Tube arrays in cross flow start to vibrate abruptly when the flow reaches at a certain velocity. The threshold flow velocity depends upon the geometrical arrangement of tubes. It is very important for practical applications to understand the relations between the threshold velocity and pitch-to-diameter ratio of tube array. Unsteady fluid dynamic forces on a tube array with a pitch-to-diameter ratio of 2.0 were clarified experimentally and the characteristics of the threshold velocity were revealed by calculating the velocity with the unsteady forces. By comparing the threshold velocities of tube arrays of pitch-to-diameter ratio of 2.0 and 1.33, the characteristics of threshold velocity with respect to pitch-to-diameter ratio were clarified.
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August 1982
Research Papers
Flow-Induced Vibration of Tube Arrays With Various Pitch-to-Diameter Ratios
H. Tanaka,
H. Tanaka
Nagasaki Technical Institute, Mitsubishi Heavy Industries, Ltd., Nagasaki, Japan
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S. Takahara,
S. Takahara
Nagasaki Technical Institute, Mitsubishi Heavy Industries, Ltd., Nagasaki, Japan
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K. Ohta
K. Ohta
Nagasaki Technical Institute, Mitsubishi Heavy Industries, Ltd., Nagasaki, Japan
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H. Tanaka
Nagasaki Technical Institute, Mitsubishi Heavy Industries, Ltd., Nagasaki, Japan
S. Takahara
Nagasaki Technical Institute, Mitsubishi Heavy Industries, Ltd., Nagasaki, Japan
K. Ohta
Nagasaki Technical Institute, Mitsubishi Heavy Industries, Ltd., Nagasaki, Japan
J. Pressure Vessel Technol. Aug 1982, 104(3): 168-174 (7 pages)
Published Online: August 1, 1982
Article history
Received:
March 19, 1982
Online:
November 5, 2009
Citation
Tanaka, H., Takahara, S., and Ohta, K. (August 1, 1982). "Flow-Induced Vibration of Tube Arrays With Various Pitch-to-Diameter Ratios." ASME. J. Pressure Vessel Technol. August 1982; 104(3): 168–174. https://doi.org/10.1115/1.3264199
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