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NOISE POLLUTION AND ITS EFFECT ON URBAN AREAS presentation


Posted by: seminar presentation
Created at: Saturday 01st of May 2010 09:11:28 AM
Last Edited Or Replied at :Saturday 01st of May 2010 09:11:28 AM
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g network is ËœAâ„¢ weighing. They are represented as dB A.




Decibel

Decibel is widely used as measure of sound level. The ratio of the lowest sound power level to loudest power level is approximately one to one million.
Sound Power level, Lw= 10 log10 (W/ Wref)
Sound Pressure level , Lp= 20 log10 (P/ Pref)

Parameters that affect measurement


Sound Pressure Level vs. Distance from the Source
Attenuation of Sound
Wind Effects
Air Absorption
Temperature Gradient
G..................[:=> Show Contents <=:]



NOISE POLLUTION


Posted by: seminar class
Created at: Monday 28th of March 2011 01:24:12 AM
Last Edited Or Replied at :Wednesday 13th of February 2013 10:54:58 PM
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t also the world in which we live in.
What is Noise Pollution ?
In simple words the Noise Pollution can be defined like the excess of sound that disrupts the normal conditions of the environment in a certain area.
Sounds are considered noise pollution if they adversely affect wildlife, human activity, or are capable of damaging physical structures on a regular, repeating basis. In the broadest sense of the term, a sound may be considered noise pollution if it disturbs any natural process or causes human harm, even if the sound does not occur on a regular basis.
What is Decibel (d..................[:=> Show Contents <=:]



noise pollution and control in chemical industry


Posted by: srestha das
Created at: Friday 25th of February 2011 10:53:25 PM
Last Edited Or Replied at :Saturday 30th of April 2011 12:32:52 AM
noise pollution and control in chemical industry , noise, industry pollution , pollution management, pollution laws , pollution information, air and noise pollution , pollution control methods, sound pollution , forms of pollution, pollution water , control noise pollution, water pollution control , pollution, air pollution control , pollution control, control , chemical, industry , noise pollution and control in chemical industry, www infoaboutnoisepollution com , noise pollution, laws to control noise pollution seminar , noise pollution and law, noise pollution control in industry , noise polution in chemical industy,
This is srestha..................[:=> Show Contents <=:]



NOISE POLLUTION AND CONTROL IN CHEMICAL INDUSTRY


Posted by: nishantjr
Created at: Wednesday 22nd of September 2010 06:37:35 AM
Last Edited Or Replied at :Thursday 30th of September 2010 10:09:06 AM
INDUSTRY , CHEMICAL, CONTROL , POLLUTION, NOISE , noise pollution and control in industries, noise pollution and control in chemical industry ppt , noise pollution and its chemical control, noise pollution in chemical industries and its control , control of noise pollution in textile industries, noise pollution industry pdf , noise pollution and control in chemical industry, seminar on sound pollution , noise pollution control in textile industry ppt, latest noise poolution its control pdf files , noise pollution its control pdf, industrial noise pollution pdf , ppt noise pollution pdf, engineering noise pollution control in industry pdf , seminar on noise pollution, seminar on pollution pdf , noise pollution,
I am a student studying chemical engineering in thrissur government engineering college, kerala. I was very interested in the topic ' NOISE POLLUTION AND CONTROL IN CHEMICAL INDUSTRY'. I w..................[:=> Show Contents <=:]



NOISE POLLUTION AND ITS EFFECT ON URBAN AREAS presentation


Posted by: seminar presentation
Created at: Saturday 01st of May 2010 09:11:28 AM
Last Edited Or Replied at :Saturday 01st of May 2010 09:11:28 AM
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ources causing Noise Pollution
Road Traffic Noise


Aircraft Noise


Noise from Railroads






Effects

Interference with communication

Noise induced hearing loss

Effects on sleep







Effects on performance behavior

Other health effects



Sound level meter

Noise Pollution and Control Rules 2000
Ambient noise limits
conclusion
Control measures
Immediate measures
Proper maintenance of vehicles
Thick vegetation and growing trees on road side
By lodging a formal complaint
Raising obstruction and barriers betwee..................[:=> Show Contents <=:]



noise barriers full report


Posted by: project report tiger
Created at: Monday 15th of February 2010 02:06:39 AM
Last Edited Or Replied at :Monday 15th of February 2010 02:06:39 AM
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urface texture. A primary objective of noise barrier design should be to avoid a tunnel effect for the motorist. This can be accomplished by varying the forms, materials, and surface treatments.
Graffiti on noise barriers can be a potential problem. One solution is to use materials that can be readily washed or repainted. Landscaping and plantings near barriers can also be used to discourage graffiti, as well as to add visual quality.
5.5 Does construction of a noise barrier increase noise levels on the opposite side of the highway
Residents adjacent to a highway sometimes feel that thei..................[:=> Show Contents <=:]



NOISE POLLUTION AND CONTROL IN CHEMICAL INDUSTRY


Posted by: seminar projects crazy
Created at: Friday 30th of January 2009 01:00:49 PM
Last Edited Or Replied at :Friday 30th of January 2009 01:00:49 PM
INDUSTRY, CHEMICAL , CONTROL, POLLUTION , NOISE, seminar topics for pollution control in industries , noise pollution and control in chemical industry ppt, noise pollution and control in chemical industry , noise pollution in chemical industries and its control, noise in chemical industry , noise pollution siminar, how is noise pollution controlled in industry , how to control noise pollution in industries, what are the control measures of noise in industries , noise pollution control in industry, noise pollution seminar , sound pollution topic for seminar, what chemicals are in noise pollution , control of industrial noice pollution, health hazards of noise pollution in industries ppt , noise pollution,
of complete plant noise is not possible and is unnecessary. Only part of the noise that becomes excessive, needs control to arrive at an acceptable level...................[:=> Show Contents <=:]



AUTOMOBILE POLLUTION


Posted by: seminar projects crazy
Created at: Friday 30th of January 2009 12:43:19 PM
Last Edited Or Replied at :Friday 30th of January 2009 12:43:19 PM
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use of I.C engines around the world are increasing day by day. Hence the pollution caused by the vehicles is great problem to whole world. The consequences of pollutants are grievous. The air we breathe and water we drink have become contaminated with chemical and that adversely affect our health. The recent developments in auto mobile technology reduce the pollutions into reasonable extent. In this report various types of emission control devices used in modern vehicles are described. The major causes of air pollution are automobile pollution. This badly affects the health of human beings. I..................[:=> Show Contents <=:]



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