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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2017, Volume 43, Issue 14, Pages 3–9
DOI: https://doi.org/10.21883/PJTF.2017.14.44817.16502 (Mi pjtf6166) 		 
An experimental study of subsonic microjets escaping from a flat nozzle

V. M. Aniskinab, A. A. Maslovab, K. A. Mukhina

a Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk
b Novosibirsk State University
Full-text PDF (294 kB)
DOI: https://doi.org/10.21883/PJTF.2017.14.44817.16502
Abstract: We have experimentally studied subsonic laminar gas jets escaping from a flat nozzle with dimensions of 83.3 $\times$ 3600 $\mu$m. Reynolds numbers calculated for the given nozzle height and average flow velocity at the nozzle output edge ranged within 58–154. The working gas was air at room temperature. Distributions of the gas velocity and its pulsation along the jet axis were determined. It is established that the obtained characteristics of laminar subsonic microjets are fundamentally different from those of macroscopic turbulent jets. Based on the results of velocity pulsation measurements, it is shown that a laminar–turbulent flow transition is present and its position is determined.
Received: 12.04.2017
English version:
Technical Physics Letters, 2017, Volume 43, Issue 7, Pages 638–640
DOI: https://doi.org/10.1134/S1063785017070161
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. M. Aniskin, A. A. Maslov, K. A. Mukhin, “An experimental study of subsonic microjets escaping from a flat nozzle”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 43:14 (2017), 3–9; Tech. Phys. Lett., 43:7 (2017), 638–640
Citation in format AMSBIB
\Bibitem{AniMasMuk17}
\by V.~M.~Aniskin, A.~A.~Maslov, K.~A.~Mukhin
\paper An experimental study of subsonic microjets escaping from a flat nozzle
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2017
\vol 43
\issue 14
\pages 3--9
\mathnet{http://mi.mathnet.ru/pjtf6166}
\crossref{https://doi.org/10.21883/PJTF.2017.14.44817.16502}
\elib{https://elibrary.ru/item.asp?id=29675130}
\transl
\jour Tech. Phys. Lett.
\yr 2017
\vol 43
\issue 7
\pages 638--640
\crossref{https://doi.org/10.1134/S1063785017070161}
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