Abstract
This paper deals with the effect of an adjacent viscous fluid on the torsional vibration of a circular rod. The rod is in contact with the viscous fluid at one end face, and the other end face is torsionally excited by a transducer. The interaction between the torsional vibration of the rod and the fluid has been studied theoretically. Expressions for the natural frequencies and damping rate of the torsional vibration have been obtained through exact and approximate solutions.
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This paper was recommended for publication in revised form by Associate Editor Yeon June Kang
Jin Oh Kim was born in Seoul, Korea, in 1958. He received the B. S. and M. S. degrees in mechanical engineering from Seoul National University, in 1981 and 1983, respectively, and the Ph.D. degree from University of Pennsylvania, Philadelphia, in 1989. He worked at Korea Research Institute of Standards and Science, Northwestern University, and Samsung Advanced Institute of Technology. Since 1997, he has been with the Faculty of Soongsil University, where he is currently a Professor of mechanical engineering. His research interests are in the area of ultrasonic sensors and actuators using mechanical vibrations.
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Kim, J.O., Chun, H.Y. Effect of a viscous fluid at the end face on the torsional vibration of a rod. J Mech Sci Technol 24, 505–512 (2010). https://doi.org/10.1007/s12206-009-1213-7
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DOI: https://doi.org/10.1007/s12206-009-1213-7