TY - JOUR
T1 - The phase control of vortex shedding behind a cylindrical bluff body by micro-excitation on boundary layer
AU - Oda, Manabu
AU - Yamamoto, Yoshihisa
AU - Furukawa, Masato
AU - Inoue, Masahiro
PY - 2003/9
Y1 - 2003/9
N2 - A control of periodic vortex shedding behind a cylindrical bluff body has been made experimentally by vibrating side-plates with piezoelectric actuators. Entrainment of the vortex shedding frequency occurs by the vibration with amplitude of 20≈65 μm. The entrainment effect is evaluated quantitatively by introducing an integral scale of the frequency in the power spectral density distribution. When the side-plates are vibrated with an opposite phase in a half span of the body, the vortex shedding follows up the vibration. In the mid span, a switching phenomenon of the vortex shedding is observed.
AB - A control of periodic vortex shedding behind a cylindrical bluff body has been made experimentally by vibrating side-plates with piezoelectric actuators. Entrainment of the vortex shedding frequency occurs by the vibration with amplitude of 20≈65 μm. The entrainment effect is evaluated quantitatively by introducing an integral scale of the frequency in the power spectral density distribution. When the side-plates are vibrated with an opposite phase in a half span of the body, the vortex shedding follows up the vibration. In the mid span, a switching phenomenon of the vortex shedding is observed.
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U2 - 10.1299/kikaib.69.2030
DO - 10.1299/kikaib.69.2030
M3 - Article
AN - SCOPUS:0344236294
SN - 0387-5016
VL - 69
SP - 2030
EP - 2036
JO - Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
JF - Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
IS - 685
ER -