Magnetic levitation the principle of magnetic levitation is that a vehicle can be suspended and propelled on a guidance track made with magnets. Kimberly a maciejczyk math, peter aspinwall ece,wan. Maglev, or magnetic levitation, trains hover over a magnetic track on a cushion formed by two magnets opposing each other, which significantly reduces friction. The electromagnetic force is used to counteract the effects of the gravitational force. The train is propelled by the changing in magnetic fields. Working model of maglev wind turbine d above figure gives an idea of magleve wind turbine. What are the advantages of maglev trains over traditional. The ball elevation from the post is measured using a sensor embedded in the post. Among abovementioned useful usages, the most important usage of magnetic levitation is in operation of magnetically levitated trains. These trains follow magnetic guiderails instead of conventional rails. Because the trains rarely if ever touch the track, theres far less noise and vibration than typical, earthshaking trains. Maglev derived from magnetic levitation uses magnetic levitation to propel vehicles. Along certain mediumrange routes usually 320 to 640 km 200 to 400 mi, maglev can compete favorably with highspeed rail and airplanes. Maglev trains use superconductor magnets that are cooled to incredibly low temperatures to produce intense magnetic fields used to drive the train forward and keep it hovering off of the tracks.
To make a model of a maglev train, you need lots of magnets. Since then, japans shinkansen network has expanded considerably, and its success has prompted rapid development of highspeed railways in other countries. The detailed working of maglev train is shown in the figure below. Highspeed maglev system design principles operation control system, doc. 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. Rtri and jr central are working together to develop technologies for a new type. Maglev trains are the best example of the modern transport means. Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. The report focuses on the technology empowering the highly successful transportation method of maglev trains, and their advantages. Jun 14, 2016 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. A new way to travel 4 maglev vehicle traveling at 300 mph only consumes 0. This technology has been predominantly utilized in the rail industry in the far east to provide very fast and. The world fastest train is maglev vehicle of japan which broke its own record of 581 kmhr made in the year 2003.
Some ideas, comparison of hsr and the japanese maglev system pdf. The first patents for magnetic levitation maglev technologies were filed by frenchborn american engineer emile bachelet all the way back in the early 1910s. Hyperloop company releases details on how it will make pods float. European engineers are working on maglev technology. Much like a fullsized maglev system, the track and train need to be precisely.
The result is a transport system which can regularly attain much higher speeds than more conventional rail systems. China has been using maglev trains to whisk people from the city of shanghai to its airport. The new train hold record speed of 603 km hr in year 2015. Magnetic levitation trains are becoming a popular transportation topic all around the globe. Maglev short for magnetic levitation trains can trace their roots to technology pioneered at brookhaven national laboratory. This article has just briefed the basic principles and working of the maglev trains. If solar panels are installed above the guideway all the way along in maglev trains, they can also help. Here, against movement between two things in contact a guest takes a photo inside. May 09, 2016 unlike traditional maglev, passive magnetic levitation would not require that you supply power to the rails, but instead uses unpowered coils of wire on the track and a magnetic system on the pod. 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. It also discusses the importance of electrical engineering in developing maglev, and how electrical engineers can make this technology the next transportation revolution.
Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations. Highspeed maglev trains promise dramatic improvements for human travel widespread adoption occurs. T railway technology today 12 edited by kanji wako magnetic. Maglev trains seminar report,ppt,pdf,doc,presentation. Advantages of superconducting maglev superconducting maglevs are also called linear motor cars.
Rtri and jr central are working together to develop technologies for a new type of railway that is ideal for high speed travel the superconducting magnetically levitated train maglev. This phenomenon operates on the repulsion characteristics of permanent magnets. Seminar paper from the year 2008 in the subject engineering industrial engineering and management, grade. Apr 19, 2012 better version of video editing grade 8 science project. The team produced a design for a smallscale proofofconcept linear maglev system, measuring half meter in length, capable of levitating and accelerating a scalemodel maglev train. This lesson is designed for students to have ample time to explore the properties of magnets. Kg, a joint venture by siemens ag and thyssenkrupp ag. The principle and working of maglev train with lateral guidance, levitation and propulsion system is discussed. We feel pleased to present our formal report on maglev trains. This plan shall include the development plans as to research and development of key maglev technology, project implementing technology research and development of maglev project, plans of building maglev passage based on. Even before that, in 1904, american professor and inventor robert goddard had written a paper outlining the idea of maglev levitation source. Magnetism provides the force required to levitate the train over the tracks. The coaches of the train do not slide over steel rails but float on a four inch air cushion above the track using meissner effect of super conducting magnets. Maglev trains free download as powerpoint presentation.
The concept of maglev trains as a compet itor to commercial airlines is the traditional view. Maglev train propulsion and levitation may involve the use of superconducting materials, electromagnets, diamagnets, and rareearth magnets. The first commercially operated highspeed superconducting maglev train opened in shanghai in 2004, while others are in operation in japan. Jun 23, 2016 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. Many maglev projects are controversial, and the technological potential, adoption prospects and economics of maglev systems have often been hotly debated. Its a bit more complex than that, but the concept is simple. Unlike traditional maglev, passive magnetic levitation would not require that you supply power to the rails, but instead uses unpowered coils of wire. Maglev trains use electromagnets to lift the whole train into the air a short distance. The idea came to powell as he sat in a traffic jam. Magnetism provides the force required to levitate the train over the tracks, reducing the energy required to move the train.
Jul 06, 2017 this feature is not available right now. The engineering challenge is to get a train to move three feet without making physical contact with the track. In the year 1966 the the first maglev train was in operation, though its model was proposed in early 1930s when hermann kemper, a german engineer proposed a model of train with no wheels and used the technique of magnetic levitation. Maglev trains incorporate a basic fact about magnetic forceslike magnetic poles repel each other, and opposite magnetic poles attract each otherto lift, propel, and guide a vehicle over a track or guideway. By subhashini on january 31, 20 engineering, technology. The maglev train has a different working principle from conventional wheelrail train driving forward by frictions, as it achieves levitation through interaction between the magnets aboard and the rails and produces propulsion force electromechanically without contact with the rails 3. Maglev trains use the physical forces of magnetism and electromagnetism to not only levitate the train, but to push and pull. With maglev, a vehicle is levitated a short distance away from a guide way using magnets to create both lift and thrust. Read maglev trains key underlying technologies by xiaolong li available from rakuten kobo. T railway technology today 12 edited by kanji wako. It employs diamagnetism, which is an intrinsic property of many materials referring to their ability to temporarily expel a portion of an external magnetic field. Uses and its practical application in magnetic bearing. The full form and the basic working principle of maglev is called magnetic levitation.
Kimberly a maciejczyk math, peter aspinwall ece,wan liu. One electromagnet pole faces a black post upon which a 2. These descriptions are intended to yield working maglev systems which can. The train will be floating about 10mm above the magnetic guiding track. 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. 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.
Maglev 1 magnetic levitation experiment quanser consulting inc. The motion of the train depends on the traction of linear motors in the vehicle. Researched pounds of co 2 released by a plane comparative to that of a maglev 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. Researched other aspects of incorporating a maglev train into current transportation system. The team produced a design for a smallscale proof of concept linear maglev system, measuring half meter in length, capable of levitating and accelerating a scalemodel maglev train.
Railway technology today 12 edited by kanji wako magnetic levitation maglev technologies the tokaido shinkansen began operations in 1964 and was an immediate success. In the dream big maglev train lesson, students designed a magnetic train system. Yet high speed is just one major benefit of maglev trains. Hyperloop company releases details on how it will make. James powell and gordon danby of brookhaven received the first patent for a magnetically levitated train design in the late 1960s. Work on magnetic levitation maglev as a basis for ground transport systems has been going on since the 1960s, and although the future of maglev in land transport is. The train will be propelled to move by the guide way itself. The key difference between japanese and german maglev train technology is that the japanese trains use supercooled, superconducting electromagnets. The overall plan for research and development and application of maglev technology should be made at the national level. For example the shanghai transrapid line travels at an average speed of. Thus, there is no need of any engine inside he train.
A set of laboratory experiments derived from the maglev system are presented which can be used by engineering technology students. The train has a superconducting magnet built into the base of the carriages. A basic design similar to the kempertransrapid approach was used to construct alowspeed urbanmaglev atnagoyathathasbeenin successfuloperationsince,andchinaiscurrentlybuild. Learn about electromagnetic suspension, the most popular type of. The most spectacular applications of this would be maglev trains. The goal of this effort is to investigate the feasibility and. Multi will be more energy efficient than traditional cable elevators, and by running multiple cabins moving in a loop at up to 5 ms, the maglev elevators will be able to carry 50 percent more. Projet design principles highspeed maglev system eisenbahn. This results in the following differential equation for the ball dynamics. Review article the most important maglev applications. It is specifically developed for train transportation. Researched the total cost of building a maglev train comparative to a plane. Less vibration and friction results in fewer mechanical breakdowns, meaning that maglev trains are. Researched current working maglev trains to attain a variety of data.
A fast and reliable software network load balancer daniel e. Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. Magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. Maglev elevators will take you up, down, and sideways by 2016. The principle of magnetic levitation is that a vehicle can. 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.
144 1508 1540 1168 21 499 1117 1261 909 1441 946 479 415 1097 126 794 914 653 681 558 1477 705 1363 665 1076 508 1326 200 4 4 1446 348 612 588 984 448 1333 773 45 1148 147 865