EPJ Web Conf.
Volume 159, 2017XIV All-Russian School-Conference of Young Scientists with International Participation “Actual Problems of Thermal Physics and Physical Hydrodynamics”
|Number of page(s)||5|
|Published online||25 October 2017|
The effect of stable stratification on vortex stretching in open channel flow
Institute of Thermophysics of SB RAS, 630090, Ac. Lavrentiev ave. 1, Novosibirsk, Russia
* Corresponding author: email@example.com
Published online: 25 October 2017
We present the results of direct numerical simulation of stably stratified open channel flow. The main goal of the paper is to check the effect of thermal stratification on the dynamics of vortex interactions. By comparing the vortex stretching in neutral and stratified cases we show that imposing the stratification leads to an increase of the ratio between positive and negative vortex stretching magnitudes in the flow. That indicates the change in spectral transfer of turbulent energy.
© The authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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