ABSTRACT
A heavier than air flying machine, supported by aerofoils, designed to obtain, when driven through the air at an angle inclined to the direction of motion, a reaction from the air approximately at right angle to their surfaces is known as aeroplane. The various forces which acts on the aeroplane when it travels through the air are lift force, drag force, thrust force and its own weight. For steady condition the weight should be balanced by the lift and drag by thrust. The lift is obtained due to the special shape of wings and thrust is obtained by propulsion systems.
The main objectives of this seminar are to describe the different engines used for jet propulsion and the future scope of propulsion systems.
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