STUDY ON VIBRATION RESPONSE OF STEAM TURBINE VANE WITH HALF RING STRUCTURE

被引：0

作者：

Kaneko, Yasutomo ^{[1
]}

Mori, Kazushi ^{[1
]}

机构：

[1] Mitsubishi Heavy Ind Co Ltd, Takasago Res & Dev Ctr, Takasago, Hyogo 6768686, Japan

来源：

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON POWER ENGINEERING 2009 (ICOPE-09), VOL 2 | 2009年

关键词：

Steam turbine; Blade; Vane; Vibration; Resonance; Cyclic symmetry method;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Half ring structure is used for a stator vane of turbo-machinery. In order to exactly analyze the vibration response characteristics of a half ring structure, a whole model should be used, because the cyclic symmetry method cannot be applied for it. In the mechanical design, however, it is unpractical to carry out the vibration response analysis using a whole model. In this paper, an efficient method for predicting the vibration response characteristics of a half ring structure is proposed. The vibration response characteristics of a half ring structure and a full ring structure are compared, using the formulation derived. The vibration response analysis for an actual steam turbine vane with a half ring structure is carried out to verify the validity of the method proposed here. The vibration characteristics of a half ring structure are also verified by the actual loading test.

引用

页码：499 / 504

页数：6

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