Abstract
Flow visualization, manometry, and hot-wire anemometry have been applied to approximately threedimensional airflow around separated ribs with rib spacing-to-height ratio equal to 5.31, rib height-to-hydraulic ratio diameter 0.19, and Reynolds number ranging from 13,000 to 130,000 in order to simulate important aspects relating to turbine blade internal cooling design. Moreover, smoke flow pattern was observed and discussed in the range of 100 < ReH < 9000. The main features of the flow, which is eventually periodic in the streamwise direction, developing lengths, pressure loss coefficient, and mean and rms velocity distribution are presented.
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