Author(s): John A. Mccorquodale; Abdel-Alim A. Hannoura

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Abstract: It is shown that free stream turbulence can cause apparent scale effects in certain hydraulic models, namely, those involving highly curvilinear flow. These apparent scale effects can be more than triple the normal boundary layer displacement effect. Sluice gate models with variable inclinations were used to investigate this effect. It was found that high free stream turbulence could increase the contraction coefficient by more than 10% relative to the theoretical solution.

DOI: https://doi.org/10.1080/00221687609499668

Year: 1976