EFFECT OF BLADE THICKNESS ON THE TWO-DIMENSIONAL CASCADE PERFORMANCE : Correcting Method for Design Camber and Stagger

抄録

According to a potential flow analysis, the variation of blade thickness affects not only the circulation of the axial blade row, but also the optimum inflow condition. From this point of view, a calculating method has been proposed, by which the design camber and stagger are corrected theoretically so as to operate at the optimum condition when the thickness deviates from the basic profile. The method has been applied to NACA 65-series compressor blades, and compared with some classical theories. Correcting diagrams for the camber and the stagger are prepared by use of the carpet plotting technique. The necessity of further experimental studies by considering the variation of loss coefficient is suggested.