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Aerodynamic stability of the downstream of two tandem square-section cylinders
The velocity distribution in the wake of a square cylinder at different distances from it are measured and reported. Analytical expressions for the wake velocity distribution and for the correlation between wake half-width and downstream distance are obtained. The lift and drag acting on the downstream of two cylinders are measured. Data are acquired with the downstream cylinder undergoing transverse oscillation. From the measurement of the phase angle between the body frequency component of the lift force and the cylinder displacement, the region where the downstream cylinder will be unstable to transverse galloping is estimated, and is found to be in good agreement with the estimation based on the steady flow results in the range L/D<=4.
Aerodynamic stability of the downstream of two tandem square-section cylinders
The velocity distribution in the wake of a square cylinder at different distances from it are measured and reported. Analytical expressions for the wake velocity distribution and for the correlation between wake half-width and downstream distance are obtained. The lift and drag acting on the downstream of two cylinders are measured. Data are acquired with the downstream cylinder undergoing transverse oscillation. From the measurement of the phase angle between the body frequency component of the lift force and the cylinder displacement, the region where the downstream cylinder will be unstable to transverse galloping is estimated, and is found to be in good agreement with the estimation based on the steady flow results in the range L/D<=4.
Aerodynamic stability of the downstream of two tandem square-section cylinders
Luo, S.C. (Autor:in) / Li, L.L. (Autor:in) / Shah, D.A. (Autor:in)
Journal of Wind Engineering and Industrial Aerodynamics ; 79 ; 79-103
1999
25 Seiten, 42 Quellen
Aufsatz (Zeitschrift)
Englisch
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