Turbomachine hollow vane equipped with primary and secondary disturbers

摘要

Hollow blade (10) of a turbomachine (100), said blade comprising a cooling circuit (12), a wall (13) of the internal circuit (12) having at least one rib forming a primary disturbance (14) configured to disturb a flow cooling circulating within the cooling circuit (12), the primary disturbance having a cross section in the form of a first quadrilateral, the primary disturbance (14) being provided with at least one rib and / or at least one groove forming a secondary disturbance (16) configured to disturb the cooling flow within the cooling circuit (12), the secondary disturbance (16) having a cross section in the form of a second quadrilateral. Figure for the abstract: Fig. 2.