Ara es mostren els items 1-20 de 60

  • 3D compressible simulation of a muffler with pseudosound prediction levels 

    Ruano Pérez, Jesús; López Mas, Joan; Lehmkuhl Barba, Oriol; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David (Purdue University, 2016)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    The main objective of this paper is to present a numerical resolution of a suction muffler configuration by using an in-house object oriented CFD & HT code TermoFluids (Lehmkuhl et al. 2007), able to handle tridimensional ...
  • Actuaciones contra el ruido de actividades de ocio 

    Jiménez Diaz, Santiago; Romeu Garbí, Jordi; Pàmies Gómez, Teresa
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In many cities can be found areas where there is a high concentration of local leisure activities and evening entertainment (music bars, nightclubs, restaurants…) that develop their activity in coexistence with the residential ...
  • 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
    Accés restringit per política de l'editorial
    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 ...
  • A methodology for the calculation of the noise radiated by the rails and the tunnel structure in railway tunnels 

    Ghangale, Dhananjay; Colaço, Aires; Alves, Pedro; Arcos Villamarín, Robert (Sociedad Española de Acústica (SEA), 2019)
    Text en actes de congrés
    Accés obert
    In this paper, a robust and fast numerical methodology to compute re-radiated noise in underground railway tunnels is proposed. In this study, the noise analysis does not account for the noise radiation from the train ...
  • Analytical simulations on active control of sound transmission through an aperture in a rectangular enclosure 

    Pàmies Gómez, Teresa; Romeu Garbí, Jordi; Arcos Villamarín, Robert; Martín Román, Sara-Regina (2014-03-01)
    Article
    Accés restringit per política de l'editorial
    This paper uses an analytical model of sound transmission through an aperture for the study of the performance of an active control of sound inside the enclosure to prevent the transmission of sound through an aperture ...
  • A second generation of an autonomous and portable auditory screening system for cetacean clinical and research purposes 

    Mas, Alex; Castell Balaguer, Joan Vicent; Río Fernandez, Joaquín del; Van der Schaar, Mike Connor Roger Malcolm; Delory, Eric; André, Michel (2009)
    Comunicació de congrés
    Accés obert
  • Automatic detection of alarm sounds in a noisy hospital environment using model and non-model based approaches 

    Raboshchuk, Ganna; Gómez Quintana, Sergi; Peiró Lilja, Alexandre; Nadeu Camprubí, Climent (2017-11-12)
    Report de recerca
    Accés obert
    In the noisy acoustic environment of a Neonatal Intensive Care Unit (NICU) there is a variety of alarms, which are frequently triggered by the biomedical equipment. In this paper different approaches for automatic detection ...
  • Automatic detection of equipment alarms in a neonatal intensive care unit environment: a knowledge-based approach 

    Raboshchuk, Ganna; Jancovic, Peter; Nadeu Camprubí, Climent; Peiró Lilja, Alexandre Cristian; Kokuer, Munevver; Muñoz Mahamud, Blanca; Riverola de Veciana, Ana (International Speech Communication Association (ISCA), 2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Alarm sounds triggered by biomedical equipment play a key role in providing healthcare in a neonatal intensive care unit (NICU). This paper presents our work on automatic detection of acoustic alarms in a noisy NICU ...
  • Control activo de transmisión de ruido causado por sobrevuelo de aeronaves transmitido por una apertura en fachada 

    Pàmies Gómez, Teresa; Romeu Garbí, Jordi; Genesca Francitorra, Meritxell; Arcos Villamarín, Robert (Sociedad Española de Acústica (SEA), 2013)
    Text en actes de congrés
    Accés obert
    This 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 ...
  • Data-dependent error weighting for constant variance transversal filtering 

    Vázquez Grau, Gregorio (Elsevier, 1990)
    Text en actes de congrés
    Accés obert
  • Design and Development of an Active Noise Control 

    Ventura Ripol, Lucas (Universitat Politècnica de Catalunya, 2019-06)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    Realitzat a/amb:  Purdue University
  • Development of a hybrid FE-SEA-experimental model 

    Clot Razquin, Arnau; Meggitt, J.W.R.; Langley, Rob; Elliott, A; moorhouse, A (2019-12-01)
    Article
    Accés restringit per política de l'editorial
    The vibro-acoustic response of complex structures with uncertain properties is a problem of great concern for modern industries. In recent years, much research has been devoted to the prediction of this response in the ...
  • Disseny sonòmetre 

    Simón Sánchez, Albert (Universitat Politècnica de Catalunya, 2012)
    Projecte/Treball Final de Carrera
    Accés obert
    El projecte consisteix en el disseny i muntatge d’un circuit simple eficient de baix consum i molt econòmic capaç de mesurar amb una precisió suficient el nivell de soroll en el medi ambient urbà o industrial dintre el ...
  • Electronic upgrades on the second generation of an autonomous and portable cetacean auditory screening system 

    Mas, Alex; Castell Balaguer, Joan Vicent; Río Fernandez, Joaquín del; Van der Schaar, Mike Connor Roger Malcolm; André, Michel (2009)
    Text en actes de congrés
    Accés obert
    While noise is now considered a marine hazard that can directly affect cetaceans and induce a stranding, no clinical approach has yet introduced the detection of a possible hearing loss at a stranding site as a necessary ...
  • Equitable aircraft noise abatement departure procedures 

    Prats Menéndez, Xavier; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin (2011-01)
    Article
    Accés restringit per política de l'editorial
    This 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 

    Prats Menéndez, Xavier; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Nejjari Akhi-Elarab, Fatiha (2009)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    As 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 ...
  • Escape over a potential barrier driven by colored noise: large but finite correlation time 

    de la Rubia, Francisco Javier; Peacock-López, E.; Tsironis, G P; Lindenberg, Katja; Ramírez de la Piscina Millán, Laureano; Sancho, Jose Maria (1988)
    Article
    Accés obert
    The recent theory of Tsironis and Grigolini for the mean first-passage time from one metastable state to another of a bistable potential for long correlation times of the noise is extended to large but finite correlation times.
  • Estudi dels mecanismes dels vehicles de recollida d'escombraries per avaluar i corregir les fonts generadores de soroll 

    Masegosa Manzano, Sergio (Universitat Politècnica de Catalunya, 2011)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
    Se ha realizado un estudio de los mecanismos de recogida de basuras de Mataró de la empresa FCC (Fomento de construcciones y contratas) para evaluar y corregir las fuentes generadoras de sonido emitidos en el proceso de ...
  • Estudi de mesures reductores del soroll causat per les activitats d'oci al carrer Primer de Maig de Sitges 

    Balanyà i Anguera, Alguer (Universitat Politècnica de Catalunya, 2013-06)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    La contaminació acústica és un dels problemes actuals que podem trobar al carrer Primer de Maig de la localitat de Sitges. Aquest carrer està declarat com a zona acústica de règim especial també anomenat zona ZARE on s'hi ...
  • Estudio de las posibilidades de reducción de nivel sonoro en una nave de producción para la mejora de un control de ruido subjetivo 

    Requena Duran, Sergi (Universitat Politècnica de Catalunya, 2005)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
    Realitzat a/amb:  Robert Bosch España. Fábrica de Castellet
    Este documento está enmarcado en un proyecto a largo plazo que trata de dar solución a un problema encontrado en un departamento de producción de Robert Bosch. En este documento se hace un estudio para saber qué intensidad ...