A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The Attenuation of Road Traffic Noise Entering Buildings Using Quarter-Wave Resonators: Mechanism of Attenuation and Model Experiments
This paper describes research into the use of quarter-wave resonators for the attenuation of noise entering buildings. Previous work1 demonstrated the effectiveness of a single cavity resonator, achieving over 6dB attenuation in the third octave band to which it was tuned. Proposed mechanisms of resonator attenuation are discussed and model results with a multiple cavity system, which achieved 8dB and 6dB in the third octaves to which the cavities were tuned, are now presented. Research is also extended to a resonator system with cavities tuned to three frequencies. Model results are presented using a scaled DAT recording of road traffic noise as the noise source. This technique gives an indication of the results expected for a working prototype.
The Attenuation of Road Traffic Noise Entering Buildings Using Quarter-Wave Resonators: Mechanism of Attenuation and Model Experiments
This paper describes research into the use of quarter-wave resonators for the attenuation of noise entering buildings. Previous work1 demonstrated the effectiveness of a single cavity resonator, achieving over 6dB attenuation in the third octave band to which it was tuned. Proposed mechanisms of resonator attenuation are discussed and model results with a multiple cavity system, which achieved 8dB and 6dB in the third octaves to which the cavities were tuned, are now presented. Research is also extended to a resonator system with cavities tuned to three frequencies. Model results are presented using a scaled DAT recording of road traffic noise as the noise source. This technique gives an indication of the results expected for a working prototype.
The Attenuation of Road Traffic Noise Entering Buildings Using Quarter-Wave Resonators: Mechanism of Attenuation and Model Experiments
Field, C.D. (author) / Fricke, F.R. (author)
Building Acoustics ; 2 ; 625-635
1995-12-01
11 pages
Article (Journal)
Electronic Resource
English
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