Study on Dynamic Response and the Effect to Center Level Height of Periodic Symmetric Struts Support

Author:

Gheni Mamtimin1,Liu Wei Bing1,Yu Lie2

Affiliation:

1. Xinjiang University

2. Xi’an Jiaotong University

Abstract

In this paper, in order to overcome the technical difficulty of center level height of Periodic Symmetric Struts Support (PSSS) by using the test in the field and reduce the high cost of testing, the method of the finite element analysis by considering thermal condition and the dynamic response is used and the center level height of PSSS is evaluated. Some relations for center level height changing process of PSSS were found and some parametric effects are obtained for the stability analysis of gas turbine by changing the number of struts support and angle.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Reference10 articles.

1. X. HUANG, W. XU, F. WU and J. CHEN: Turbine technology. Vol. 47 (2005).

2. Kouichi ISHIZAKA, Susumu WAKAZONO, Masanori YURI and Ronald TAKAHASHI: CFD Studies of Industrial Gas Turbine Exhaust Diffusers, Proceedings of the International Gas Turbine Congress (Tokyo 2003).

3. D. Japikse, and R. Pampreen: Annular Diffuser Performance for an Automotive Gas Turbine (ASME Paper Apr 1978).

4. H.U. Fleige, W. Riess, J. Seume: Swirl and tip leakage flow interaction with struts in axial diffrser (ASME GT-2002-30491).

5. M.P. Bendsoe and N. Kikuchi: Comput. Meth. appl. Mech. Engng Vol. 71 (1988), p.1197.

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