microns).Different flow rates for water and air is applied to determine the pressure drop and differentiate between the fixed bed and the fluidized bed characteristics. Also the measured onset of fluidization was compared with the predicted one. From this experiment it was obtained thatthe pressure drop increase as increasing the fluid (water or air) rates until it reach constant value. In addition‚ the bed height is constant as flow rate increased in fixed bed and it is increased as the flow rate increased
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and time of day. The reduction of congestion would be beneficial to the environment‚ ‘This is due to the fact that better traffic flow causes less emissions per kilometre driven. Emissions such as volatile organic compounds (VOC) and carbon monoxide (CO) (both are main components in smog) are 250% higher at congestion than when the traffic flows’. This means that less traffic jams would cause fewer emissions as a secondary benefit. The economic rationale for congestion is ‘Tragedy of the Commons’
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Introduction Traffic congestion is one of the most compelling global problems especially in developed cities. London is among those cities which suffer from the traffic problems. According to the London city council‚ London’s population was 8.17 million in 2011. By the year 2011‚ every 100 people in London owns 60-65 personal cars‚ which means cars have been the prior transportation tools for local people (Blythe‚ 2005).Frequently using cars as vehicle contributes to the traffic problems. As the
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people died on our roads this past Easter weekend‚ showing that the danger is not alleviating. What are the causes of this carnage? Can it be stopped? There are many factors which contribute to the large death toll on our roads. Firstly‚ a road traffic accident can happen when the driver’s attention is continuously distracted. When a driver is impaired by tiredness‚ illness‚ alcohol or other drugs (both legal and illegal)‚ the likelihood of one of these contributing to a road accident is high.
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Urban Environment Traffic congestion in cities is a problem throughout the world. Evaluate the effectiveness of one official initiative undertaken to tackle this issue. Traffic congestion has become one of the serious issues globally due to the rise in traffic demand. As a result of ineffectiveness of existing devices and methods in reduction of bottlenecks‚ it is more obvious to discover new strategies rather than constructing new alternatives and expansion in public transportation infrastructure
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The traffic system is composed of three major parts . These parts are: the driver ‚ the vehicle ‚and environment many vehicles are regulated by the traffic system‚ everything from bicycles to busses and cars.the system insists that all vehicles must meet certain criteria in order for them to be allowed to operate on the road in a matter which is safe for everyone. All vehicles operate within the driving environment. We operate our vehicles under all different kinds of wether ‚ road surfaces ‚
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Abstract: The objective of Intelligent Transport System is to find out the optimal route for the vehicles to reach their destinations. vehicle routing is done in two phases. In the first phase Traffic Information System Collects the updated Traffic Status and stores it in the traffic information center. The Traffic Information System Consists of wired or wireless infrastructure and adhoc Vehicular communications. This information will be used for vehicle navigation. In the second phase LPA* vehicle path
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in the fast lane‚ I can see his head in the rear view mirror‚ his eyes are blue and he sucks on a dead cigar.” While the description itself is nothing special‚ several elements combine to make the reader’s heart beat a bit faster and the adrenaline flow. The first‚ and most obvious‚ is the universal feeling of “road rage” we as drivers all feel at one point or another‚ be it on the giving or the receiving end. The situation the speaker describes would be nothing worth getting excited about were it
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turning d) revolving 8. Coefficient of friction is less when the pavement surface is a) rough b) dry c) smooth and dry d) smooth and wet 9. The shoulder provided along the road edge should be a) rougher than the traffic lanes b) smoother than
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No one wants to reach their destination late but reaching late due to traffic is a common problem in UAE.There is a lot of debate going on in my country about how do the government solve the traffic problem InUAE. There are many reasons due to which they are lot of accidents occuring as gas prices are highthere is an increase in car ownership. Government should take important steps to resolve this problem. My country is very over populated there is a lot of income in the UAE which means
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