guides and propels vehicles through the harnessing of electromagnetic force. • The term "maglev" refers not only to the vehicles but also to the railway system. • Maglev train uses magnetic levitation from a very large number of magnets for lif and propulsion. • Has the potential to be faster‚ quieter and smoother than wheeled mass transit systems Introduction • Power needed for levitation is usually not a large percentage of the overall consumption • In the present moment there are several countries
Premium Magnetic field Electromagnetism Magnetism
ABSTRACT: HELIOS project was a part of NASA’s ERAST programme (Environmental Research Aircraft and Sensor Technology). It was developed by NASA and Californian company AeroVironment Inc. ERAST programme develops pilotless solar powered airplane technology. The HELIOS construction is based upon its predecessors like NASA’s solar plane Pathfinder‚ which was successfully tested a few years prior to HELIOS. Due to its speed HELIOS was able to fly over the same spot for days or weeks‚ therefore‚ in
Premium Solar cell Photovoltaics Solar energy
air propeller and the helicopter rotor. The first idea of a propulsive airscrew‚ however‚ belongs to J.P. Paucton‚ a French mathematician. Paucton envisioned a flying machine that had two airscrews‚ one for propulsion and the other for sustaining flight. The idea of using an airscrew for propulsion was utilized during the late 1700’s to early 1800’s. Only after experimentation did the inventors conclude that more propulsive power could be obtained by merely straightening out the surface of the airscrew
Premium
John Chilton Writ 340 Dr. Warford Across the Atlantic in an Hour This article discusses the proposed building of the Transatlantic Tunnel. This tunnel would be constructed between New York and London as a means of transportation. The article goes into the discussion of cost and proposed engineering aspects of the tunnel. The beginning also mentions the need for the tunnel and past history of mans travels across the Atlantic Ocean. Introduction: Imagine a world where New Yorkers could
Premium Atlantic Ocean
English 102 16 November 2011 NASA can be hope for a brighter future Ever since humanity has been able to see stars there have been a dream to visit one‚ but it wasn’t until 1957‚ that mankind took the first big step to accomplish that dream. In 1957‚ Soviet sent their Sputnik 1 in to orbit around earth‚ and we entered the space age. NASA‚ the national Aeronautics and Space Administration were founded in 1958‚ when the Americans realized they were facing a space race of huge proportions. From
Premium Space exploration NASA Federal government of the United States
did this equation change to? 3. What is the primary challenge in improving automotive propulsion systems? 4. What higher degree does Alan I. Taub hold? 5. Define the concept of mechatronics in one sentence. (Direct quotes are OK.) 6. Who has been the largest user of nanomaterials in the world for the past five years? 7. What are the two major advantages of the hybrid gasoline/electric propulsion technology? 8. What is an OEM? 9. Why are fuel cell propelled cars called “zero-emission
Premium Hydrogen vehicle Automobile Electric vehicle
(HEV) are the special types of vehicles that make use of two things together‚ i.e. conventional internal combustion engine (ICE) and an electric propulsion system‚ which together help in achieving fuel efficiency as compared to any other vehicle. The degree of efficiency and improvement provided by the HEVs depend on the degree and the type of propulsion systems they make use of. The engineers have succeeded in adding several additional features such as special breaking etc. for making sure that these
Premium Internal combustion engine Electric vehicle
"Mariner 2"‚ which approached to the Venus on 14th December 1962 (Jet Propulsion Laboratory‚ 1962). The atmospheric temperature on the Venus was gauged by the microwave radiometer on “Mariner 2”‚ and the temperature of the top of cloud on the Venus was measured through the infrared radiometer as well (Jet Propulsion Laboratory‚ 1962). Additionally‚ this exploration indicated that the magnetic field on the Venus was weak (Jet Propulsion Laboratory‚ 1962).
Premium Space exploration NASA Moon
Thought the course of time man has constantly sought to better both himself and mankind through creation and invention. From the first time a caveman rubbed to sticks together and discovered fire to the design and development of the Saturn 5 rocket which propelled by that same fire carried man from the earth to the moon. One can argue over whether on not this invention or that was the greatest. I intend to focus my attention on evolution of just one of those technologies the jet engine‚ and
Free
Chapter 1: Introduction Spitfire Mk XIX‚ Tu-95 Russian strategic bomber‚ Douglas XB-42 Mixmaster‚ what makes these Aircrafts different. For most vehicles‚ the primary power consumer is the propulsion system. Advances in CFD and fabrication have increased the efficiency of the single propeller significantly. However‚ further increases in efficiency can sometimes be obtained from having two propellers in a contra- rotating configuration. Contra-rotating‚ also referred to as coaxial contra-rotating
Premium