Now showing items 1-20 of 50

  • 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)
    Conference lecture
    Restricted access - publisher's policy
    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
    Conference report
    Restricted access - publisher's policy
    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
    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 ...
  • 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
    Restricted access - publisher's policy
    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)
    Conference lecture
    Open Access
  • 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)
    External research report
    Open Access
    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)
    Conference report
    Restricted access - publisher's policy
    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)
    Conference report
    Open Access
    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)
    Conference report
    Open Access
  • Design and Development of an Active Noise Control 

    Ventura Ripol, Lucas (Universitat Politècnica de Catalunya, 2019-06)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  Purdue University
  • Disseny sonòmetre 

    Simón Sánchez, Albert (Universitat Politècnica de Catalunya, 2012)
    Master thesis (pre-Bologna period)
    Open Access
    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)
    Conference report
    Open Access
    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
    Restricted access - publisher's policy
    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)
    Conference report
    Restricted access - publisher's policy
    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
    Open Access
    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)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    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 ...
  • 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)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Covenantee:  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 ...
  • Estudio en simulación de control activo de ruido acústico mediante algoritmos de control feed-forward (no-realimentado) 

    Sancho Barceló, Jose María (Universitat Politècnica de Catalunya, 2017-05-19)
    Bachelor thesis
    Open Access
    Se pretende realizar un estudio de control activo de ruido en simulación empleando técnicas y algoritmos de control feed-forward, que den como resultado una cancelación de ruido para un sistema en forma de tubo de calefacción ...
  • Étude de faisabilité et de compatibilité d’isolateurs de ligne 

    Creixell Lorite, Helena (Universitat Politècnica de Catalunya / Institut National des Sciences Appliquées de Toulouse, 2013)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Covenantee:  Institut national des sciences appliquées de Toulouse
    Le but de ce projet est d’étudier la possibilité d’incorporer un nouveau dispositif à la liste de produits de l’entreprise : l’isolateur de ligne 100 V. Ce dispositif naît d’un besoin, puisque la norme NF S 61-932 oblige ...
  • Evaluación de ruido de un puesto de trabajo en una industria 

    Moran Ramos, Alejandro (Universitat Politècnica de Catalunya / Universitat de Barcelona / Universitat Pompeu Fabra, 2014-07)
    Master thesis
    Restricted access - author's decision
    El presente documento recoge el trabajo final del máster de prevención de riesgos laborales, en el que se intentan aplicar algunos de los conocimientos alcanzados en estos estudios. Al haber tenido acceso a la utilización ...