Patent ID: 9074533
Filing Date: 2015-07-07
Classification: F02C,F04D,F05D

Abstract:
1. A system for injecting a fluid in a wall boundary layer of a flow in a turbomachine, comprising: a nozzle, wherein the nozzle is disposed in a side wall of the turbomachine, wherein the side wall limits the flow, wherein the nozzle is oriented diagonally with respect to a direction of flow in the turbomachine, wherein the nozzle has a rectangular nozzle cross-section, and wherein an inner wall of the nozzle extends linearly in a straight line from the side wall at an angle between the inner wall of the nozzle and the side wall of between 30° and 40°; and an injection channel disposed upstream from the nozzle in the direction of flow, wherein the injection channel has a constriction that forms a boundary surface.