A general approach to tune the vibration properties of the mounting system in the high-speed and heavy-duty engine
Zhang, Baocheng, Zhan, Haifei, & Gu, YuanTong (2016) A general approach to tune the vibration properties of the mounting system in the high-speed and heavy-duty engine. Journal of Vibration and Control, 22(1), pp. 247-257.
Majority of the current research on the mounting system has emphasised on the low/medium power engine, rare work has been reported for the high-speed and heavy-duty engine, the vibration characteristics of which exhibits significantly increased complexity and uncertainty. In this work, a general dynamics model was firstly established to describe the dynamic properties of a mounting system with various numbers of mounts. Then, this model was employed for the optimization of the mounting system. A modified Powell conjugate direction method was developed to improve the optimization efficiency. Basing on the optimization results obtained from the theoretical model, a mounting system was constructed for a V6 diesel engine. The experimental measurement of the vibration intensity of the mounting systems shows excellent agreement with the theoretical calculations, indicating the validity of the model. This dynamics model opens a new avenue in assessing and designing the mounting system for a high-speed and heavy-duty engine. On the other hand, the delineated dynamics model, and the optimization algorithm should find wide applications for other mounting systems, such as the power transmission system which usually has various uncertain mounts.
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|Item Type:||Journal Article|
|Keywords:||mounting system, vibration, inertia matrix, stiffness matrix|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Acoustics and Noise Control (excl. Architectural Acoustics) (091301)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Dynamics Vibration and Vibration Control (091304)
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2014 The Author(s)|
|Deposited On:||30 Jul 2014 23:39|
|Last Modified:||19 Jan 2016 20:26|
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