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  1. Ramjet - Wikipedia

    • The turboramjet is a hybrid engine that essentially consists of a turbojet mounted inside a ramjet. The turbojet core is mounted inside a duct that contains a combustion chamber downstream of the turbojet nozzle. See more

    Overview

    A ramjet is a form of airbreathing jet engine that requires forward motion of the engine to provide air for … See more

    History

    L'Autre Monde: ou les États et Empires de la Lune (Comical History of the States and Empires of the Moon) (1657) was the first of three satirical novels written by Cyrano de Bergerac that are considered among the first … See more

    Design

    The first part of a ramjet is its diffuser (compressor) in which the forward motion of the ramjet is used to raise the pressure of its working fluid (air) as required for combustion. Air is compressed, heated by combustio… See more

    Construction

    The diffuser converts the high velocity of the air approaching the intake into high (static) pressure required for combustion. High combustion pressures minimise entropy rise during heat addition, this minimising … See more

    Control

    Ramjets can be classified according to the type of fuel, either liquid or solid; and the booster.
    In a liquid fuel ramjet (LFRJ), hydrocarbon fuel (typically) is injected into the combustor ahead of a … See more

    Flight speed

    Ramjets generally give little or no thrust below about half the speed of sound, and they are inefficient (specific impulse of less than 600 seconds) until the airspeed exceeds 1,000 kilometres per hour (280 m/s; 620 m… See more

    Related engines

    Ramjet diffusers slow the incoming air to a subsonic velocity before it enters the combustor. Scramjets are similar to ramjets, but the air flows through the combustor at supersonic speed. This increases the pressure re… See more

     
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