Proper location of the transducers for an active noise barrier
Journal of Vibration and Control, 2022 The main intention of this study is to propose general criteria for the locations of the control sources and error microphones that improve the performance of the active noise barrier.
Shahin Sohrabi +2 more
semanticscholar +1 more source
Urban road traffic noise monitoring, mapping, modelling, and mitigation: A thematic review
Noise Mapping, 2022 This article analyses the most recent studies on urban traffic noise. About 67 relevant articles on urban road traffic noise and its mitigation strategies were preferred for a critical review.
Ranpise Ramesh B., Tandel Bhaven N.
doaj +1 more source
Life cycle assessment of a low-height noise barrier for railway traffic noise
Journal of Cleaner Production, 2021 Life cycle assessment (LCA) methodology was applied to assess five locally developed mix designs for a 20 m low-height noise barrier (LHNB) categorized as: precast Portland cement concrete (S0-baseline scenario), two precast geopolymer composites (S1; S2)
Mariam Abdulkareem +3 more
semanticscholar +1 more source
The effect of noise barriers on viaducts on pollutant dispersion in complex street canyons
Energy and Built Environment, 2023 The noise reduction effect of noise barriers has been extensively studied, but the effect on pollutant dispersion remains unclear. A computational fluid dynamics (CFD) simulation is conducted to investigate the effects of different heights, lengths, and ...
Tingzhen Ming +8 more
doaj +1 more source
Fatigue Life Prediction for Semi-Closed Noise Barrier of High-Speed Railway under Wind Load
Sustainability, 2021 The fatigue state of the semi-closed noise barrier directly affects driving safety, and replacement after damage leads to train delays and increased operating costs. It is more eco-friendly and sustainable to predict the fatigue life of noise barriers to
Xiaoping Wu +3 more
semanticscholar +1 more source
Increasing the Insertion Loss of Sonic Crystal Noise Barriers with Helmholtz Resonators
Applied Sciences, 2023 Helmholtz resonators (HRs) have the advantage of extending and improving their insulating capacity when used as scatterers in noise barriers made of periodic media, such as sonic crystals (SCs).
Javier Redondo +2 more
doaj +1 more source
Traffic Noise Reduction Strategy in a Large City and an Analysis of Its Effect
Applied Sciences, 2022 A noise reduction strategy was proposed for Panyu District of Guangzhou City based on its traffic noise map, which considered both road and railway traffic noise.
Hsiao Mun Lee +3 more
doaj +1 more source
Key Points of Acoustic Consultation for Highway Noise barrier Design Optimization [PDF]
E3S Web of Conferences, 2020 Noise barrier treatment is a traffic noise pollution prevention project. Many domestic residents along high-grade highways are densely distributed and there are many sensitive points in the acoustic environment.
Huang Shufang +4 more
doaj +1 more source
Noise Reduction by Barriers [PDF]
The Journal of the Acoustical Society of America, 1973 A literature review is prepared to summarize the present state of knowledge concerning the field performance of barriers, with particular reference to screen-type barriers on finite impedance ground, to barriers of finite thickness, to right-angle wedges, to multiple barriers, and to effects of wind.
openaire +1 more source
Suitability of Active Noise Barriers for Construction Sites
Applied Sciences, 2020 Barriers are increasingly used to protect the pedestrian and neighboring buildings from construction noise activities. This study aims to investigate the suitability of applying active noise control on barriers in a construction site to protect the ...
Shahin Sohrabi +2 more
doaj +1 more source