Summary
The studies carried out with use of schlieren-camera IAB-451 with a spark light source allowed to reveal the structure of composite pulse jets. The system of vortices, which appears at the exit of nozzles in the initial stage of the flow, essentially affects the behavior of the jet flow in the stage of formation. Propagation of primary shock-waves and of contact surfaces are compared for the cases of single and composite jets. The effect of repulsion of adjacent jets due to interaction of vortices is discovered. During the quasistationary stage of the flow from blocks of nozzles, the gas-dynamic inversion and anomalous lateral prominences were observed.
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References
Supersonic gas jets. Ed. V.G.DuloV/ Nauka, 1982 (in Russian).
Naboko I.M., Golub V.V., Eremin A.V., Kochnev V.A., Kulikovskii A.A. Wave structure and density distribution in a non-stationary gas jet. — Archives of Mechanics, 1977, vol. 29, No. 1, p. 69–80.
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© 1985 Springer-Verlag, Berlin, Heidelberg
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Golub, V.V., Naboko, I.M., Shulmeister, A.M. (1985). An Investigation of Impulse Jet Outflowing from Multi-Nozzle Blocks by Means of the Schlieren Installation. In: PÃchal, M. (eds) Optical Methods in Dynamics of Fluids and Solids. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82459-3_45
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DOI: https://doi.org/10.1007/978-3-642-82459-3_45
Publisher Name: Springer, Berlin, Heidelberg
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