Abstract
Streamwise and radial components of velocity in the shear layer of an underexpanded jet are measured by the method of spark tracing. The nonuniform distribution of gas-dynamic parameters of the flow in this region is caused by streamwise Görtler-type vortex structures.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
REFERENCES
V. I. Zapryagaev and A. V. Solotchin, "Spatial ow structure at the initial part of a supersonic underexpanded jet," Preprint No. 23-88, Inst. Theor. Appl. Mech., Sib. Div., Acad. of Sci. of the USSR, Novosibirsk (1988).
V. I. Zapryagaev and A. V. Solotchin, "Three-dimensional structure of ow in a supersonic underexpanded jet," J. Appl. Mech. Tech. Phys., 32, No. 4, 503-507 (1991).
V. I. Zapryagaev, A. V. Solotchin, and N. P. Kiselev, "Structure of a supersonic jet with varied geometry of the nozzle entrance," J. Appl. Mech. Tech. Phys., 43, No. 4, 538-543 (2002).
P. G. Zykov, A. M. Filatov, and P. E. Suetin, "Gas-ow velocity measurement by the method of multiple spark breakdown," Prib. Tekh. Éksp., No. 2, 195-197 (1976).
V. N. Rychkov and M. E. Topchiyan, "Direct measurement of hypersonic ow velocity by the method of electric discharge tracing," Teplofiz. Aéromekh., 6, No. 2, 173-180 (1999).
Yu. V. Afonin, A. P. Petrov, and D. G. Nalivaichenko, "Application of a multichannel high-voltage pulse generator for visualization and measurement of gas-ow velocity," Teplofiz. Aéromekh., 9, No. 1, 143-149 (2002).
V. M. Boiko, V. I. Zapryagaev, V. I. Kornilov, et al., "Further development of the spark tracing technique for ow visualization," in: Proc. of the Int. Conf. on the Methods of Aerophysical Research (Novosibirsk, 1-7 July, 2002), Part. 1, Publ. House "Nonparel," Novosibirsk (2002), pp. 40-44.
N. A. Zheltukhin, V. I. Zapryagaev, A. V. Solotchin, and N. M. Terekhova, "Spectral composition and structure of stationary Taylor-Görtler vortices in a supersonic jet," Dokl. Akad. Nauk SSSR, 325, No. 6, 1133-1137 (1992).
N. A. Zheltukhin and N. M. Terekhova, "Taylor-Göortler instability in a supersonic jet," J. Appl. Mech. Tech. Phys., 34, No. 5, 640-646 (1993).
G. Schlichting, Boundary Layer Theory, McGraw-Hill, New York (1968).
V. I. Zapryagaev, A. V. Solotchin, and N. P. Kiselev, "Streamwise vortex structures in a supersonic jet shear layer," in: Proc. West East High Speed Flow Fields, Aerospace Applications from High Subsonic to Hypersonic Regime, CIMNE, Barcelona (2003), pp. 299-305.
V. N. Glaznev and Sh. Suleimanov, Gas-Dynamic Parameters of Weakly Underexpanded Free Jets [in Russian], Nauka, Novosibirsk (1980).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Zapryagaev, V.I., Petrov, A.P. & Solotchin, A.V. Investigation of Nonuniformity of the Velocity Distribution in the Shear Layer of an Underexpanded Jet by Electric Discharge Tracing of the Flow. Journal of Applied Mechanics and Technical Physics 45, 822–827 (2004). https://doi.org/10.1023/B:JAMT.0000046030.10773.09
Issue Date:
DOI: https://doi.org/10.1023/B:JAMT.0000046030.10773.09