2021
DOI: 10.1088/1873-7005/abefb7
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Optimal perturbations in viscous channel flow with crossflow

Abstract: This work is devoted to the studies of optimal perturbation and its transient growth characteristics in the Poiseuille flow with Reynolds number R = 1000 and with crossflow. The crossflow Reynolds number R v , based on the uniform velocity in the negative normal direction, is varied from 0 to 200. The numerical result shows that the crossflow enhances the transient growth for three-dimensional disturbance case when … Show more

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