Passive Control of Plume Interference on Slender Axisymmetric Bodies

Y.K. Lee, Srinivasan Raghunathan, Emmanuel Benard

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

The physics of the plume-induced shock and separation, particularly at high plume to exit pressure ratios with and without shock-turbulent boundary-layer control methods, were studied using computational techniques. Mass-averaged Navier-Stokes equations with a two-equation turbulence model were solved by using a fully implicit finite volume scheme and time.marching algorithm. The control methodologies for shock interactions included a porous tail and a porous extension attached at the nozzle exit or trailing edge. The porous tail produced a weaker shock and fixed the shock position on the control surface. The effect of the porous extension on shock interactions was mainly to restrain the plume from strongly underexpanding during a change in flight conditions. These techniques could give an additional dimension to the design and control of supersonic missiles.
Original languageEnglish
Pages (from-to)1653-1662
Number of pages10
JournalAIAA Journal
Volume43 (8)
Issue number8
Publication statusPublished - Aug 2005

ASJC Scopus subject areas

  • Aerospace Engineering

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