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3-D RANS simulations are employed numerically to study flow characteristics around a near-wall circular cylinder for varying gap-to-diameter (G/D) ratios and range of Reynolds numbers from 100 to 605 ×… Click to show full abstract
3-D RANS simulations are employed numerically to study flow characteristics around a near-wall circular cylinder for varying gap-to-diameter (G/D) ratios and range of Reynolds numbers from 100 to 605 × 104. Pressure distribution and other flow parameters were calculated and compared for all of the cases. The reciprocal effect of vortex shedding and flow characteristics on each other has been discussed. The occurrence of vortex shedding suppression is investigated via comparative parameters, through which the features like flow regime, wall presence, vortical activity, and balance between upper and lower vortex sheets can be taken into account.
Journal Title: International Journal of Offshore and Polar Engineering
Year Published: 2019
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