On the Flow in a Centrifugal Impeller : 1st Report, Subsonic Compressible Flow

Abstract

Subsonic compressible potential flow in a centrifugal impeller can be analyzed by using a pseudo-analytic function. In this paper, the foregoing method has been applied to the calculations of nonviscous and compressible fluid flows in a two-dimensional centrifugal impeller with thin logarithmic spiral vanes, and influences of compressibility on the velocity, pressure and density distributions along the vane surfaces under the condition of shokless entry have been calculated. Furthermore, heads and flow rates of the impeller in case of shockless entry have been shown charts.