Abstract
Laminar-turbulent transition in the mixing layer of supersonic nitrogen and argon jets has been studied experimentally using a local pulse diagnostic technique based on the Rayleigh light scattering effect. It was found that, in the argon jet, the transition to turbulence occurs at smaller Reynolds numbers than in the nitrogen jet. Among the possible reasons for this, the effects of the specific heat ratio and the second viscosity on the transition to turbulence are discussed.
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Additional information
Novosibirsk. Translated from Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, No. 3, pp. 196–200, May–June, 1998.
The work received financial support from the Russian Foundation for Basic Research (project No. 96-01-01565).
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Nerushev, O.A., Novopashin, S.A. & Perepelkin, A.L. Transition to turbulence in supersonic jets of nitrogen and argon. Fluid Dyn 33, 459–462 (1998). https://doi.org/10.1007/BF02698199
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DOI: https://doi.org/10.1007/BF02698199