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faraday 's law of induction and applications
Maglev train, of essay
Maglev train, of essay
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How do Maglev trains use magnet it to function?
Nguyen, Mindy
Physical Science, Period 4
Abstract- Maglev trains, also known as magnetic levitation trains, are public transportation vehicles that are commonly used in Spain, China, and other parts around the world. They are mainly known for using magnetism in order to "levitate" above the tracks. Maglev trains are also known to be remotely quieter than normal trains and emit lower amounts of carbon dioxide.
Purpose- I wanted to find out how Maglev trains were able to use magnets in order to move around subways. The reason I chose this topic is that magnets are seen and used everywhere, whether it's for entertainment purposes or for technical and/or scientific reasons. The Maglev
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The main reason that they differentiate is not only the gap in speed rates, but due to the excessive use of magnets that super-conducts and helps it "levitate" During the process of building a Maglev train cart, electromagnets are used. They are made when electric currents flow to coils of metal that's aligned to the track. This is also stated in Faraday's Law of Induction. These electric currents then repel the large magnets that are stored under the train's framework, which is also known as the undercarriage. This process is quite similar to when the North and North poles repel and when the South and South poles …show more content…
This then causes the train to be able to glide super-fast and travel up to 268mph. The Maglev train is able to move quickly due to the lack of friction that would normally slow down a normal train. Instead, the Maglev train rests on a mat of air, having little to no friction. Once the train starts gliding, electricity is not needed for the train to keep moving. Instead as a replacement for fuel, three large magnets are lined up in the bottom of the train, and two magnets in the front and back. The magnet in the front attracts while the magnet in the back repels, which pushes the magnets in the middle to move forward in unexplainable speeds. To keep it moving, the magnets in the guideway push and pull the train. Since the magnets in the guideway are charged up by controlled currents that constantly alternate, they can easily change their push and pull poles quickly to push the train forward, and thus how a Maglev train is created and used.
Reflection- The most thing I've learned from this research topic is how the magnets repel and attract in order for the train to start moving, which is what I've discovered, a much more eco-friendlier way for vehicles move. I do not have any further investigations as a result of my research, but I would like to learn more ways of how magnets are used in our everyday lives. The most difficult part to accomplish was how to be elaborate
MagLev technology is entirely different from any form of transportation in operation today, but the basic principles that lie at the foundation are not beyond the understanding of the beginning electricity and magnetism student. It is in the application of these principles to design and optimize an actual train that things get hairy. The basic idea has been researched since the mid-sixties, but it is only now that economically feasible prototypes are being built and governments are seriously looking towards magnets to propel us into the next century. Leading the race is Germany. Their design, the Transrapid 07, is ready for commercial production. It utilizes conventional electromagnets and forces of attraction to levitate the train. A good web site to find out more about German plans for their design is http://transrapid.simplenet.com/index-e.htm
The basic design of a roller coaster consists of a train like coaster that starts out at the bottom of the tallest hill of the ride. The train is then pulled up the hill and is pulled to the top of the hill. As the train is pulled from the bottom of the hill to the top of it, the trains' potential energy is converted onto kinetic energy. Potential energy is defined as "the energy of an object at a height h above some zero level as equal to the work done by the force of gravity"2 (139). Kinetic energy is the energy of "an object . . . because of its motion"2 (132). As the distance between the ground and the train of cars increases, the potential energy of the train increases as well.
Maglev, short for magnetic levitation, is a new system being used in the design of train railways. These maglev trains are using electromagnetically-driven systems to achieve high –speed transportation. These trains move through electromagnetic propulsion, levitating over a guideway.
at top speed. At the top of the loop, gravity has slowed the train down somewhat, so it has more
The world of Model Train Building has grown greatly with the aid of computers and technology to enhance the fun of building. Technology has long been a part of Model Train building with the adding of lights, bells, and whistles to capture your interest and imagination. But with the latest generation of building comes the influx of technology and the computer. The computer brings along a new breed of builders who plan track layout, buy parts on the Internet, receive updated news, and chat with other enthusiast.
“A roller coaster is essentially a gravity-powered train (2).” Gravity is the weakest of the four physical forces, but when it comes to roller coasters, it is the dominant one. It is the driving force and what accelerates the train through all the turns and twists. Gravity is what applies a constant downward force on the cars. The deceleration or acceleration mostly depends on the inclination of the angle relative to the ground. The steeper the slope is, the greater the acceleration, and vice versa.
Magnets are everywhere! They are in telephones, computers, stereos, vacuum cleaners, refrigerators, washing machines, cars, compasses, TVs, VCRs, your doorbell and many other places. The earth itself is also a magnet. The Greeks discovered a mineral over 2,000 years ago that attracted things that were made of iron. This mineral was found in a part of Turkey that was called Magnesia, so they called it magnetite. A magnet is any material that attracts iron or things made of iron. All magnets have two poles, exert force on each other, and are surrounded by a magnetic field.
Ever wondered how roller coasters work? It’s not with an engine! Roller coasters rely on a motorized chain and a series of phenomena to keep them going. Phenomena are situations or facts that have been observed and proven to exist. A few types of phenomena that help rollercoasters are gravity, kinetic and potential energy, and inertia. Gravity pulls roller coasters along the track as they’re going downhill. Potential and kinetic energy help rollercoasters to ascend hills and gain enough momentum to descend them and finish the track. Inertia keeps passengers pressed towards the outside of a loop-the-loop and in their seat. Gravity, potential and kinetic energy, and inertia are three types of phenomena that can be observed by watching roller
Electric currents produce magnetic fields, they can be as small as macroscopic currents in wires, or microscopic currents in atomic orbits caused by electrons. The magnetic field B is described in terms of force on a moving charge in the Lorentz force law. The relationship of magnetic field and charges leads to many practical applications. Magnetic field sources are dipolar in nature, with a north and south magnetic pole. The magnetic field SI unit is the Tesla, it can be seen in the magnetic part of the Lorentz force law F magnetic = qvB composed of (Newton x second)/(Coulomb x meter). The smaller magnetic field unit is the
...e rider or the car. But as the train hits a turn in the track, it will want to continue going forward. The track will impede this from happening and push back at the rider and the car, pinning the rider to the side of the car. Although the rider will feel as if there is a force acting on them towards the outside of the curve, there is actually a force called centripetal force pushing towards the inside of the track. This lateral force is actually a force of 1-G, or the equivalent of lying down on your side.
Furthermore, the high-speed rail network could mean twenty-nine million fewer car trips and 500,000 fewer plane flights annually, according to a 2006 study ...
There are legends surrounding the discovery of magnets. One of the more common ones is that an elderly shepherd named Magnes, was herding his sheep in Magnesia, an area in Northern Greece around 4,000 years ago. While he was herding, the nail in his shoes became stuck on the ground where his sheep were grazing. The rock was supposable named either after him or the area where the stone was discovered. ("Canada Science and Technology Museum.")
This hopefully adds some insight into the use of electric motors, and the principals of them that make these motors work. Such as electromagnetism, binary switches for DC motors, and the selection of a running frequency of a motor through the use of an oscillator.
A magnet has an invisible field that forces other objects to respond to its properties. This powerful force, which is referred to as the magnetic field, has particles called electrons that actively shift and move within the field. These electrons constantly revolve around the poles, thereby creating energy that attracts objects. Because of this, a magnet has the ability to draw objects towards itself. This ability, which is called magnetism, is caused by the force field that magnets create through its protons (positive charge) and electrons (negative charge).
Rail transportation is a transportation in which for movement of people and goods which from one location to another destination. Rail had been takes the important role in physical and economic development of town and cities in a country and it was developed over the world. Rail transport can be made a property value in a country increase and it must be needs improvement in transportation network expanding (Goldberg, 1970). Thus, the railway services need to be done with continuous improvement and it is important to the rail passengers of the range and quality of facilities and service on stations and trains (Gleave, S. D., 2000). The future development to a public transportation is a key to affect