Elbow draft-tubes are widely used in largeand medium-sized hydropower stations in many countries.During the application,handling the somatotype of elbow tubes h
The finite element models of blade, disk and bladed disk are built up by finite element software ANSYS. The natural frequencies of the single blade, the whole b
The working profile of whole cycloidal gear is made up of epicycloid and hypocycloid entirely,according to the theory of meshing of gears and the properties of
In the process of generating assembly dimension chain automatically,there are many problems such as complex assembly relationship,variety of constraints of comp