NDLI: Numerical simulation of plasma and fluid flow in a shock-tube-driven disk MHD generator

Content Provider	IEEE Xplore Digital Library
Author	Shimizu, K. Okuno, Y. Yamasaki, H. Kabashima, S.
Copyright Year	1973
Abstract	Three-dimensional numerical simulations have been carried out in order to explain the experimental results with a shock-tube-driven disk magnetohydrodynamics (MHD) generator with inlet swirl for the first time. The numerical results agree well with the experimental results especially in the enthalpy extraction ratio. The isentropic efficiency obtained numerically is higher than that in the experiment, for seed fractions lower than the optimum value. There may exist some additional mechanism causing a total pressure loss which cannot be, included in the present numerical model. The radial component of Mach number becomes less than unity for high seed fractions. This decrease in Mach number is not so steep but moderate, and seems to be different from that attributed to a shock wave observed in a fluid flow without MHD interaction. The plasma structure is almost uniform in the /spl theta/ direction near the optimum conditions. Under the condition far from the optimum value, however, a nonuniform and unsteady plasma structure owing to the partial ionization of seed material is observed.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	1706
Ending Page	1712
Page Count	7
File Size	144271
File Format	PDF
ISSN	00933813
Volume Number	28
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Numerical simulation Plasma simulation Fluid flow Magnetohydrodynamic power generation Plasma properties Plasma materials processing Power generation Computational modeling Plasma waves Ionization
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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