Speckle-interferometry in the investigation of large-size gas turbine engine structures vibration

被引：4
|
作者：
Bystrov, N. D. [1 ]
Zhuzhukin, A. I. [2 ]
机构：
[1] Samara Natl Res Univ, 34 Moskovskoye Shosse, Samara 443086, Russia
[2] PJSC Kuznetsov, 29 Zavodskoye Shosse, Samara 443009, Russia
来源：
PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON DYNAMICS AND VIBROACOUSTICS OF MACHINES (DVM2016) | 2017年 / 176卷
关键词：
speckle-interferometry; vibration modes; vibration measuring; laser speckles;
D O I：
10.1016/j.proeng.2017.02.346
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A speckle-interferometer plant has been developed to investigate bladed turbo-machinery wheels vibration. A plant optical arrangement and an object under investigation are placed on a massive holographic plate. Turbine wheel vibration frequencies and modes of one of the aircraft engines are given which have been obtained using this plant. Another speckle-interferometer has been designed requiring no interferometer plate (table) to investigate part vibration under working area conditions. With the help of this plant, investigation of fan blades lot vibration frequencies and modes has been performed. (C) 2017 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：471 / 475
页数：5
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