Vibration response characteristics of blade with half-ring structure

被引：0
|
作者：
Kaneko, Yasutomo [1 ]
机构：
[1] Takasago Research and Development Center, Mitsubishi Heavy Industries, Ltd., 2-1-1 Shinhama, Arai-cho, Takasago-shi, Hyogo, 676-8686, Japan
来源：
Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C | 2009年 / 75卷 / 750期
关键词：
Steam turbines - Vibration analysis;
D O I：
暂无
中图分类号：
学科分类号：
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. 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.
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页码：296 / 301
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