| DENG Hong-wei, ZHAO Chun-sheng, JIA Dong-bing, TANG Zheng-fu.Analysis of Stealthy Shape Design Technology for Aeroengine Exhaust Nozzle[J].航空发动机,2014,40(2):10-14 |
| Analysis of Stealthy Shape Design Technology for Aeroengine Exhaust Nozzle |
| DOI： |
| Key Words:nozzle stealth technology the modification design technology the sawtooth structure aircraft engine |
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| Abstract:The foreign application of aeroengine nozzle stealth design modification technology on the bombers, fighters, and the the unmanned aerial vehicle (UAV) were introduced. The basic principle of stealth technology modification design and its implementation engine infrared stealth and the importance of radar stealth were expounded. The influence of the serrated nozzle modification design technology to the aerodynamic characteristics, infrared and radar stealth of aircraft/engine were analyzed, emphatically the sawtooth structure on the influence of high temperature air core length were analyzed. The relationship of aircraft type and operation models, nozzle types to sawooth modification design technology selection were obtained. Dual serrated nozzle structure and the structure of the axisymmetric nozzle zigzag design principles were obtained |
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