Study the flow around a square upstream and a circular cylinder

Abstract

The analysis of flow through a square cylinder and a circular cylinder upstream is the focus of this experimental study. The experimental study is carried out in a water channel, and aluminum tracer particles are sprayed onto the water's surface to show the flow around cylinders. Power halogen lamps illuminate the water bed, and a video camera records the fluid flow phenomenon. First, we examine the flow around a single square cylinder and a single circular cylinder. Based on the published research, the interference effects between two tandem circular cylinders are then investigated. Finally, the flow around a tandem arrangement of circular and square cylinders is analyzed. The circular cylinder serves as the upstream cylinder in the studies that were presented for the tandem arrangement of square and circular cylinders, while the square cylinder serves as the downstream cylinder. Various spacing ratios were used to visualize the flow patterns. This investigation also looked into how the spacing affects the Strouhal number variation. The flow patterns of interfering twin circular cylinders and a circular-square combination in tandem arrangement were found to be significantly influenced by the spacing ratio. The cylinders' Strouhal number was also observed to be influenced by the spacing ratio.