In this article we shall consider methods of reducing exposure to noise from traffic, as distinct from the methods for reducing noise at the source through improved vehicle design. These methods, which are applied in different ways from place to place, are essentially of three types: 1. Noise reduction by urban planning and road design […]
How to Reduce Traffic Noise? | Noise Pollution
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How to Reduce Gear Noise in Industries?
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There are five fundamental and distinct approaches to gear noise reduction available to the acoustical engineer: 1. Change the basic gear type or material. 2. Modify the tooth profile. 3. Introduce damping or shock reducing material 4. Increase the transmission loss TL of the gear box. 5. Total enclosure. Often a combination of selected measures […]
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How to Reduce and Control Noise from Power Press Industry?
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Of all the machine tools, the power press or punch press has over the years presented one of the most formidable challenges to the acoustical engineer. There is no single noise source present but rather many noise sources. Some of these noise mechanisms can be traced to easily identifiable singular causes, while others result from […]