Cooling circuit having a bypass conduit for a turbomachine component

    公开(公告)号:US12123319B2

    公开(公告)日:2024-10-22

    申请号:US17137536

    申请日:2020-12-30

    IPC分类号: F01D5/18

    摘要: A turbomachine component includes a platform, a shank, and an airfoil. The platform includes a pressure side slash face and a suction side slash face. The shank extends radially inward from the platform. The airfoil extends radially outward from the platform. The airfoil includes a leading edge and a trailing edge. A cooling circuit is defined within the shank and the airfoil. The cooling circuit further includes a plurality of exit channels disposed along the trailing edge of the airfoil. The cooling circuit further includes at least one bypass conduit that extends from an inlet disposed in the cooling circuit to an outlet positioned on the pressure side slash face. The at least one bypass conduit being positioned radially inward of the plurality of exit channels.

    HEAT EXCHANGER CAPACITY FOR ONE OR MORE HEAT EXCHANGERS ASSOCIATED WITH AN ACCESSORY GEARBOX OF A TURBOFAN ENGINE

    公开(公告)号:US20240060449A1

    公开(公告)日:2024-02-22

    申请号:US18498410

    申请日:2023-10-31

    IPC分类号: F02C7/14 F02C7/32

    摘要: A turbofan engine is provided. The turbofan engine includes a low pressure spool; a fan mechanically coupled with the low pressure spool; a high pressure spool; an accessory gearbox mechanically coupled with the high pressure spool; a hydraulic pump mechanically coupled with the accessory gearbox; and one or more heat exchangers tied to the accessory gearbox, the one or more heat exchangers having a heat exchanger capacity defined by a product raised to a half power, the product being determined by multiplying an average heat exchanger effectiveness of the one or more heat exchangers by a heat conductance factor that relates an accessory gearbox heat load, a hydraulic pump power of the hydraulic pump, a fan diameter of the fan, an engine length of the turbofan engine, and an overall pressure ratio of the turbofan engine.