Technical Physics Letters
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- 2024
- 2023
- 2022
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.
1
1Khristianovich 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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