MAGNETIC LEVITATION TRAINS
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#1
31-01-2009, 12:03 AM


Ever since the discovery of the wheel, man has been in constant pursuit to achieve better and faster means of transportation. The FLYING TRAINS that is the MAGLEV (magnetic levitation) trains is the realization of such zestful endeavors. These ultra high-speed trains are acting as an indisposable resource to make the world smaller. Maglev is a generic term for a family of technologies in which a vehicle is suspended, guided and propelled by magnetic forces. Due to its need for an entirely new infrastructure, maglev technology has had a prolonged adolescence. Recent developments in cryogenics, superconductivity, power electronics, aerodynamics and vehicle dynamics has led to a renewed. Maglev can move people and goods with much mobility and speed, using much less energy, at lower cost, and with greatly reduced pollution, compared to the existing modes of transport.



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projectsofme
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#2
25-09-2010, 09:55 AM

to know more about this article,please follow the link:
topicideashow-to-maglev-train-full-report
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22-10-2010, 11:19 AM


.doc   maglevINTRODUCTION.doc (Size: 1.01 MB / Downloads: 426)
INTRODUCTION

Maglev, or magnetic levitation, is a system of transportation that suspends, guides and propels vehicles, predominantly trains, using magnetic levitation. Trends in increased mobility of large masses with changing lifestyle for more comfort are leading to congestion on roads with automobiles. Besides, increasing pollution levels from automobiles, depleting fuel resources, critical dependence on the fuel import.The highest recorded speed of a Maglev train is 581 kilometers per hour (361 mph), achieved in Japan.
All operational implementation of maglev technology have had minimal overlap with wheeled train technology and have not been compatible with conventional railroad tracks. Because they cannot share existing infrastructure, maglev must be designed as complete transportation systems. The term “maglev” refers not only to the vehicles, but to the railway system as well, specified designed for magnetic levitation propulsion. Development of magnetic levitated transport systems is under progress in developed countries.
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changampuzha
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#4
11-01-2011, 04:53 AM

i am btech student in scms college kerala i want to do aproject and implimentation based ob the principle magnetic levitation
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seminar surveyer
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#5
11-01-2011, 09:34 AM

changampuzha,
project and implimentationsofme has posted a link. through that you can find out reports on MAGNETIC LEVITATION TRAINS.and the below thread contains Magnetic Levitation full report. if you are interested, please go through it.

topicideashow-to-magnetic-levitation-full-report
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durga laxmi
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#6
21-02-2011, 05:56 PM

hi i need 2 knw abt magnetic trains . a tchnical seminar and presentation i need full details
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01-03-2012, 04:12 PM

Magnetic Levitation Train


.pdf   63861238-maglevFinal.pdf (Size: 631.07 KB / Downloads: 109)
Abstract
The objective of this project and implimentation is to create a laboratory scale magnetic levitating train model
using Inductrack technology developed by Dr. Richard Post from Lawrence Livermore
National Labs, Previous work by Paul Friend is discussed as well as the physics
associated with Inductrack. The levitation and propulsion systems built in lab is
described. The conclusion includes the results and suggestions for future work on the
maglev train.


Propulsion
A Linear Synchronous Motor (LSM) was chosen to propel the train. A basic top view of
an LSM is shown in Figure 2.2 below. It consists of copper wire powered by 3ø AC
Power wrapped around slots cut in laminated iron. The iron is laminated to help
eliminate eddy currents. Each color represents a different phase with a 120° phase
difference between each line.



Inductrack Technology
The Inductrack Technology uses the basic concepts above to first propel and then levitate
a train. The train consists of at least two sets of Halbach arrays. One set is placed over
the track to levitate the train, while the other set is placed above the motor to provide
propulsion.
When the motor is powered, the train begins to move on wheels along the track. The
levitation Halbach array induces current in the track which induces a magnetic field
around the slits to oppose the magnetic field of the levitation Halbach array. This
produces the levitation. The faster the train moves, the higher the train levitates. Paul
Friend’s research helped him plot levitation height vs. the velocity of the train as shown
in Figure 4.1. In this example, the train reaches a peak height due to the lessened effect
of the magnets on the track. The height and velocity of the track are dependent on
parameters of the track and Halbach array.


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#8
05-03-2012, 09:46 AM

to get information about the topic magnetic levitation full report ppt and related topic refer the link bellow

topicideashow-to-magnetic-levitation-full-report

topicideashow-to-magnetic-levitation-trains

topicideashow-to-magnetic-levitation-trains?pid=72286#pid72286

topicideashow-to-magnetic-levitation-full-report?page=2

topicideashow-to-magnetic-levitation-space-propulsion
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#9
29-06-2012, 05:28 PM

Magnetic Levitation Train Final Report


.pdf   Magnetic Levitation Train.pdf (Size: 631.07 KB / Downloads: 24)
Abstract

The objective of this project and implimentation is to create a laboratory scale magnetic levitating train model
using Inductrack technology developed by Dr. Richard Post from Lawrence Livermore
National Labs, Previous work by Paul Friend is discussed as well as the physics
associated with Inductrack. The levitation and propulsion systems built in lab is
described. The conclusion includes the results and suggestions for future work on the
maglev train.

Inductrack Technology

The Inductrack Technology uses the basic concepts above to first propel and then levitate
a train. The train consists of at least two sets of Halbach arrays. One set is placed over
the track to levitate the train, while the other set is placed above the motor to provide
propulsion.
When the motor is powered, the train begins to move on wheels along the track. The
levitation Halbach array induces current in the track which induces a magnetic field
around the slits to oppose the magnetic field of the levitation Halbach array. This
produces the levitation. The faster the train moves, the higher the train levitates. Paul
Friend’s research helped him plot levitation height vs. the velocity of the train as shown
in Figure 4.1. In this example, the train reaches a peak height due to the lessened effect
of the magnets on the track. The height and velocity of the track are dependent on
parameters of the track and Halbach array.

Previous Work

In 2004, Paul Friend began working on a MAGLEV model with the help of Dr. Richard
Post, PhD. With Dr. Post’s equations and concepts, Paul was able to create a
sophisticated Matlab program that can calculate various train parameters (velocity, drag
force, etc.) based off of the specifications of the train car and track. Using his program,
Paul then constructed a wheel-track test platform (Figure 7.2).

Levitation

The goal of the levitation portion of this project and implimentation was to prove that levitation is possible
and to optimize the track and train to get sufficient levitation at the lowest possible
speeds. The Matlab program was used to optimize the track and car parameters using the
specifications of cost-effective materials. The design settled on provided 1cm of
levitation at about 9m/s. The following subsections will detail the design of the wheel
track test platform and car.

Conclusion

Great progress was made on both the levitation and propulsion systems of the MAGLEV
project and implimentation. This is the second time that students at Bradley University have constructed the
pieces of a scale model, MAGLEV train. With each project and implimentation comes a wealth of
information for the next students to digest before making their optimizations to the
design. We hope that our progress will see to it that one day Bradley will have a working
scale model of a magnetic levitation train.
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