抄録
In this study, the effect of the variations in the logarithmic spiral angle of the curved diffuser profile and the interposed position of a guide vane in the curved diffuser on the flow patterns are clarified by the flow visualization using dye-streak method, and their results are compared with the numerical solutions obtained by the finite element method.
As a results of this study, it was found that the flow patterns in a curved diffuser are affected considerably by the logarithmic spiral angle and the interposed position of the guide vane, and the desirable profile of the curved diffuser can be estimated relatively easily.
