The heat transfer and drag behavior of a heated circular cylinder with integral heat conducting downstream splitter plate in transverse airflow has been experimentally investigated. The wind tunnel model was a thick-walled aluminum cylinder internally heated with electric resistance heaters and having a splitter plate whose length was varied for each test. Test results indicate the addition of the plate improved heat transfer characteristics with increased plate length, the most dramatic increase in Nusselt number being at the transition from a plate length of 1/3 the cylinder diameter to 2/3 the diameter at the higher speeds. Drag reduction was, in general, also evident with increased plate length.

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