The effect of periodic velocity variation on turbulent characteristics of a channel flow behind a rib

The kinematic structure of the flow behind a rib is experimentally investigated for the cases of steady-state and pulsating regimes of air flow. The frequency varies in the range of 0 - 30 Hz, and the normalized amplitude of forced velocity pulsations is 0.5. The profiles of velocity and turbulent c...

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Bibliographic Details
Published in:Journal of physics. Conference series 2020-12, Vol.1675 (1), p.12012
Main Authors: Mikheev, A N, Mikheev, N I, Davletshin, I A
Format: Article
Language:English
Subjects:
Air flow
Channel flow
Physics
Turbulent flow
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Summary:The kinematic structure of the flow behind a rib is experimentally investigated for the cases of steady-state and pulsating regimes of air flow. The frequency varies in the range of 0 - 30 Hz, and the normalized amplitude of forced velocity pulsations is 0.5. The profiles of velocity and turbulent characteristics are demonstrated at characteristic coordinates of the separation region.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1675/1/012012