The understanding of the heat transfer in separated and reattached flows is essential for a wide range of engineering applications. The majority of the literature uses air as a working fluid for experimental and numerical investigations. The blunt flat plate configuration offers a generic starting point for flow and heat transfer investigations in separated and reattached flow regions. The present contribution is dealing with experimental measurements of the flow and convective heat transfer within the separated and reattached flow on a blunt flat plate. The blunt plate was placed inside a closed circuit water tunnel. By this approach, in comparison with reliable literature data for air, it was possible to investigate the effect of the Prandtl number on the convective heat transfer of blunt flat plate.
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