Pulse Jet Engine | PDF | Project Report

Pulsejet engines could be potentially used as a learning tool for undergraduate courses in the Aerospace and Mechanical Engineering department. In 1906, Russian engineer V.V. Karavodin developed the first pulse jet engine. In 1908, French inventor Georges Marconnet patented the first valveless pulsejet design. Theoretically, It is a simple form of an air-breathing jet engine in which combustion occurs in pulses or cycles, where the air is drawn into a combustion chamber, mixed with fuel, ignited, and then accelerated out of a nozzle providing thrust. Basically, there are two types of pulsejet engines. 

The first is a valved design and the second is a valveless system. In a valved pulse engine, the combustion process is controlled by the valves. The air passes through these valves, and then the valves shut, when combustion begins forcing the combustion products to exit through the nozzle or tail-pipe, providing forward desired thrust. In a valveless pulse jet engine, the valves are completely removed, hence there are no moving parts, resulting in an engine that is easier to construct and maintain. The two most popular theories to describe the pulsejet engine cycles are the Kadenacy Effect and acoustical resonance. While more than likely both are occurring, only the Kadenacy Effect is described in the preceding Operating Principle section. It describes the movement of the gases through pressure waves and the inertia of these gases. Download the project reports which will help you to build your own model pulse jet engine for your projects.

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