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Identification of a laminar-turbulent interface in partially turbulent flow

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Abstract

Viscous incompressible fluid flow along the clearance between two parallel eccentric circular cylinders is studied numerically. The geometric parameters and the Reynolds number are taken so that the turbulent flow regime takes place in a part of flow, namely, in the zone where the clearance is wide, while the low is laminar in the narrow clearance zone. Criteria using which these zones can be distinguished are discussed.

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Original Russian Text © H.L. Wang, N.V. Nikitin, S.I. Chernyshenko, 2011, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2011, Vol. 46, No. 6, pp. 81–87.

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Wang, H.L., Nikitin, N.V. & Chernyshenko, S.I. Identification of a laminar-turbulent interface in partially turbulent flow. Fluid Dyn 46, 911–916 (2011). https://doi.org/10.1134/S0015462811060081

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