Technical Physics Letters
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Selection of an efficiency criterion of gas mixing based on the data on a transverse jet in a supersonic flow in the presence of spark discharges
Volkov L. S. 1, Firsov A. A. 1
1Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, Russia
Email: volkov.ls@phystech.su, firsov@jiht.ru

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Four gas mixing criteria have been compared by using data obtained by numerical modeling of a transverse transonic gas jet in a supersonic air crossflow in the presence of spark discharges. The relationship between the criteria and their behavior have been examined in dependence on the flow structure. The paper shows that instantaneous values of the criteria are not directly interrelated. Nevertheless, the criteria averaged over time are consistent with each other in most cases. Selection of an acceptable criterion for experimental studies is discussed. Keywords: supersonic flow, injection, mixing, spark discharge.
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