A binary vector nozzle

Abstract

The invention provides a novel two-dimensional vector nozzle which comprises a round-to-square barrel, synchronous actuators, link mechanisms, a contracting adjustment plate, vector actuators, link mechanisms, side walls, an extension adjustment plate, two-dimensional shield swirling center body structures, a bracket and a nozzle enclosure. The round-to-square barrel serves as a support member of the whole nozzle, the synchronous actuators, the link mechanisms, the contracting adjustment plate, the vector actuators, the link mechanisms and the extension adjustment plate serve as a main carrying capacity adjustment mechanism to achieve throat adjustment, outlet area adjustment and vector deflection, and the two-dimensional shield swirling center body structure is used for shielding a hot end member at the front end of the nozzle. The nozzle has the advantages that an adjusting range of a throat area of the conventional two-dimensional nozzle is not influenced, and the nozzle has good invisibility, a defect of the conventional two-dimensional vector nozzle in an invisibility function is overcome, and the nozzle has the advantages of simple structure and high reliability.

Description

technical field [0001] The invention belongs to the field of aeroengine nozzles, and relates to a binary vector nozzle. Background technique [0002] Due to the internal hollow structure of the traditional aero-engine binary vector nozzle, it cannot effectively shield the front-end hot-end components, resulting in very weak stealth capabilities. The conventional binary plug vector nozzle only adds a closed center body at the center of the nozzle, but due to the large cross-sectional area of ​​the closed center body, it seriously affects the adjustment range of the throat area of ​​the nozzle, thus affecting operating point of the engine. Therefore, in order to make up for the defects of conventional binary vector nozzles and conventional binary plug-type vector nozzles, it is necessary to design a binary vector nozzle that does not affect the adjustment range of the throat area of ​​conventional binary vector nozzles and has good stealth capabilities. Contents of the inve...

AI Technical Summary

Problems solved by technology

[0002] Due to the internal hollow structure of the traditional aero-engine binary vector nozzle, it cannot effectively shield the front-end hot-end components, resulting in very weak stealth capabilities

The conventional binary plug vector nozzle only adds a closed center body at the center of the nozzle, but due to the large cross-sectional area of ​​the closed center body, it seriously affects the adjustment range of the throat area of ​​the nozzle, thus affecting operating point of the engine

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