TY - JOUR
T1 - On the hysteresis of vortex shedding in a periodically-varying flow
AU - Hu, Chih Chung
AU - Miau, Jiun Jih
AU - Chou, Jung Hua
N1 - Funding Information:
The authors would like to acknowledge the support of this work by National Science Council, Taiwan (ROC), under the contract number NSC 92-2212-E-006-008.
PY - 2004/12
Y1 - 2004/12
N2 - Efforts are made to explore the hysteresis characteristics of vortex shedding in a pipe flow, whose velocity varies periodically in time. Results obtained show that during acceleration of the flow, the vortex strength tends to be stronger, whereas during deceleration of the flow, the situation is reversed. As reconstructed from the velocity signals measured at a point in the flow field, the shed vortex arrays appear to possess uneven vortex strengths in response to periodically-varying incoming flows. Furthermore, in the hysteresis range, the streamwise spacings between the vortices appear to be unequal.
AB - Efforts are made to explore the hysteresis characteristics of vortex shedding in a pipe flow, whose velocity varies periodically in time. Results obtained show that during acceleration of the flow, the vortex strength tends to be stronger, whereas during deceleration of the flow, the situation is reversed. As reconstructed from the velocity signals measured at a point in the flow field, the shed vortex arrays appear to possess uneven vortex strengths in response to periodically-varying incoming flows. Furthermore, in the hysteresis range, the streamwise spacings between the vortices appear to be unequal.
UR - https://www.scopus.com/pages/publications/10244232901
UR - https://www.scopus.com/pages/publications/10244232901#tab=citedBy
U2 - 10.1016/j.fluiddyn.2004.10.001
DO - 10.1016/j.fluiddyn.2004.10.001
M3 - Article
AN - SCOPUS:10244232901
SN - 0169-5983
VL - 35
SP - 409
EP - 423
JO - Fluid Dynamics Research
JF - Fluid Dynamics Research
IS - 6
ER -