Paper Title:
Finite Element Analysis of Blower Impeller Using Cyclic Symmetry
  Abstract

In this paper, we present an efficient method for conducting a finite element analysis of a structure with cyclic symmetry and apply the method to analyze the natural vibration and linear and non-linear static characteristics of a blower impeller. A blower impeller is composed of circumferentially repeated substructures. The whole structure is partitioned into substructures, and the finite element analysis can thus be performed with one representative substructure by using the transformed equations for each number of nodal diameters, which are derived from a discrete Fourier transform. We calculated the natural vibration and linear and non-linear static characteristics of a blower impeller without a stiffening ring, and with small as well as large stiffening rings, respectively. The accuracy and efficiency of the presented method are verified by comparison of the results obtained from the analysis using a substructure to those obtained using the whole structure.

  Info
Periodical
Key Engineering Materials (Volumes 353-358)
Edited by
Yu Zhou, Shan-Tung Tu and Xishan Xie
Pages
1082-1085
DOI
10.4028/www.scientific.net/KEM.353-358.1082
Citation
C. B. Kim, Y. C. Ahn, B. Y. Kim, C. D. Cho, H. G. Beom, "Finite Element Analysis of Blower Impeller Using Cyclic Symmetry", Key Engineering Materials, Vols. 353-358, pp. 1082-1085, 2007
Online since
September 2007
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$32.00
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