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DESIGN PRINCIPLES OF ROCKET-RAMJET ENGINES FOR UNMANNED FLIGHT VEHICLES,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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The book, which is a training aid for technical college students, contains basic information on rocket-ramjet engines for unmanned flight vehicles and also calculated dependences and typical solutions used during their designing. The book is written on the basis of journalistic articles and monographs published in the domestic and foreign press. Much emphasis is placed on overall designing of rocket-ramjet engines RPD, including engineering methods of calculating outlet characteristics, and selection of type of propellant, and also on determining optimum characteristics of the flight vehicle and automatic control systems. The proposed methods of calculating optimum parameters of flight vehicle, RPD, and automatic control systems ensure maximum flight range. Selection of RPD correcting devices and parameters of automatic control systems is produced on the basis of frequency response methods. When calculating nonlinear characteristics of control system units there is used the method of harmonic linearization, making it possible to determine the region of steady states and natural vibrations in RPD. Automatic control systems are examined which ensure engine antistall conditions and prevent separation of flow at the diffuser. Designing method is accompanied by numerous examples and calculations. There are given some typical configurations and positive solutions of elements of rocket-ramjet engines and their automatic control systems. Author
APPROVED FOR PUBLIC RELEASE