Flow Analysis Experiment Around a Circular Cylinder with Splitter Plate

The flow past a circular cylinder has been extensively studied in the past, so as to understand the complex flow field, acting around the cylinder. The presence of boundary layer separation makes the flow highly unsteady, which leads to a phenomenon of vortex induced vibration, which can be highly damaging for the cylinder. The major contribution drag on cylinder was due to the pressure drag, it is also observed that the interaction of vortices leads to a higher pressure drag. Therefore, the present work aims to restrict the interaction of vortices. The restriction has been brought using a splitter plate, fixed at angle Ɵ=180o. Due to the presence of the splitter plate, the two vortices in the upper and lower half of the cylinder become blind and do not interact with each other. Mainly, the present case has been studied with the Effect of the length of the splitter plate. The measurement of surface pressure distribution, carried out in the subsonic wind tunnel at a Reynolds's number 35000 and some specified cases of splitter plate with circular cylinder. Results of the present computation were validated. The pressure distribution along the surface of the cylinder, effect splitter plate, strouhal number and time variation of lift and drag were investigated.