A New Variational Finite Element Computation for the Aerodynamic Inverse Problem in Turbines With Long Blades

[+] Author and Article Information
Ren Qin, Fengming Yi, Hongguang Wang

Harbin Institute of Technology, Harbin, People’s Republic of China

J. Turbomach 110(4), 545-548 (Oct 01, 1988) (4 pages) doi:10.1115/1.3262229 History: Received December 18, 1987; Online November 09, 2009


In this paper a new finite element computation for the aerodynamic inverse problem in turbines with long blades is proposed. The influences of blade thickness, blade force, and other factors on aerodynamic parameters may be taken into account. The computational results are compared with those of the finite difference method in noncurvilinear coordinates. They indicate that this method has an appropriate accuracy, good suitability to the complex boundaries, and good convergence. This new finite element computation is a good method for aerodynamic design in turbines with long blades. By use of this method the influence of the various design factors (curved and leaned blades, blade thickness, etc.) on the distributions of the aerodynamic parameters can be studied.

Copyright © 1988 by ASME
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