Mixing of gas jets of different molecular weights with a high-speed air flow when their dynamic head is changed
AkininS. A.
1, KorotaevaT.A.
1, Starov A.V.
11Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
Email: starov@itam.nsc.ru, korta@itam.nsc.ru
The results of a computational and experimental study of the distributed transverse injection of hydrogen and methane jets into a high-speed flow are presented. The effect of jets on the flow structure in a rectangular channel of a variable cross section is determined when the dynamic head coefficient changes in the range 1.27-6. It is shown that the mixing efficiency increases with an increase in the dynamic head and, to a lesser extent, with an increase in the molecular weight of the injected gas. Keywords:high-speed flow, injection, dynamic head, mixing. DOI: 10.61011/TPL.2023.09.56701.19639
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