Electric-discharge effect in a plasma wake flow: Pulsation energy redistribution toward lower frequenciesстатья
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Дата последнего поиска статьи во внешних источниках: 21 мая 2019 г.
Аннотация:The near wake gas–plasma flow downstream two cylinders arranged side by side across the flow has been studied in the region of Reynolds numbers Re ~ 1000. The spectrum of velocity oscillations reveals a redistribution of the power of quasi-coherent pulsations from high- to low-frequency peak under the action of glow discharge. A possible explanation of this phenomenon is proposed, which is based on the results of flow modeling by coupled van der Pol oscillators and takes into account the dependence of the spatial distribution of the current on its magnitude.