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TECHNICAL PAPERS

Flutter Limits and Behavior of a Flexible Thin Sheet in High-Speed Flow— II: Experimental Results and Predicted Behaviors for Low Mass Ratios

[+] Author and Article Information
Nobuyuki Yamaguchi

Department of Mechanical Engineering, Meisei University, Hino City, Tokyo 191-8506, Japan

Tooru Sekiguchi

Y. D. K. Ltd., Oshitate, Inaki City, Tokyo 206-0811, Japan

Kazuhiko Yokota

Department of Mechanical Engineering, Osaka University, Faculty of Engineering Science, Toyonaka City 560-8531, Japan

Yoshinobu Tsujimoto

Department of Mechanical Engineering, Osaka University, Faculty of Engineering Science, Toyonaka City 560-8531, Japan

J. Fluids Eng 122(1), 74-83 (Sep 17, 1999) (10 pages) doi:10.1115/1.483228 History: Received April 01, 1999; Revised September 17, 1999
Copyright © 2000 by ASME
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References

Yamaguchi,  N., Yokota,  K., and Tsujimoto,  Y., 2000. “Flutter Limits and Behaviors of a Flexible Thin Sheet in High-Speed Flow—I: Analytical Method for Prediction of the Sheet Behavior,” ASME J. Fluids Eng., 122, pp. 65–73.
Hoerner, S. F., 1965, Fluid-Dynamic Drag, Hoerner Fluid Dynamics, Brick Town, NJ, pp. 3–25.
Taneda, S., 1966, “Drag of Fluttering Cloths,” Preprints of the 21st Meeting of Physical Society of Japan, p. 91 (in Japanese).
Taneda,  S., 1968, “Wave Motions of Flags,” J. Phys. Soc. Jpn., 24, pp. 329–401.
Sparenberg,  J. A., 1962, “On the Waving Motion of a Flag,” Proc. Ned. Akad. Sci. Ser. B, 65, pp. 378–392.
Datta,  S. K., and Gottenberg,  W. G., 1975, “Instability of an Aeroelastic Strip hanging in an Airstream,” ASME J. Appl. Mech., 42, pp. 195–198.
Yamaguchi, N., Sekiguchi, T., and Ogata, M., 1998, “Effects of Disturbances on Flutter Speed of Flexible Thin Sheets Blown in Air Flow,” Preprints of Japan Society of Mechanical Engineers, No. 98-1, pp. III 17–18.
Yamaguchi, N., Sekiguchi, T., Tsujimoto, Y., and Yokota, K., 1998, “Effects of Fluid Friction on the Flutter Behaviors of Flexible Thin Sheets in Air Flow,” Preprints of Japan Society of Mechanical Engineers, No. 98-15, pp. 305–306.
Yamaguchi,  N., Sekiguchi,  T., Yokota,  K., and Tsujimoto,  Y., 1999, “Flutter Limits and Behavior of a Flexible Thin Sheet in High Speed Flow, (2) Experimental Results and Predicted Behaviors for Low Mass Ratios,” Trans. Jpn. Soc. Mech. Eng., Ser. B, 65, pp. 1232–1239.
Huang,  L., 1995, “Flutter of Cantilevered Plates in Axial Flow,” J. Fluids Struct., 9, pp. 127–147.
Watanabe, Y., Isogal, K., and Sugihara, M., 1995, “Basic Study of Flutter Mechanism of Paper Sheet,” Preprints of Japan, Society of Mechanical Engineers, No. 95-10(V), pp. 145–146.
Yamaguchi, N., 1999, “Regions Predominated by Bending Modes and Tension Modes in the Flutter Phenomena of Thin Sheet or Web in Flow,” Research Bulletin of Meisei University, Faculty of Physical Sciences and Engineering, No. 35, pp. 31–37.
Yamaguchi, N., 1997, “Prediction of Stability Limits and Fluttering Behavior of a Flexible Thin Sheet in High Speed Flow,” International Conference of Fluids Engineering, Japan Society of Mechanical Engineers, Tokyo, ICFE-97-1109, No. 97-203, Vol. 1, pp. 527–532.

Figures

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Predicted modes of the sheet vibrations and the pressure differences affected by mass ratios and fluid frictions
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Predicted effects of fluid frictions on the flutter limit relative stiffness (a) and on the reduced frequencies (b) for mass ratio of 0.005 83
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The sheet flutter test setup and the wind tunnel
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Effects of mass ratios on the flutter boundary (relative stiffness)
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Effects of mass ratios on the flutter frequency (reduced frequency)
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Predicted flutter frequency versus mass ratio normalized by the first mode natural frequency in vacuum
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Flutter modes of the displacements and pressure differences along the sheet for three mass ratios for the high to the medium μ regions
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Predicted vibration modes for a mass ratio of 0.0058 for changing surface friction coefficient
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Predicted distributions of fluid work input into the sheet for the region of high-to-low-mass ratios
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Predicted distributions of fluid work input into the sheet for a very small mass ratio of 0.005 83 affected by surface friction forces
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Tendency of flutter speeds with sheet width

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