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INVESTIGATION OF CHARACTERISTIC PROPERTIES OF FLOWS IN DUCTS DURING INTERFERENCE BETWEEN PERTURBATIONS AND PSEUDO-SHOCK

Volume 43, Issue 6, 2012, pp. 753-774
DOI: 10.1615/TsAGISciJ.2013007486
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ABSTRACT

The phenomenon of recirculation zones during the interaction of free or fixed pseudo-shock with perturbations from a thin needle, vortex filament and low-pressure jet is considered. The effect of this interaction on the integral characteristics of flows in ducts and the methods of their control are evaluated. Based on studies of the interaction of vortex filament generated ahead of the entry of the duct with pseudo-shock, a method to improve the characteristics of the flow in the duct in the case of a vortex filament passing into the inlet is offered. Improvement can be accomplished by the creation of a local recirculation zone at the duct entry by the sharp needle placed in front of the entry plane.

CITED BY
  1. Zamuraev V, Kalinina A, About the possibility of creating a stable transonic region in supersonic flow in the channel, Journal of Physics: Conference Series, 722, 2016. Crossref

  2. Zamuraev V. P., Kalinina A. P., Transonic region formation at the thermal and gas-dynamic action on a supersonic duct flow, Thermophysics and Aeromechanics, 25, 1, 2018. Crossref

  3. Zamuraev V. P., Kalinina A. P., Study of the effect of supply of energy and mass on the formation of transonic region in supersonic flow in a channel of variable cross section, 1893, 2017. Crossref

  4. Zamuraev V. P., Kalinina A. P., Controlling transonic region formation in the supersonic flow by jet and near-wall energy supply, 2027, 2018. Crossref

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