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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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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
Ground Attenuation






Sources 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 leve..................[:=> 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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the relation of physical stimuli and sensory perceptions
Structure of the human ear
Effects Of Noise On Humans

a) Auditory effects interfering with hearing; auditory fatigue and deafness.
b) Non-auditory effects interfering with social behaviour
c) Physiological effects affecting biological functions
d) Endocrine and hormonal changes relating to stress and noise levels. i.e. raised adrenaline and cholesterol.
e) Psychological effects; physical and mental fatigue, loss of concentration, lower efficiency……………..
Cardiovascular effects
Noise has been associ..................[:=> 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
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This is srestha Das.
i need to find about noise pollution happ..................[:=> 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
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I am a student studying chemical engineering in thrissur government engineering college, kerala. I was very interested in the topic ' ..................[:=> 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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g seasickness.

Be it human or machine-created noise disrupts the activity and balance of life. Humans, animals, plants and even inert objects like buildings, monuments and bridges have been the victims of noise pollution.

Noise pollution is considered as major hazards of modern life especially in urban areas-areas that are most industrialized and urbanized.

Materials related to Sound
Sound Waves

Sound waves are caused due to variation in pressure above or below the static value of atmospheric pressure.

Frequency of sound

Fre..................[:=> 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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tas, to the extent possible.
5.4 Are motorists view considered
The psychological effect of noise barriers on the passing motorist should be a part of barrier design and construction. Noise barriers in dense, urban settings should be designed differently than barriers in more open suburban or rural areas, and they should be designed to avoid monotony for the motorist. At normal roadway speeds, motorists tend to notice noise barriers overall form, color, and surface texture. A primary objective of noise barrier design should be to avoid a tunnel effect for the motorist. This can be accompli..................[:=> 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,
f noise. The increased speed to achieve greater productivity, higher velocity of the process stream, vibration etc. are th..................[:=> 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
global environmental problems pollution global, pollution games , air pollution graph, pollution global warming , pollution graphs, national pollution discharge elimination system , pollution disasters, pollution degree , water pollution definition, pollution data , pollution diseases, air pollution definition , pollution de lair, pollution de leau , pollution definition, noise pollution band , why is pollution bad, pollution by state , pollution by vehicles, pollution beijing , pollution by industries, pollution by cars , poll, pollution automobile pdf ,
asonable 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. It has been linked to asthma, emphysema, cardio vascular diseases and lung cancer. It also has harmful effects on the environments. When men come to know about the harmful effects of air pollution he started thinking about air pollution control devices and he became successful in inventing some devices which reduced the pollution up to certain limit. There are certain rules and..................[:=> Show Contents <=:]



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