Research overview on vibration damping of mistuned bladed disk assemblies

• Main Authors: Liang ZHANG, Tiejian LIU, Xin LI, Xuyao HUO
• Format: Article
• Language: zho
• Published: Hebei University of Science and Technology 2016-04-01
• Series: Journal of Hebei University of Science and Technology
• Subjects: vibration control theory; mistuned bladed disk; collision damping; friction damping; optimization algorithm
• Online Access: http://xuebao.hebust.edu.cn/hbkjdx/ch/reader/create_pdf.aspx?file_no=b201602001&flag=1&journal_

Bladed disk assemblies are very important parts in auto engine and gas turbine, and is widely used in practical engineering. The mistuning existing commonly in the bladed disk assemblies can destroy the vibration characteristics of the bladed disk assemblies, which is one of the reasons for the high cycle fatigue failure of bladed disk assemblies, so it is necessary to research how to reduce the vibration of the bladed disk assemblies. On the basis of the review of relevant research at home and abroad, the mistuning vibration mechanism of the bladed disk assemblies is introduced, and the main technical methods of the vibration damping of bladed disk assemblies are reviewed, such as artificially active mistuning, collision damping, friction damping and optimization of the blade position. Some future research directions are presented.