Maglev, or magnetic levitation, is a kind of technology used for many different purposes. Understanding how maglev trains work requires some knowledge in advance topics such as calculus, physics, and chemistry. The basic idea is to use magnets to power the train. Magnetic levitation maglev is a relatively new transportation technology in which noncontacting vehicles travel safely at speeds of 250 to 300 milesperhour or higher while suspended, guided, and propelled above a guideway by magnetic fields. Electromagnets and superconducting magnets have allowed us to create a magnetic levitation train nicknamed maglev that floats on the track instead of being directly on it. Posts equations and concepts, paul was able to create a sophisticated matlab program that can calculate various train parameters velocity, drag force, etc. The big difference between a maglev train and a conventional train is that maglev trains do not have an engine at least not the kind of engine used to pull typical train cars along steel tracks. The concept of maglev trains as a compet itor to commercial airlines is the traditional view. Magnetic levitation maglev is a system of train transportation that uses two sets of magnets, one set to repel and push the train up off the track as in levitation, then another set to move the floating train ahead at great speed taking advant. Teachers should read background information on maglev trains. We are here trying to develop an idea to run a train based. Maglev is a method of propulsion that uses magnetic levitation to propel vehicles with.
The engineering challenge is to get a train to move three feet without making physical contact with the track. All about maglev trains how it works, countries associated, maglev of nasa, construction, ems and eds and much more. Maglev trains eliminate a key source of frictionthat of train wheels on the railsalthough they must still overcome air resistance. After reducing aerodynamic vibration in autumn 1999, we conducted highspeed. Maglev trains work due to the magnet force, the force created by. Maglev trains are a necessity for modern time transportation needs an d vital for the future needs of railways, worldwide. Actually the original maglev trains are very complex in design, but here we try to design a simple maglev train, which uses some permanent magnets, cardboard or wooden boards etc. Like ordinary magnets, these magnets repel one another when matching poles face each other. This type of train can run on conventional rails, often at reduced speed and with. Maglev trains use the physical forces of magnetism and electromagnetism to not only levitate the train, but to push and pull. In maglev, superconducting magnets suspend a train car above a ushaped concrete guideway. Some interesting facts about the fastest train of the world that will amaze you. Advantages and disadvantages of maglev trains wheelzine.
Simple magnetic levitation train seminar reportpdf ppt download the answer to this transportation problem lies in the world of electro magnetism and superconducting magnets. Students work collaboratively through the steps of the engineering design process to construct, test, and improve maglev cars during the activity ets1. Maglev trains are mainly used for transportation in china, japan, germany,etc. While the amazing speed that maglev trains boast of make them seem an apt solution for our transport woes, only a proper evaluation of their advantages and disadvantages can help us get a clear picture about the feasibility of putting them to use. Learn about electromagnetic suspension, the most popular type of. The result is a transport system which can regularly attain much higher speeds than more conventional rail systems. Weight is the force that pulls an object down toward the earth because of gravity. Maglev trains do not need engines like conventional trains. Maglev trains use electromagnets to lift the whole train into the air a short distance. Recently, maglev has seen an ideal use in the train industry, where it has been leveraged to make train wheels and tracks obsolete, and instead use magnets to propel trains where they need to go. If you continue browsing the site, you agree to the use of cookies on this website. A new way to travel 4 maglev vehicle traveling at 300 mph only consumes 0.
Maglev train simple english wikipedia, the free encyclopedia. These trains follow magnetic guiderails instead of conventional rails. The big difference between regular trains and maglev trains is that mag lev trains do not use an engine. This lack of friction means that they can reach higher speeds than conventional trains. Maglev trains eddie lim 20 lim zheng xiang 21 anthony low 24 class. The lightweight and highcapacity trains can include up to 16 cars. A maglev train car is just a box with magnets on the four corners, says jesse powell, the son of the maglev inventor, who now works with his father. The engine used for conventional trains provide power to pull a chain of compartments along steel tracks. Magnetism provides the force required to levitate the train over the tracks, reducing the energy required to move the train. How maglev trains operate introduction magnetic levitation, or maglev, is a transport method that uses magnetic levitation to move vehicles without touching the ground. First, give students time to experiment with magnets.
Maglev, which stands for magnetic levitation, is a system of transportation that levitates, guides, and propels trains, with magnetism. For example, while every highspeed rail passenger pays one dollar for each mile traveled, maglev passengers could pay as little as 5 cents per mile, says james powell, director of the company maglev 2000 and a coinventor of superconducting maglev trains. This article has just briefed the basic principles and working of the maglev trains. Figure 1 show the sides of the magnets are repelling each other and one is repelling another into the air, which makes them levitate. All about maglev trains how it works, countries, nasa. The three components to this system are a large, electrical power source, metal coils lining a guideway or track, and large guidance magnets attached to the underside of the train. Maglev short for magnetic levitation trains can trace their roots to technology pioneered at brookhaven. Instead, they are propelled by a magnetic field created by electrified coils this combined with guideway walls on the track creates movement. Superconducting maglev technology the northeast maglev. It is specifically developed for train transportation.
Along certain mediumrange routes usually 320 to 640 km 200 to 400 mi, maglev can compete favorably with highspeed rail and airplanes. Maglev trains float on a cushion of air, which removes friction. If the magnetic force is strong enough, it can overcome the trains weight and push it up into the air. Magnetic levitation is a technology that uses magnetic fields to make the train move. With maglev vehicles travel along a magnet guideway.
Maglev trains work on the principle of electromagnetic suspension. Maglev systems are currently in use for applications such as bearings, highspeed trains, and manufacturing. Levitation the passing of the superconducting magnets through levitation coils on the side of the track induces a current in the coils and creates a magnetic field. Magnetic polarity is used to levitate the train, guide it, and propel it at high speeds, for a smooth and quiet ride. However, the latest innovations in train technology have come from the work of electrical engineers, through the design of maglev train technology. These innovative trains instead rely heavily on new electrical. Maglev transport system features its potential development in a region with fast growing demand of intercity tr avel, such as the shanghai maglev transport system yau, 2009.
In it, railroading technology will away with moving components, permitting vehicles to maneuver additional. The shanghai maglev train, also known as the transrapid, is the fastest commercial train in the world with top speed of 430 kilometres per hour. These fields lift the train a small distance above the tracks and move the train. Figure 1 shows a diagram of the forces acting on the maglev. Lateral guidance basic principle of maglev trains 8.
Maglev trains are the best example of the modern transport means. The maglev train is still under development and many scientists are working on the project. Good planning makes it feasible to run the projects with reduced. Hello everyone and welcome to my youtube channel where the video is all about. Cost reduction by eliminating friction, maglev trains use less energy and can significantly reduce costs. Maglev trains have a surprisingly few number of moving parts compared to traditional trains.
Compared to conventional wheeled trains, differences in construction affect the economics of maglev trains. These trains are faster than virgin pendolinos, currently the fastest trains in the uk with top speeds up around 125mph. Growth of maglev technologies origin ated from human s pursuit of travel speed. Japanese engineers have developed a competing version of maglev trains that use an electrodynamic suspension eds system, which is based on the repelling force of magnets. For example the shanghai transrapid line travels at an average speed of. Instead of using fossil fuels, the magnetic field created by the electrified coils in the guideway walls and the track combine to propel the train. In the case of a maglev train, this magnetic force is used to push against the trains weight. Variety of such systems including maglev has been introduced to the industry. It is a way of moving vehicles without having them touch the ground. In it, railroading technology will away with moving components, permitting vehicles to maneuver additional swimmingly and more. From train technology first developed in germany to the fastest maglev trains in the world, readers will love learning about this rapidly developing mode of transportation.
Maglev traincar adapted from the attraction is obvious. Maglev trains are a necessity for modern time transportation needs and vital. At very short distances as gothenburg landvetter where neither a maglev or. Maglev derived from magnetic levitation is a system of train transportation that uses two sets of magnets, one set to repel and push the train up off the track, and another set to move the elevated train ahead, taking advantage of the lack of friction.
In the dream big maglev train lesson, students designed a magnetic train system. At present maglev technology has produced trains that can travel in excess of 500 km 310 miles per hour. Maglev trains short form of magnetic levitation are a very fast type of highspeed rail. Simple magnetic levitation train seminar reportpdf ppt. Magnetic levitation trains are becoming a popular transportation topic all around the globe. The guideway is the physical structure along which maglev vehicles are levitated. These principles govern the levitation of maglev trains. Any two trains traveling the same route cannot catch up and crash into one another because theyre all. Maglev derived from maglev could be a conveyance technology that uses magnetic levitation to move vehicles while not creating contact with the bottom or an electrical pickup. This has resulted in the development of a variety of maglev systems that are manufactured by different countries. Since the past 80 years, a number of scientists have made several researches on the.
This allows them to reach speeds of more than 310 mph 500 kph, or twice as fast as amtraks fastest commuter train. If youve ever tried to push two magnets of the same polarity together, you understand the basic principle of a maglev train. The engine for maglev trains is rather inconspicuous. This book explores how maglev trains work, the science behind the magnets at work, and the history of maglev technology. It is important to know common variables assigned to physics terms and a brief overview of chemistry laws dealing with magnets. Maglev train download ebook pdf, epub, tuebl, mobi. Review of maglev train technologies article pdf available in ieee transactions on magnetics 427.
Maglev trains have to perform the following functions to operate in high speeds 1. In comparison, a boeing777 commercial airplane used for longrange flights can reach a top speed of about 562 mph 905 kph. Maglev trains are popular in transportation stations in big countries like germany, china, japan and the united states of america due to the demand for highspeed transportation, as the general public transportation services become more congested with increase of population. Maglev systems are becoming a popular application around the globe. This speed is twice as fast as a conventional commuter train and.
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