On the Flow in the Centrifugal Impeller with Arbitrary Aerofoil Blades : 2nd Report, The Effect of Change in Impeller Width

概要

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Two methods are presented for the theoretical analysis of the centrifugal impeller whose width changes and whose blades have an arbitrary aerofoil section. The first method is an approximate one which is available when the change in the impeller width is small. In the second method there is no restriction to the extent of the change in the impeller width. In both methods the velocity distributions on the blade surface are calculated by the singularity method presented in 1st Report. The errors in the approximate analysis are investigated in comparison with results of the second method and the limit of its application is given. In order to investigate errors in numerical calculation, the velocity distributions on the blade surface are compared with those by Eckert's method. Experimental data are included.
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