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Impacto acústico generado por los procesos de recogida selectiva de residuos urbanos
(2009)
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La recogida de residuos urbanos es uno de los servicios municipales, junto con la limpieza viaria, que más quejas y molestias por ruido genera. Este aspecto queda claramente reflejado en los estudios de percepción social ...
Actuaciones contra el ruido de actividades de ocio
(2018)
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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 ...
A methodology for the assessment of underground railway-induced vibrations based on radiated energy flow computed by means of a 2.5D FEM-BEM approach
(Springer, 2019)
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In this paper, a comprehensive numerical approach formulated in two-and-a-half dimension (2.5D) for modelling track/tunnel/soil systems in the context of ground-borne railway-induced vibration problems considering a ...
Prediction of the isolation efficiency of vibration countermeasures for a double-deck tunnel
(Sociedade Portuguesa de Acústica, 2016)
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Double-deck tunnels are an innovative tunnel design that has been recently implemented in some underground railways and metro lines worldwide. However, due to the complexity of this type of structures, its dynamic response ...
Assessment of dynamic vibration absorber efficiency as a countermeasure for ground-borne vibrations induced by train pass-by in double-deck tunnels using an energy flow criterion
(2019)
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The environmental problems due to ground-borne vibrations induced by underground railway traffic are an issue of growing concern in urban areas as the demand for underground railway network has been increased. The demand ...
Revision of cancellation at the edge approach for active noise barrier
(2020)
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In most of the investigations, the active noise barriers are configured placing both secondary sources and error sensors close to the edge of barriers, but it is unclear how far is this approach from the maximum theoretical ...
CATdBTren project: a complete model for the assessment of vibration impact from new railway infrastructures
(2009)
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The prediction of vibration impact remains as a complex challenge for designers of new railway infrastructures. Due to the large quantity of parameters involved in the generation, transmission and reception of the vibration ...
Multi-antenna configuration modeling for massive MIMO V2I
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
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There is a growing research interest in massive Multiple Input Multiple Output (MIMO) antenna systems because of their higher channel capacity and energy efficiency. New applications in digital mobility and connected car ...
Efficiency of isolated concrete blocks applied in railway slab tracks as mitigation measures for railway-induced ground-borne vibration in tunnels
(Institute of Noise Control Engineering, 2020)
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This paper presents a study of the efficiency of isolated concrete blocks as vibration mitigation measures for railway-induced ground-borne vibration problems in subway metro tunnels. The study is performed numerically, ...
A measurement method to discriminate aircraft fly-over noise
(2010)
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Currently aircraft noise monitoring systems use a mesh of single microphones distributed around an airport to continuously sample the noise level. This fact requires a manual process of aircraft noise event detection and ...