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Report No.

Influence of inlet velocity condition on unsteady flow characteristics in piping with a short-elbow at high Reynolds number condition

Ono, Ayako; Tanaka, Masaaki; Kobayashi, Jun; Kamide, Hideki

The fluid structures in the short-elbow whose curvature radius equals to its diameter were examined with varying the inlet condition. The velocity profile and turbulence intensity at the elbow inlet were changed by various perforated plate. It was found that the inlet condition affect to the flow structure in the elbow and the low frequent velocity fluctuation remained downstream of the elbow.



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