Abstract
The flow recovery downstream of a sharp edged plate blockage of one subchannel for axial flow through a square-pitched, six-rod array has been investigated for a rod pitch to rod diameter ratio of 1.107. Wall shear stress, local axial velocities, secondary flow velocities, and all terms of the Reynolds stress tensor were measured. Mean and turbulent components of the air flow were measured by Pitot-static and hot-wire anemometer probes at several axial locations downstream of the blockage for a Reynolds number of 48 × 10 3. Flow recovery was incomplete even at the maximum downstream distance ( ∼ 90 hydraulic diameters).
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