)
Text en actes de congrés
Accés restringit per política de l'editorialAs an extension of previous research, this paper deals with the optimisation of noise abatement departure procedures where the perceived annoyance at different sensitive lo- cations is modelled and chosen as optimisation ... -
Estudi de performances d'enlairament d'avions pel disseny de procediments d'atenuacio de soroll
(Universitat Politècnica de Catalunya, 2011-06-28)
Treball Final de Grau
Accés obertAquest 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 ... -
Estudi de propagació del soroll aeronàutic mitjançant la correlació del nivell de soroll mesurat en sonòmetres amb les trajectòries reals
(Universitat Politècnica de Catalunya, 2019-01)
Treball Final de Grau
Accés restringit per decisió de l'autorEl soroll aeronàutic generat durant les operacions d’enlairament i aterratge és una problemàtica que afecta a milers aeroports, i a la qual les autoritats aeroportuàries destinen nombrosos recursos en tasques de monitoratge ... -
Estudi del dimensionament i la configuració preliminar d’un jet de negocis de mida mitjana i llarg abast
(Universitat Politècnica de Catalunya, 2014-09)
Projecte/Treball Final de Carrera
Accés obertEn aquest estudi es presenta la primera fase del disseny preliminar d’una aeronau d’aviació corporativa. L’objectiu principal és definir els paràmetres o característiques essencials de l’aeronau, així com establir la ... -
Hierarchical and sensitivity analysis for noise abatement departure procedures
(2008-06)
Comunicació de congrés
Accés obertNowadays, 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 ... -
Lexicographic optimisation for optimal departure aircraft trajectories
(2010)
Article
Accés restringit per política de l'editorial -
Multi-objective optimisation for aircraft departure trajectories minimising noise annoyance
(2010)
Article
Accés restringit per política de l'editorial -
Multi-objective optimization strategy for designing aircraft noise abatement procedures. Case study at Girona airport
(2011-01)
Article
Accés restringit per decisió de l'autorThe optimization of aircraft noise abatement procedures involves several conflicting factors, including location specific noise sensitivity and aircraft operating costs. This paper presents a multi-objective optimization ... -
Optimal departure aircraft trajectories minimising population annoyance
(Eurocontrol, 2008-06)
Text en actes de congrés
Accés obertThis paper presents a strategy for designing noise abatement procedures aimed at reducing the global annoyance perceived for the population living around the airports. By using fuzzy logic techniques it is shown how ... -
Optimisation of site-specific noise abatement departure procedures
(2010)
Text en actes de congrés
Accés restringit per política de l'editorialThe optimisation of aircraft noise abatement procedures involves several conflicting factors, including several noise sensitive locations and aircraft operating costs. This paper presents some strategies that aim at ... -
Optimización de trayectorias de aviones para minimizar la molestia acústica modelizada mediante lógica borrosa
(Comité Español de Automática, 2008-04)
Article
Accés obert -
Planning of aircraft departure trajectories by using fuzzy logic and lexocographic optimization
(2007)
Text en actes de congrés
Accés obertIn this paper a strategy for planning aircraft departure trajectories for a given airport is presented. Noise annoyance produced by overflying aircraft is modelled by using fuzzy logic in function of the received noise ... -
Redesign the engine frame of Midour III aircraft
(Universitat Politècnica de Catalunya, 2017-06-27)
Treball Final de Grau
Accés restringit per decisió de l'autor
Realitzat a/amb: Ecole Nationale d'Ingénieurs de TarbesMidour 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 ...