The key difference between japanese and german maglev train technology is that the japanese trains use supercooled, superconducting electromagnets. Simple magnetic levitation train seminar report pdf ppt download the answer to this transportation problem lies in the world of electro magnetism and superconducting magnets. The principle and working of maglev train with lateral guidance. An unsung phenomenon of the past which is now being put to use in a variety of interesting and useful applications. The engine for maglev trains is rather inconspicuous. Magnetic levitation an overview sciencedirect topics. The video includes the physical principles involved in each maglev system, as well as their.
Heres an article about the uses of electromagnets, and heres an article about how magnets work. How maglev trains operate introduction magnetic levitation, or maglev, is a transport method that uses magnetic levitation to move vehicles without touching the ground. The name maglev is derived from magnetic levitation. Despite their promising characteristics, rotors supported by edbs are affected by different types of instabilities that must be taken into account. May 29, 2018 magnetic levitation maglev was, according to 1980s science shows such as tomorrows world, going to make domestic air travel defunct, humming from city to city at 500mph with negligible. Rather, the pose of this project was to design a working model of a maglev train in order to better understand the principles behind magnetic levitation and propulsion 1. Even before that, in 1904, american professor and inventor robert goddard had written a paper outlining the idea of maglev levitation source. 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. These magnetic fields interact with simple metallic loops set into the concrete walls of the maglev guideway. James powell and gordon danby of brookhaven received the first patent for a magnetically levitated train design in the late 1960s. The full form and the basic working principle of maglev is called magnetic levitation. V3 department of mechanical engineering, magna college of engineering, magaral, chennai, india 1,2, 3. Magnetic levitation is the process of levitating an object by exploiting magnetic fields. The magnetic levitation technology can be used as an efficient technology in.
If the force is large enough, the moving magnet can levitated. Brandon gilmore, jeff deely, magnetic levitation transportation by the use of electromagnets in maglev trains, a11, paper 3068, april 20. In principle, maglev vehicles may have a variety of applications, ranging from. Electromagnetic suspension and electrodynamic suspension are only two types of magnetic levitation and many other forms exist and even more are still likely to be.
Maglev train propulsion and levitation may involve the use of superconducting materials, electromagnets, diamagnets, and rareearth magnets. 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. The track of the maglev train is called the guideway. Magnetic levitation is a process by which a magnet over a piece of a metal causes electrical current to flow in the metal that, in turn, produce forces that push the magnet upward. Maglev monorail proceedings of 22nd irf international conference, 22nd march 2015, pune, india, isbn.
With maglev, a vehicle travels along a guideway using magnets to create both lift and propulsion. Pdf magnetic levitation is a way of using electromagnetic fields to levitate objects without any noise. All operational implementations of maglev technology make minimal use of wheeled train technology and are not compatible with conventional rail tracks. 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. Maglev 1 magnetic levitation experiment quanser consulting inc. Pdf this paper involves the design, hardware, technology, application and future uses of magnetic levitation trains. With that being the case, instead of going through boring derivations about magnetic levitation, we will focus on an important application, highspeed trains, known as maglev trains. In the late 1940s, professor eric laithwaite of imperial college in london developed the first fullsize working model of the linear induction motor. The first patents for magnetic levitation maglev technologies were filed by frenchborn american engineer emile bachelet all the way back in the early 1910s. Levitating train 3 instructions introduce the design challenge. This video shows how to build a maglev magnetic levitation train using materials you can buy online or at a hardware store. In it, railroading technology will away with moving components, permitting vehicles to maneuver additional. Maglev derived from magnetic levitation is a transport method that uses magnetic levitation to move vehicles without making contact with the ground.
As an alternative to highspeed rail based on traditional flangedwheel vehicles, the technology of magnetic levitation, or maglev, has electrodynamic suspension eds systems are similar to ems in several respects, but the magnets are used to repel the train from the guideway rather than attract. Electro magnetic suspension ems, electro dynamic suspension eds and inductrack technology. One electromagnet pole faces a black post upon which a 2. Since then, japans shinkansen network has expanded considerably, and its success has prompted rapid development of highspeed railways in other countries. Superconducting electric magnets in the vehicle to drift and move the train. Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. 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.
Ppt magnetic levitation powerpoint presentation free. The magnetic field created in this wireandbattery experiment is the simple idea behind a maglev train rail system. Jun 14, 2016 it could be possible on a maglev train. He became professor of heavy electrical engineering at imperial college in 1964, where. Magnetic levitation trains are becoming a popular transportation topic all around.
Magnetic levitation maglev was, according to 1980s science shows such as tomorrows world, going to make domestic air travel defunct, humming from city to city at 500mph with negligible. The inductrack ii design incorporates two halbach arrays to generate a stronger magnetic field at lower speeds. Maglev is short for magnetic levitation in which trains float on a guideway using the principle of magnetic repulsion. The principle of magnetic levitation is that a vehicle can be suspended and propelled on a guidance track made with magnets. There are two types of monorail system and they are straddle type and suspended type. Simple magnetic levitation train seminar reportpdf ppt download the answer to this transportation problem lies in the world of electro magnetism and superconducting magnets. We have written many articles about magnetic levitation for universe today. In the past, magnetic levitation was attempted by using permanent magnets. In it, railroading technology will away with moving components, permitting vehicles to maneuver additional swimmingly and more. How to build a simple electromagnetic train frugal fun for. The aim of this thesis was to investigate magnetic levitation and to design a working system capable of levitating an object from below. Magnetic levitation is a way to suspend objects in air without any support, as if in defiance of gravity. Diagram showing the physical setup of the maglev cradle. The most spectacular applications of this would be maglev trains.
It is specifically developed for train transportation. A free powerpoint ppt presentation displayed as a flash slide show on id. Maglev trains are trains which are suspended, guided and propelled moved forward by magnetic forces. Each implementation of the magnetic levitation principle for train type travel. It is proved that magnetic levitation cannot be obtained just by using static ferromagnetism, as the object would tend to gain instability. The ball elevation from the post is measured using a sensor embedded in the post. The working principle relies on exploiting the electromagnetic forces arising between a nonmagnetic conductor and a constant magnetic field due to relative motion to achieve levitation. Here is an interesting project for kids that explores both electricity and magnetism build a simple electromagnetic train. 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. This intriguing video has been making its way around facebook its a simple electric train made out of coiled copper wire and a train car comprised of a battery with magnets on both ends. The magnetic levitation can be achieved by three techniques viz. In magnetic levitation maglev, also known as magnetic suspension, this basic principle is used to suspend or levitate vehicles weighing 40 tons or more by generating a controlled magnetic force. Along certain mediumrange routes usually 320 to 640 km 200 to 400 mi, maglev can compete favorably with highspeed rail and airplanes. Simple magnetic levitation train seminar reportpdf ppt.
Maglev derived from magnetic levitation is a system of train transportation that uses two sets. Principle of propulsion make the train of pine wood and stick themagnets on them also in the same way and maintain equal distance. Assessment of structural analysis and design principles for maglev guideway. 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 still uncertain, the author.
The loops are made of conductive materials, like aluminum, and when a magnetic field moves past, it creates an electric current that. The design for this papers maglev train was not based on any current maglev technology, nor does it seek to improve on any current technology. Currently only in operation in a handful of countries, including china and japan, maglev trains are the fastest in the world, with a. Engineers can use this scientific principle to create very fastmoving trains. Magnetic levitations bestknown use is in maglev trains. Diagram showing a simplified arrangement of electromagnets to levitate a train. 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.
Railway technology today 12 edited by kanji wako magnetic levitation maglev technologies the tokaido shinkansen began operations in 1964 and was an immediate success. The vehicle on top of the track may be propelled with the help of a linear. Levitation maglev trains have no contacts with the rails while they move forward. Organize participants into teams of three or four people. Notably, the passive magnetic levitation concept is a core feature of proposed hyperloop transportation systems, which is essentially an inductrackstyle train that blasts through a sealed tube that encases the entire track. Jul 06, 2017 this feature is not available right now. Maglev trains are a necessity for modern time transportation needs. 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. Pdf in this paper an overview to magnetic levitated train is presented. The common point in all applications is the lack of contact and thus no wear and friction. The maglev train has a different working principle from conventional wheelrail train driving forward by frictions, as it achieves levitation through. Magnetic levitation is a highly advanced technology. Simple magnetic levitation train seminar report pdf ppt download.
Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations. Hyperloop one is based on a principle of magnetic levitation. Maglev short for magnetic levitation trains can trace their roots to technology pioneered at brookhaven national laboratory. For decades, conventional trains, a major source of land transportation, have served people around the world. Each implementation of the magnetic levitation principle for traintype travel. Mar 10, 2015 here is an interesting project for kids that explores both electricity and magnetism build a simple electromagnetic train. How to build a simple electromagnetic train frugal fun. If magnetic repulsion is used, it is known as magnetic levitation.
Magnetic levitation maglev requires electromagnetic current to generate magnetic field. This increases efficiency, reduces maintenance costs, and increases the useful life of the system. Uses and its practical application in magnetic bearing. The magnetic fields are used to reverse or counteract the gravitational pull and any other counter accelerations. The motion of the train is based completely on magnetism and magnetic fields. Maglevshort for magnetic levitationtrains can trace their roots to.
Build a magnetic levitating train that can balance on a magnetic track without falling. T railway technology today 12 edited by kanji wako magnetic. If you disconnect either end of the wire from the battery, the magnetic field is taken away. Mar, 2020 pdf download seminar report on hyperloop one. As you may have figured out looking at the word maglev, maglev trains are trains that use magnetic levitation. If the magnetic force of attraction is used, it is known as magnetic suspension. This report was prepared as an account of work sponsored by an agency of the united. The principle of magnetic levitation has been known for over 100 years. 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. Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. Working at the british rail research division in derby, along with teams at. Magnetic levitation, maglev or magnetic suspension is the method by which an object is suspended with no support other than magnetic fields. The raising of an object into the air without physically supporting the object. T railway technology today 12 edited by kanji wako.
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