Correlation between heat transfer and fluctuating pressure in separated region of a circular cylinder

The wake of a circular cylinder was controlled in two ways: by setting up two small cylinders inside the separated shear layers and by placing a splitter plate behind the cylinder. The former controlled the shake of the shear layers, the latter controlled the vortex formation region. The relationship between the heat transfer in the separated regions and the flow characteristics in connection with the fluctuating components of the flow, was investigated. It was found that the R.M.S. fluctuating pressure at the rear stagnation point was one of the most dominant factors of the heat transfer in the separated regions.