Estimation of turbulent energy dissipation in the boundary layer using Smoke Image Velocimetry

被引：0
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作者：
N. I. Mikheev
A. E. Goltsman
I. I. Saushin
O. A. Dushina
机构：
[1] Kazan Scientific Center of the Russian Academy of Sciences,
来源：
Experiments in Fluids | 2017年 / 58卷
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摘要：
Turbulent energy dissipation in the turbulent boundary layer has been estimated experimentally. Dissipation has been derived from dynamics of two-component instantaneous velocity vector fields measured by an optical method. Smoke Image Velocimetry technique based on digital processing of smoke visualization of flow and adapted to relatively large smoke displacement between two consecutive video frames has been employed. The obtained dissipation profiles have been compared with measurements by multi-sensor hot-wire anemometers, stereo PIV, Tomo-3D-PTV with VIC+, and DNS results.
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