Blade Design of Axial-Flow Compressors by the Method of Optimal Control Theory—Physical Model and Mathematical Expression

[+] Author and Article Information
Chuan-gang Gu, Yong-miao Miao

Department of Power Mechanical Engineering, Xi’an Jiaotong University, Xi’an, People’s Republic of China

J. Turbomach 109(1), 99-102 (Jan 01, 1987) (4 pages) doi:10.1115/1.3262076 History: Received February 07, 1986; Online November 09, 2009


In the design of compressor blades we put forward an optimization flow-type problem which enables the designers to consider the optimization of specified performance index of the flow-type characteristics, such as that of work or efficiency of a compressor stage. The method of the diffusion factor flow-type design (DFFTD), presented by the authors [1], is taken here as a physical model. On the basis of optimal control theory a mathematical model of the optimal flow-type problem has been established and further recast into a typical form of optimal control problem with free initial conditions, terminal constraints, and state variable inequality constraints.

Copyright © 1987 by ASME
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