Numerical evaluation of inner flow within low specific speed impeller of common centrifugal pump was evaluated numerically by using singularity distribution method.

In view of the case that the calculation accuracy of existing quasi three dimensional method for the flow calculation within centrifugal impeller with low specific speed is still dissatisfactory, the singularity distribution method is adopted to calculate such flow field.

This paper discusses the development of CAD software in designing runner blades of axial flow hydraulic turbines with the method of singular point distribution.

Hydrodynamic derivatives of a submerged body containing a rotational body, enclosing shell, cross foil and annular airfoil are calculated using the method of singular point distribution on condition that the fluid is steady and potential as well as incompressible.

This paper presents a zero-separation method using the separated action of zero of steady state aerodynamic coefficient to orthogonal turbulence components to identify six aerodynamic admittances of the Scanlan\'s modified buffeting force expression group by group.