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Internal mixing of a portion of fan exhaust flow and full core exhaust flow in aircraft turbofan engines
Internal mixing of a portion of fan exhaust flow and full core exhaust flow in aircraft turbofan engines
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机译:飞机涡轮发动机中一部分风扇排气流动和全核排气流动的内部混合
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摘要
A method of controlling plume exhaust heat and/or noise radiation from a turbofan engine assembly having a short nacelle. A mixer duct shell is supported such that a downstream edge of the short nacelle overlays an upstream portion of the mixer duct shell. A first portion of fan exhaust may be routed through the mixer duct shell between its inner surface and an outer surface of a core engine shroud. A second portion of fan exhaust may be routed over an outer surface of the mixer duct shell. At least one of the inner surface and an outer surface of the mixer duct shell may have an acoustic lining including a honeycomb core structure.
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