A SIMPLE MODELING AND EXPERIMENT ON DYNAMIC STABILITY OF A DISK ROTATING IN AIR-Reference-Cited by-同舟云学术

A SIMPLE MODELING AND EXPERIMENT ON DYNAMIC STABILITY OF A DISK ROTATING IN AIR

Published:2008-03 Issue:01 Volume:08 Page:41-60
ISSN:0219-4554
Container-title:International Journal of Structural Stability and Dynamics
language:en
Short-container-title:Int. J. Str. Stab. Dyn.

Author:

WANG XINGZHE¹,HUANG X. Y.²

Affiliation:

1. School of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000, P. R. China

2. School of Mechanical and Production Engineering, Nanyang Technological University, 639798, Singapore

Abstract

In this paper, the dynamic stability of a disk rotating in air has been modeled and analyzed numerically as well as observed from experiments. A simple expression on the aerodynamic loading acting on the rotating disk is applied in the modeling, and the dynamic stability results of the disks are evaluated based on the eigenvalues for the vibration modes. The disk critical speeds and the flutter speeds are calculated and compared with the results from experiments, which are conducted on two steel disks with different diameters and thicknesses. The modeling predicts that the rotating disk flutter starts with the mode (0, 3)B, which agrees with the results reported in the literature and the observation in the present experimental study.

Publisher

World Scientific Pub Co Pte Lt

Subject

Applied Mathematics,Mechanical Engineering,Ocean Engineering,Aerospace Engineering,Building and Construction,Civil and Structural Engineering

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0219455408002545

Reference17 articles.

1. Non-repeatable flutter of magnetic recording disks

2. Vibration of Flexible Rotating Disks

3. Aerodynamically Excited Vibration Of A Rotating Disk

4. Critical and flutter speeds of optical disks

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