Noise pollution is a major problem in the modern industrialized world. A noisy environment is difficult to work in and possess a health risk as well. Proper environmental noise control is needed to better the acoustic environment. Persons who work in noisy industrial areas should undergo regular medical check-ups to ensure that they have not suffered from hearing impairment.
There are numerous other sources of this kind of pollution other than manufacturing industries. They include, among others, architecture, transport and urban planning. The most stubborn causes of pollution in this context worldwide are aircraft and road traffic. While some sources of pollution are fairly easy to control others like human social activities present a major challenge.
Different methods have been used to manage interior sound levels. These include party wall designs, exterior walls, and floor and ceiling assemblies. Rooms designed for specific purposes like entertainment halls, recording rooms and auditoria generate sound which can be contained by constructing sound absorbers or baffles. Sound masking as opposed to proofing refers to active addition of sounds to minimize the perception unwanted sounds.
Development of hybrid vehicles in efforts to control road traffic sources will need to attain a market share of about fifty percent to have a significant impact on the streets. Improving tire tread designs for trucks better shielding diesel stacks are some of the ways of curbing noise at source level. Speed control is effective since the minimum sound emissions come from vehicles moving at a speed of at least thirty kilometres per hour.
In the aircraft industry, getting rid of loud engine designs is one of the few measures put in place as a noise control strategy. A number of different flight restrictions are a great potential to improved acoustic environment. This may include preferred use of runways, time of day restrictions and departure flight path. The major setbacks however are flying inconvenience, flight economics and safety.
A variety of materials and finishes can be used to in acoustic walls and ceiling panels. The ideal panels are those that do not interfere with the substrate. To maximise absorption, fabric covers are incorporated. Windows to buildings can be modified in manner that controls sound movement. To prevent sound transmission from outside, thicker or double glazed windows may also be used.
Noise from industrial equipment can be reduced by redesigning the machinery to operate in a manner less prone to produce extreme sounds. Additionally, workers can be provided ear protection equipment, shock mounting source equipment and creation of solid barriers. With regard to more conventional office environments, remedies may also involve researching for silent office equipment such as printers and photocopy machines.
A properly organised environmental noise control framework is required in virtually all public places. The methods chosen for this are variable but will fall in any of the following categories: vibration dumping, vibration isolation, absorption or sound isolation. In general, sound isolation is the use of barriers to impede transmission. Damping involves extraction of vibration energy from various media and dissipating it as heat.
There are numerous other sources of this kind of pollution other than manufacturing industries. They include, among others, architecture, transport and urban planning. The most stubborn causes of pollution in this context worldwide are aircraft and road traffic. While some sources of pollution are fairly easy to control others like human social activities present a major challenge.
Different methods have been used to manage interior sound levels. These include party wall designs, exterior walls, and floor and ceiling assemblies. Rooms designed for specific purposes like entertainment halls, recording rooms and auditoria generate sound which can be contained by constructing sound absorbers or baffles. Sound masking as opposed to proofing refers to active addition of sounds to minimize the perception unwanted sounds.
Development of hybrid vehicles in efforts to control road traffic sources will need to attain a market share of about fifty percent to have a significant impact on the streets. Improving tire tread designs for trucks better shielding diesel stacks are some of the ways of curbing noise at source level. Speed control is effective since the minimum sound emissions come from vehicles moving at a speed of at least thirty kilometres per hour.
In the aircraft industry, getting rid of loud engine designs is one of the few measures put in place as a noise control strategy. A number of different flight restrictions are a great potential to improved acoustic environment. This may include preferred use of runways, time of day restrictions and departure flight path. The major setbacks however are flying inconvenience, flight economics and safety.
A variety of materials and finishes can be used to in acoustic walls and ceiling panels. The ideal panels are those that do not interfere with the substrate. To maximise absorption, fabric covers are incorporated. Windows to buildings can be modified in manner that controls sound movement. To prevent sound transmission from outside, thicker or double glazed windows may also be used.
Noise from industrial equipment can be reduced by redesigning the machinery to operate in a manner less prone to produce extreme sounds. Additionally, workers can be provided ear protection equipment, shock mounting source equipment and creation of solid barriers. With regard to more conventional office environments, remedies may also involve researching for silent office equipment such as printers and photocopy machines.
A properly organised environmental noise control framework is required in virtually all public places. The methods chosen for this are variable but will fall in any of the following categories: vibration dumping, vibration isolation, absorption or sound isolation. In general, sound isolation is the use of barriers to impede transmission. Damping involves extraction of vibration energy from various media and dissipating it as heat.
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