GAS TURBINE ENGINE WITH FAN VARIABLE AREA NOZZLE TO REDUCE FAN INSTABILITY
    15.
    发明公开
    GAS TURBINE ENGINE WITH FAN VARIABLE AREA NOZZLE TO REDUCE FAN INSTABILITY 审中-公开
    具有可变喷嘴鼓风机AREA燃气涡轮发动机降低风扇不稳定性

    公开(公告)号:EP2798187A4

    公开(公告)日:2015-08-19

    申请号:EP12872220

    申请日:2012-12-28

    CPC classification number: F02K1/06 F02K1/08 F02K1/15 F02K3/06

    Abstract: A nacelle assembly for a high-bypass gas turbine engine according to an exemplary aspect of the present disclosure includes a core nacelle defined about an engine centerline axis, a fan nacelle mounted at least partially around the core nacelle to define a fan bypass flow path for a fan bypass airflow, a fan variable area nozzle axially movable relative the fan nacelle to vary a fan nozzle exit area and adjust a fan pressure ratio of the fan bypass airflow during engine operation, and a controller operable to control the fan variable area nozzle to vary a fan nozzle exit area and adjust the pressure ratio of the fan bypass airflow.

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