Instantaneous vorticity contours for cylinders in tandem arrangement (P/D = 2, α = 0°). As the Reynolds number used in present work lies in the unsteady laminar periodic vortex shedding regime, the time-averaged quantities of the flow parameters are calculated over approximately 20 vortex shedding cycles after the flow field becomes dynamically steady.
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Hi Raees, thanks for taking part in this contest. The contest is actually for still images. Appreciate if you could upload a frame from your video instead.