NDLI: Hypersonic MHD Interaction on a Conical Test Body With a Hall Electrical Connection

Content Provider	IEEE Xplore Digital Library
Author	Cristofolini, A. Borghi, C.A. Carraro, M.R. Neretti, G. Passaro, A. Fantoni, G. Biagioni, L.
Copyright Year	1973
Abstract	The MHD interaction around a conical test body in a hypersonic argon flow was experimentally investigated. The aim of the experiment was to produce a database to be used for the validation of numerical codes for the analysis and simulation of the magnetofluid dynamics in hypersonic flows. In these experiments, the flow was obtained in the High-Enthalpy Arc-heated hypersonic wind Tunnel of Alta, Pisa, Italy. Speeds at Mach 6 were reached. In this experiment, the flow and plasma characteristics have been determined. The MHD interaction was obtained in the shock layer of a conical test body placed at the exit of the hypersonic nozzle. The realized electrical configuration allowed the enhancement of the effect of the MHD interaction on the plasma parameters. This was done by utilizing the Hall field to generate the MHD interaction and by short-circuiting the Faraday current inside the plasma of the shock layer. The magnetic-flux density was produced by an array of three magnets located in the test body. Test runs were performed at three different stagnation pressures. Fluid-dynamic, electrical, and optical observations have been done. The experiment showed a large effect of the MHD interaction on the values of the measured quantities. In order to have a test body that is entirely contained in the region where a uniform hypersonic flow has been measured, a test body of smaller size has been constructed and tested. The results obtained in this case confirm the results of the tests with the larger body.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	530
Ending Page	541
Page Count	12
File Size	2097281
File Format	PDF
ISSN	00933813
Volume Number	36
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetohydrodynamics Testing Plasma properties Electric shock Plasma density Argon Databases Magnetic analysis Analytical models Plasma simulation MHD interaction Hypersonic flight control hypersonic flows magnetohydrodynamics
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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