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Apparatus and method for inhibiting radial transfer of core gas flow within a core gas flow path of a gas turbine engine
Apparatus and method for inhibiting radial transfer of core gas flow within a core gas flow path of a gas turbine engine
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机译:用于抑制燃气轮机发动机的核心气体流径内的核心气体径向转移的装置和方法
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摘要
A method for inhibiting radial transfer of core gas flow away from a center radial region and toward the inner and outer radial boundaries of a core gas flow path within a gas turbine engine is provided that includes the steps of: (1) providing a flow directing structure that includes an airfoil that abuts a wall surface, said airfoil having a leading edge, a pressure side, and a suction side; and (2) increasing the velocity of the core gas flow in the area where the leading edge of the airfoil abuts the wall. Increasing the velocity of the core gas flow in the area where the leading edge of the airfoil abuts the wall impedes the formation of a pressure gradient along the surface of the airfoil that forces core gas from the center region of the core gas toward the wall. The apparatus includes apparatus for diverting core gas flow away from the area where the airfoil abuts the wall.
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