There are two pipelines with diameters d1 = 100 mm and d2 = 50 mm. The viscosity of the liquid in the pipelines is respectively v1 = 23•10-6 m2/s and v2 = 9•10-6 m2/s. The fluid velocity in a larger diameter pipeline is v1 = 7 m/s. At what fluid velocity in a pipeline of smaller diameter will the flows be similar?
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