Turbulent Structure Detection in Rayleigh-Taylor Instabilities.
- đ¤ Speaker: Dr Romain Watteaux, DAMTP
- đ Date & Time: Friday 26 April 2013, 13:00 - 14:15
- đ Venue: LR10, Baker Building (South wing).
Abstract
We develop a novel technique, applicable to numerical and experimental results alike, to detect large-scale turbulent structures in incompressible Rayleigh-Taylor mixing layers at low Atwood number. With results from Direct Numerical Simulations, we show that these structures are continuous along the turbulent mixing zones and exhibit a bimodal behaviour. The structures can therefore be categorized into two groups. This result strengthens the validity of the two-structure approach used in some turbulent mixing models.
Series This talk is part of the Engineering Fluids Group Seminar series.
Included in Lists
- Acoustics Lab Seminars
- Engineering Department Acoustics/Combustion Student seminars
- Engineering Fluids Group Seminar
- LR10, Baker Building (South wing).
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Friday 26 April 2013, 13:00-14:15