Abstract: In this paper, an attempt has
been made to improve the design calculation method for radial
impellers with consideration of the viscous property of real
gas. The viscous fluid flow equations in turbomachines are given
in its full tensor form and hereof, in its velocity gradient
form along arbitrary curved direction. The method of solution is
outlined for pure radial impeller. Features of the simplified
method and the treatment of boundary conditions are emphasized
in description. The encouraging calculation result and analysis
of a typical example are given in brief.
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