Abstract
This paper Driving without wheels, Flying without wings deals with the present scenario of magnetic levitation (maglev) with Linear induction motor (LIM) .The magnetically levitated train has no wheels, but floats-- or surfs-- on an electromagnetic wave, enabling rides at 330 miles per hour. By employing no wheels, maglev eliminates the friction, and concomitant heat, associated with conventional wheel-on-rail train configurations. There are two basic types of non-contact Maglev systems Electro Dynamic Suspension (EDS), and Electro ....etc

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Modeling Unsteady Compressible Flow



Introduction
In this tutorial, FLUENT's coupled implicit solver is used to predict the time-dependent

ow through a two-dimensional nozzle. As an initial condition for the transient problem,
a steady-state solution is generated to provide the initial values for the mass
ow rate at
the nozzle exit.

Prerequisites
This tutorial assumes that you are familiar with the menu structure in FLUENT and that
you have completed Tutorial 1 ....etc

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PURPOSES
1. Investigate the influence of MAV wing shape on aerodynamical characteristics
2. Investigate the influence of profile shape and winglets on aerodynamical MAV characteristics
3. Investigate the influence of powerplant on aerodynamical MAV characteristics
4. Investigate the influence whole MAV design on aerodynamical MAV characteristics
5. Investigate possibility of numerical investigation of pressure distribution
6. Compare the results of wing tunnel and flight experiments ....etc

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ABSTRACT
Micro air-vehicle is a small flight vehicle that uses a lift-generating mechanism that is different from the mechanism used for large aircrafts. In micro air- vehicles, one of the methods for creating lift is a special flapping mechanism, which consists of translation and rotational motions of wings. This is adopted from one species of insect Encarsia Formosa. For this purpose, a 6-link mechanism is designed for three positions of wings by synthesis using kinematic inversion, and dynamic force a ....etc

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Delta wing
The delta wing is a wing planform in the form of a triangle, named after the Greek uppercase delta . Its shape when viewed from above looks like a triangle, often with its tip cut off. It sweeps sharply back from the fuselage with the angle between the leading edge (the front) of the wing often as high as 60 degrees and the angle between the fuselage and the trailing edge of the wing at around 90 degrees.

Aerodynamic advantages:
The major advantage of delta wings is that the wing's leading edge remains behind the shock wa ....etc

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Wi-Fi the wireless wings

Abstract--In the recent decade Wi-Fi have got immense importance in many fields .Wi-Fi - short for wireless fidelity - is the commercial name for the 802.11 products that have flooded the corporate wireless local area network (WLAN) market and are becoming rapidly ingrained in our daily lives via public hotspots and digital home networks. In the following presentation we will be discussing about, what is Wi-Fi.?, Working of Wi-Fi, the Wi-Fi hotspots and its advantages. Wireless networks are ea ....etc

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Variable sweep wings
ABSTRACT
VARIABLE-SWEEP WING
A variable-sweep wing is a wing configuration that allows to alter planform for various flight conditions. A variable-sweep wing can be moved during flight-usually between a swept-back position and a straight position. This allows it to take advantage of the aerodynamics of a swept wing at high speeds while avoiding the drawbacks of such a design at lower speeds. It is successful in this respect, but the added mass and complexity required counter the benefits and stand in ....etc

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