The invention discloses a double-layer bent spray pipe and an aircraft, and belongs to the technical field of aero-engine exhaust systems.The double-layer bent spray pipe comprises an inner-layer bent spray pipe body, an outer-layer bent spray pipe body and a lobe splitter plate; the inner-layer bent spray pipe is located in the outer-layer bent spray pipe, an injection mixing channel is formed between the inner-layer bent spray pipe and the outer-layer bent spray pipe, an inlet of the injection mixing channel is communicated with a power cabin, an inlet of the inner-layer bent spray pipe is communicated with an engine exhaust channel, and an outlet of the inner-layer bent spray pipe intersects with an outlet of the injection mixing channel. The lobe splitter plate is located in the inner-layer bent spray pipe and divides the inner-layer bent spray pipe into an upper flow channel and a lower flow channel, the lobe splitter plate comprises a splitting section and a lobe section, the splitting section is located at the inlet end of the inner-layer bent spray pipe, the lobe section is located at the outlet end of the inner-layer bent spray pipe, and the bending angle of the splitting section is the same as that of the inner-layer bent spray pipe. The application has the advantage of improving the exhaust effect of the turbine engine and the ventilation cooling effect of the power cabin.

    本申请公开了一种双层弯曲喷管及飞行器,属于航空发动机排气系统技术领域,其中双层弯曲喷管,包括内层弯曲喷管、外层弯曲喷管以及波瓣分流板;所述内层弯曲喷管位于外层弯曲喷管内,内层弯曲喷管和外层弯曲喷管之间形成引射掺混通道,引射掺混通道入口与动力舱连通,内层弯曲喷管进口与发动机排气通道连通,内层弯曲喷管出口与引射掺混通道出口交汇;波瓣分流板位于内层弯曲喷管内,将内层弯曲喷管分成上下两个流道通道,波瓣分流板包括分流段和波瓣段,分流段位于内层弯曲喷管的入口端,波瓣段位于内层弯曲喷管的出口端,分流段弯曲角度与内层弯曲喷管相同。本申请具有提升涡轮发动机排气和动力舱通风冷却效果的优点。


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    Title :

    Double-layer bent spray pipe and aircraft


    Additional title:

    双层弯曲喷管及飞行器


    Contributors:
    DING JINTAO (author) / ZHANG LINA (author) / HUANG XING (author) / SU XIUWEN (author) / QIU JIANG (author)

    Publication date :

    2024-04-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F02K JET-PROPULSION PLANTS , Strahltriebwerke / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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