Supersonic Flow Control by Magnetic Field
Final rept. 15 May 2001-22 Mar 2006
RUSSIAN ACADEMY OF SCIENCES SAINT PETERSBURG IOFFE PHYSICAL-TECHNICAL INST
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This report results from a contract tasking Ioffe Physico-Technical Institute of Russian Academy of Sciences as follows The project proposes thorough experimental and theoretical investigations of the effects of magnetic and electric fields on performance of magnetohydrodynamic MHD control over supersonic flows in supersonic intakes. Experimental and numerical investigations focuses on the basic aspects of MHD interaction taking into account the specific characters of gas ionisation, thermodynamic and electrophysical properties of weakly-ionised plasma, molecular and turbulent transport, shock-waves dynamics, boundary layers on the intake walls, massive flow separation within the scram-jet flow pass. Recent results of experimental and theoretical investigations carried out by the laboratories involved revealed important aspects of MHD supersonic flow control. It was found that a global change of intake flow structure might be achieved with local in time and space MHD impact. Other aspect is supposed to be important is investigation of essentially unsteady processes induced by pulse-periodic MHD impact on flow structure in intake models. The MHD flows under study were found to be conducive to separation due to the MHD interaction which is supposed to be investigated as well. Thus in the course of the project new aspects of MHD interaction will be systematically studied shock-wave-boundary layer interaction, flow separation, local MHD impact and pulse-periodic regime of intake operation.
- Electricity and Magnetism
- Fluid Mechanics