Abstract
Scholz’s method for measurements on a two-dimensional cascade has been extended to include mass and energy input into the main flow by trailing-edge jets. Pressure recovery and mixing losses downstream of the cascade have been theoretically investigated and the need of low jet velocities has been emphasized. Improvements which can be expected by increasing the jet width but keeping the jet coefficient constant have been demonstrated. The airfoil tested was the NACA 65-(12)10 compressor blade with a thickened trailing edge. A stagger angle of 45 deg and a solidity of 0.915 were used throughout. Results are given in the form of wake profiles, axial and tangential force coefficients, and cascade polars.
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