State of Stress of Three-Layered Profiled Blades of Asymmetrical Structure for Centrifugal Turbomachines.

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作者：
Gorlyshkin, V.T.
机构：
来源：
Problemy Prochnosti | 1979年 / 05期
关键词：
TURBOMACHINERY; -; Blades;
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摘要：
A method of calculation, when the limits of elasticity, of the state of stress of profiled, three-layered blades of centrifugal turbomachines, having asymmetrical strucutre and consisting of orthotropic layers, trapezoid in plan projection, is proposed. A variational, mixed-type equation is obtained. It is solved by the Ritz method. The coordinate functions selected in the form of a system of polynomials make it possible to obtain a solution under arbitrary boundary conditions. Calculated data are compared with experimental results.
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