ON THE SEPARATED STRUCTURES IN TURBULENT FLOW AROUND OVAL-TRENCH DIMPLES

Авторы: Chulyunin A., Sinyavin A.
Сборник: 25th International Congress of Theoretical and Applied Mechanics, 22-27 August 2021 Abstract Book
Тезисы
Год издания: 2021
Издательство: CEC
Местоположение издательства: Milano, Italy
Аннотация: The mechanisms that determine the structure of the separated turbulent flow of an incompressible fluid around an oval-trench dimple which located on a flat wall transverse to the rectangular channel are discussed. In the case of short oval-trench dimples, including a spherical dimple, there are three equilibrium states of Reynolds-averaged flow: one symmetric state and two reflective asymmetric single vortex states. As the length of dimple increases, the symmetric state of the flow stabilizes, and the possible asymmetric equilibrium states become unstable. Further increases in the length of the dimple lead to the structural topology of the internal flows in the dimple becomes complicated.
Добавил в систему: Чулюнин Алексей Юрьевич

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