acoustic barrier Articles
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Accurate and efficient prediction of acoustical performance of noise barriers against transport noise pollution
An improved acoustical wave propagator (I_AWP) technique with high-order absorbing boundary technique is introduced to evaluate the acoustical wave interaction for noise barriers, providing the dual benefit of preserving high numerical accuracy (boundary conditions have been properly treated) and obtaining high computational efficiency (using a larger time step in the calculation). The aim is to ...
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Industrial Noise Control Services
Industrial Noise Control Studies Study different equipment noise and recommend suitable noise insulation. This include diesel generators, gas turbines, compressors, pumps, fans, chillers, factory machineries, traffic noise,...etc. Our evaluations and recommended solutions meet general guidelines and practices of international standards and nroise laboratories such as ASTM E477, ASTM E90, ISO ...
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I Need a Hearing Conservation Program – What Should I Do?
The regulation that involves Hearing Conservation and Noise Reduction is the Occupational Safety and Health Administration (OSHA) under the Health Education and Welfare Department (HEW) of the Federal Government in the U.S. The specific regulations covering noise exposure to workers in American Industry are: General Industry 29CFR1910.95 Construction 29CFR1926.52 The specific noise regulation ...
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Cirrus helps music festival keep the peace with local residents - Case study
With the summer season in full swing, people up and down the country are travelling far and wide to attend the year’s biggest music festivals. What better way is there to enjoy this glorious British summer than to venture off to enjoy a few days of fantastic music, surrounded by your favourite people? Music festivals are synonymous with British summer but as fun as they may be, they can, if ...
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