Experimental Investigation of Flow Past Bluff Body of Square Section Placed on Ground Plane

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概要

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• This paper presents an experimental investigation of a flow past a bluff body of square section placed on ground plane. The experiment was carried out in an N. P. L. type wind tunnel having a working section of 500 × 500 × 2000 mm at the Reynolds number 4.79 × 10^4. The distributions of velocities, static pressures and turbulent intensities of the flow past a bluff body were measured, and the drag and lift coefficients were determined from the pressure distribution on the surface of the bluff body. The vortices generated behind the bluff body were visualized by ink in a water tank at a Reynolds number 1.06 × 10^3. It is found that the drag coefficient decreases with an increasing length/width ratio and the wake is almost the same as that for square plate and bodies of length/width ratio 0.5 and 1.0, except for length/width ratio 1.5.

• 一般社団法人日本機械学会の論文

著者

• Okamoto Shiki

  Shibaura Institute Of Technology

関連論文

• Experimental Investigation of Flow Past Bluff Body of Square Section Placed on Ground Plane
• FLOW PAST CIRCULAR CYLINDER OF FINITE LENGTH PLACED NORMAL TO GROUND PLANE IN UNIFORM SHEAR FLOW

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