NUMERICAL SIMULATION OF TURBULENT FLOW OVER OF SEMI-CYLINDRICAL PROFILE AT ZERO ANGLE OF ATTACK | Научно-инновационный портал СФУ

NUMERICAL SIMULATION OF TURBULENT FLOW OVER OF SEMI-CYLINDRICAL PROFILE AT ZERO ANGLE OF ATTACK

Тип публикации: доклад, тезисы доклада, статья из сборника материалов конференций

Конференция: Conference on Heat and Mass Transfer in the System of Thermal Modes of Energy - Technical and Technological Equipment (HMTTSC); Tomsk, RUSSIA; Tomsk, RUSSIA

Год издания: 2016

Идентификатор DOI: 10.1051/matecconf/20167201100

Ключевые слова: Angle of attack, Heat transfer, Mesh generation, Numerical models, Reynolds number, Turbulent flow, Vortex flow, Wakes, Chord lengths, Eddy viscosity model, Large-scale vortices, Mesh resolution, Solution accuracy, Two-dimensional numerical simulation, Vortex street, Zero angle, Mass transfer

Аннотация: Results of unsteady two-dimensional numerical simulations for the turbulent flow over the semi-cylindrical profile at Reynolds number 45000 are presented. Three different turbulence RANS eddy viscosity models are used for the simulation. The calculations show the formation of alternating large-scale vortices shed in the wake of the body. The calculated averaged pressure distribution on the contour demonstrate a good agreement with the experimental data. A series of calculations have been performed for the estimation of influence of mesh resolution in the wake of streamlined body on the unsteady solution accuracy. It was found that a mesh size similar to 0.04 of chord length is sufficient to resolve the vortex street.

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Издание

Журнал: HEAT AND MASS TRANSFER IN THE SYSTEM OF THERMAL MODES OF ENERGY - TECHNICAL AND TECHNOLOGICAL EQUIPMENT (HMTTSC-2016)

Выпуск журнала: Vol. 72

ISSN журнала: 2261236X

Место издания: CEDEX A

Издатель: E D P SCIENCES

Авторы

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