Browsing by Subject "Noise control"

Now showing items 1-20 of 65

    • 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 ...

    • 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)
      Conference report
      Open Access
      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 ...

    • 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

    • 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 ...

    • 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

    • 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
      Restricted access - publisher's policy
      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)
      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 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)
      Bachelor thesis
      Restricted access - author's decision
      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 ...

    • Estudi de viabilitat d'un sistema de control actiu de soroll basat en Arduino 

      Altarriba Fernandez, Albert (Universitat Politècnica de Catalunya, 2020-05)
      Bachelor thesis
      Open Access
      The active noise control is a technique that cancels undesired noise. This works by adding sound in a controlled way based on the superposition principle, which says that if two waves of the same characteristics are added, ...

    • 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 ...