See also his book, driving force, about magnetic propulsion. In magnetic levitation maglev, also known as magnetic suspension, this basic principle is used to suspend or levitate vehicles. Filled with informative discussion and illustrations. Using principles of magnetism to float in the air against gravity is called magnetic levitation. The benefits of this method are that it is simpler to. It operates by magnetic levitation and is the first and only commercially operated maglev train in the world. This book is the first factual compendium on scientific levitation achievement that i have had the pleasure of reading and am very proud to add it to my. It also highlighted the potential of maglev train in developing country.
May 26, 2012 covers the hsc physics syllabus dot point. This book explores how maglev trains work, the science behind the magnets at work, and the history of maglev technology. Maglev train the levitating train hsc physics youtube. Japanese maglev experience the fastest train in the. Magnetic levitation train kit a marriage between a doctor and a video game developer husband has brought this bluetooth headband to life. Picassotiles 100 piece set 100pcs magnet building tiles clear magnetic 3d. A maglev train levitates above the ground and is propelled at speeds of up to 300 miles per hour by powerful superconducting electromagnets. The exact height of one end of the track does not matter for this experiment. Eric roberts laithwaite was born in atherton, lancashire, on 14 june 1921, raised in the. 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.
Jun 29, 2011 james livingston worked in industry at ge and as a professor at mit. These fields lift the train a small distance above the tracks and moves the train. The emsland crash in 2006, when a transrapid highspeed magnetic train collided with a maintenance vehicle during a test run. The book describes howmajor advancements in linear motor and magnet technologies have enabledthe development of the linearmotorpowered maglev train, which has a highspeed advantage over. These superfast trains float above their rails, darting from place to place at remarkable speeds. An unsung phenomenon of the past which is now being put to use in a variety of interesting and useful applications. Currently mm height from surface hello crealev, still working on it to improve stability and achieve 200 mm and more. Mfm toys maglev train project diy kit magnetic levitation demo for classroom.
It includes a history of maglev science and technology showing the various milestones in its advancement. 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. Experimenting with maglev models and other magnetic levitation projects is a good way for children to learn about. There are two important types of levitation technology. Maglev derived from magnetic levitation uses magnetic levitation to propel vehicles.
Levitation means to rise or float in the air especially in seeming defiance of gravity. List of maglev train proposals news newspapers books scholar jstor june 2007. T railway technology today 12 edited by kanji wako. Recommended for readers from junior high school through retirement age. The name maglev is derived from magnetic levitation. The magnetic levitation maglev train is a kind of promising transportation system that replaces wheels by electromagnets and levitates on the guideway via noncontact electromagnetic force. The magnetic levitation, or floating of the train, is achieved through the use of an electrodynamic suspension system, or eds. Maglev trains key underlying technologies zhigang liu springer. From train technology first developed in germany to the fastest. This book is intended for researchers, scientists, engineers and graduate students involved in the rail transit industry, train control and diagnosis, and maglev. Strong magnetic fields onboard the train would make the train inaccessible to passengers with pacemakers. You will put a magnet on the end of the train, and build a magnetic stopper to prevent the train from sliding off the end of the track. This book provides a comprehensive overview of magnetic levitation maglev technologies, from fundamental principles through to the stateoftheart, and describes applications both realised and under development.
He has written an interesting and accessible book on the subject of magnetic levitation. Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations the two primary issues involved in magnetic levitation are lifting forces. This book describes a number of essential technologies that can ensure the safe operation of maglev trains, such as suspension and orientation technologies, network control and diagnosis technologies. Using the engineering design process, explore this technology by designing and testing a frictionless train. By 2035, a trip from toronto to vancouver will take 3 hours. Instead of using fossil fuels, the magnetic field created by the electrified coils in the. Magnetic force is used to counteract the effects of the gravitational acceleration and any other accelerations. Learn about the maglev track and see a diagram of a magelev track. The maglev track allows the train to float above the track through the use of repelling magnets. What began as a solution for sleep issues grew into an innovative solution for active people on the go. Maglev trains key underlying technologies zhigang liu.
Seminar paper from the year 2008 in the subject engineering industrial engineering and management, grade. Maglev trains were conceptualized during the early 1900s by american professor and inventor robert goddard and frenchborn american engineer emile bachelet and have been. Tomy linear liner superconducting maglev l0 system special set. This book is primarily about bearingless machines, where the magnetic levitation of the rotor is. This book describes a number of essential technologies that can ensure the safe operation of maglev trains, such as suspension and orientation technologies. Applications and future of magnetic levitation high tech point. The train does not levitate until it reaches 50 mph, so it is equipped with retractable wheels. Worlds fastest trains maglev capable of 3,500 kmh youtube. The word maglev is an abbreviation of magnetic levitation, which describes how the train levitates over its track. In this project, you will build a maglev train with an added challenge, making the train stop when it reaches the end of the track.
May 04, 2015 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. Cms magnetics magnetic levitating desk toy levitation magnet demonstrator 1 piece 4. 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. This increases efficiency, reduces maintenance costs, and increases the useful life of the system. Since then, japans shinkansen network has expanded considerably, and its success has prompted rapid development of highspeed railways in other countries. A vactrain or vacuum tube train is a proposed design for very highspeed rail transportation. 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. Kg, a joint venture by siemens ag and thyssenkrupp ag.
Because the train essentially floats, it has to be lightweight, which. Ems figure 5 uses the attractive force of electromagnets placed on the guideway and on the train to achieve levitation. Reduced air resistance could permit vactrains to travel at very high hypersonic speeds with relatively little powerup to 6,4008,000 kmh 4,0005,000 mph. Magnetic levitation maglev technology and applications hyung. Lyniceshop 6 magnetic levitation floating globe anti gravity rotating world map with led light for children educational gift home office desk decoration. The maglev train basically functions by using the attraction and repulsion of electromagnetic forces to move the train forward while levitating. Maglev train capable of 3,500 kmh theoretically if inside a vacuum tunnel high speed magnetic levitation train. The common point in all applications is the lack of contact and thus no wear and friction. The engine for maglev trains is rather inconspicuous. Apr 28, 20 magnetic levitation is cited on microsoft academic search as follows.
Most asian and european countries have developed and implemented highspeed rail train systems. 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 advantage of the lack of friction. Finalists for maglev trains route would travel next to. Magnetic levitation is a highly advanced technology. I dont think it belongs in the references section, since there is no way for a book published in 2006 to already be used as a reference for this article. Because they hover above the track, there is no rolling resistance. It is proved that magnetic levitation cannot be obtained just by using static ferromagnetism, as the object would tend to gain instability. The definition goes on to state, in a simple configuration, an electromagnet is used to lift up a ferromagnetic object and the gravity pulls down the. Superconducting maglevs are also called linear motor cars. 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. Maglev short for magnetic levitation trains can trace their roots to technology pioneered at brookhaven national laboratory. 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. Download it once and read it on your kindle device, pc, phones or tablets. You will tilt the track at an angle so the train can slide down a hill.
Maglev train propulsion and levitation may involve the use of superconducting materials, electromagnets, diamagnets, and rareearth magnets. The maglev train operates based on one out of the four fundamental forces of nature, the electromagnetic force. This paper discusses the propulsion technology of magnetic levitation train from an electrical engineering point of view. Magnetic levitation maglev technology and applications. This book provides a comprehensive overview of magnetic levitation maglev technologies, from fundamental principles through to the stateoftheart, and describes applications both realised and. 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 magnetic levitation technology can be used as an efficient technology in. T railway technology today 12 edited by kanji wako magnetic. The magnetized coil running along the track, called a guideway, repels the large magnets on the train s undercarriage, allowing the train to levitate between 0. In electrodynamic suspension eds, both the guideway and the train exert a magnetic field, and the train is levitated by the repulsive and attractive force between these magnetic fields. Along certain mediumrange routes usually 320 to 640 km 200 to 400 mi, maglev can compete favorably with highspeed rail and airplanes.
Magnetic levitating trains electrical and computer. Maglev trains are a necessity for modern time transportation needs and vital for the. The concept of magnetically levitated or maglev trains is of very. Highspeed rail and maglev trains have become realities. The book describes how major advancements in linear motor and magnet technologies have enabled the development of the linearmotorpowered maglev train. The studies reported in this book clearly indicate an increasing interest in maglev. Jens hillebrand term paper engineering industrial engineering and management publish your bachelors or masters thesis, dissertation, term paper or essay. The motion of the train depends on the traction of linear motors in the vehicle. The word maglev is actually a combination of the words magnetic and levitation. It is a maglev magnetic levitation line using partly evacuated tubes or tunnels. Build a magnetic levitating maglev train, and add a magnetic braking system to prevent it from sliding off the tracks. Magnetic levitation maglev was, according to 1980s science shows such as tomorrows world, going to make domestic air travel defunct. You will build a magnetic pendulum and observe oscillations.
Magnetic levitation principles introduction magnetic fields are used to describe forces at a distance from electric currents. Pdf maglev trains key underlying technologies researchgate. Magnetic levitation, or maglev, may do for the gir in the twentyfirst century what airplanes did for the 2ir in the twentieth century. Magnetic levitation is a technology that uses magnetic fields to make the train move. Magnetic levitation maglev trains are one of the fastest and most energyefficient forms of travel today. With maglev, a vehicle is levitated a short distance. I think this is the largest gap maglev seen on youtube. 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. Maglev trains work on the principle of magnetic repulsion between the cars and the track.
Jun 14, 2016 it could be possible on a maglev train. Magnetic levitation maglev or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Magnetic levitation train project gutenberg selfpublishing. James powell and gordon danby of brookhaven received the first patent for a magnetically levitated train design in the late 1960s. Shanghai maglev train smt and tr09 munich project, respectively. Maglev trains cuttingedge technology 9781482451658. Maglev technology and applications springer tracts on transportation and traffic book kindle edition by han, hyungsuk, kim, dongsung. It includes a history of maglev science and technology showing the various. Maglev train, also called magnetic levitation train or maglev, a floating vehicle for land transportation that is supported by either electromagnetic attraction or repulsion. Pdf this book provides a comprehensive overview of magnetic. Its something you must experience when you visit shanghai. Elevate one end of your train track using several books, as shown in figure 9. This pushes the train upward so that it can levitate 10 cm above the track.
Using the engineering design process, explore this technology by designing and testing a frictionless train model. The term levitation refers to a class of technologies that uses magnetic levitation to propel vehicles with magnets rather than with wheels, axles and bearings. Magnetic levitation an overview sciencedirect topics. Levitation is the ability for the train to stay suspended above the track.
1393 667 649 474 134 930 848 117 740 1454 43 570 655 859 1623 662 1096 598 1281 1438 1299 787 1230 806 740 339 1362 652 1084 832 543 19 19 359 1296 1521 513 1565 519 875 807 1010 156 238 93 27 1372 846 1055 185