NDLI: An Effective Turbine Blade Parameterization and Aerodynamic Optimization Procedure Using an Improved Response Surface Method

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Chen, Naixing Zhang, Hongwu Ning, Fangfei Xu, Yanji Huang, Weiguang
Copyright Year	2006
Abstract	This paper describes a procedure for a rapid and accurate 3D aerodynamic optimization of high performance turbine blades. This procedure has been developed to account for the complicated geometrical aspects and the complex nature of the associated fluid flow, while remaining simple, practical and demanding less computing power. The focus has been placed on the blade geometrical representation using a set of simple algebraic equations (blade parameterization) and on the aerodynamic optimization methodology based on the numerical computations by a N.S. solver. The turbine blade, including thickness distribution and camber line for each section of the blade span and radial stacking line, has been defined by polynomials, allowing investigation of the influence of any single-parameter change on blade performance. An improved response surface method, by incorporating a simulated annealing algorithm (RS-SAM), has been found to improve the accuracy and to strengthen the optimum-searching ability. A multi-objective response surface method (MORSM) has also been included for testing. One example is given here to demonstrate the effectiveness of the procedure.
Sponsorship	International Gas Turbine Institute
Starting Page	1169
Ending Page	1180
Page Count	12
File Format	PDF
ISBN	079184241X
DOI	10.1115/GT2006-90104
e-ISBN	0791837742
Volume Number	Volume 6: Turbomachinery, Parts A and B
Conference Proceedings	ASME Turbo Expo 2006: Power for Land, Sea, and Air
Language	English
Publisher Date	2006-05-08
Publisher Place	Barcelona, Spain
Access Restriction	Subscribed
Subject Keyword	Turbine blades Algebra Algorithms Blades Fluid dynamics Computation Simulated annealing Polynomials Response surface methodology Optimization Testing
Content Type	Text
Resource Type	Article

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