Turbulent transport in a swirling jet with vortex core breakdown. PIV/PLIF-measurement and numerical simulation


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Аннотация

Paper reports on optical diagnostics and numerical simulation of the flow structure and transport of a passive scalar in a turbulent swirling jet with vortex core breakdown. Based on the measurements of the instantaneous velocity and concentration fields by PIV and PLIF techniques, the Reynolds stresses and Reynolds fluxes are evaluated and compared to those obtained from URANS and LES simulations. Based on the experimental data and LES-simulation results, the local convective and turbulent transport of the passive scalar are analyzed.

Авторлар туралы

A. Lobasov

Kutateladze Institute of Thermophysics SB RAS; Novosibirsk State University

Хат алмасуға жауапты Автор.
Email: Alexey.Lobasov@gmail.com
Ресей, Novosibirsk; Novosibirsk

V. Dulin

Kutateladze Institute of Thermophysics SB RAS; Novosibirsk State University

Email: Alexey.Lobasov@gmail.com
Ресей, Novosibirsk; Novosibirsk

Ar. Dekterev

Kutateladze Institute of Thermophysics SB RAS

Email: Alexey.Lobasov@gmail.com
Ресей, Novosibirsk

A. Minakov

Kutateladze Institute of Thermophysics SB RAS; Siberian Federal University

Email: Alexey.Lobasov@gmail.com
Ресей, Novosibirsk; Krasnoyarsk

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© Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, 2019