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Characteristics of a magnetohydrodynamic electrical power generator using convexly divergent channel
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10.1063/1.3311567
/content/aip/journal/jap/107/5/10.1063/1.3311567
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/5/10.1063/1.3311567

Figures

Image of FIG. 1.
FIG. 1.

Illustration of a disk-shaped Hall-type MHD electrical power generator.

Image of FIG. 2.
FIG. 2.

View of a MHD electrical power generator. (a) An entire cross-sectional view and (b) a cross-sectional view focusing on an upper wall geometry, where the wall shapes of concavely divergent, linearly divergent, and convexly divergent channels are shown.

Image of FIG. 3.
FIG. 3.

Numerically obtained streamline map under the typical MHD power-generating condition: (a) concavely divergent channel, (b) linearly divergent channel, and (c) convexly divergent channel.

Image of FIG. 4.
FIG. 4.

The radial (streamwise) profiles of static pressure normalized by total inflow pressure at the seed fractions of (a) and (c) , and Hall potential and Hall electric field strength at the seed fractions of (b) and (d) . A load resistance is . Closed and open circles are obtained under the MHD power generation by using the convexly and linearly divergent channels, respectively. Solid and dashed static pressure curves are obtained in the absence of magnetic flux (0 T) by using the convexly and linearly divergent channels, respectively.

Image of FIG. 5.
FIG. 5.

Hall voltage-Hall current characteristic obtained at the seed fractions of , , and . Closed and open circles are obtained by using the convexly and linearly divergent channels, respectively.

Image of FIG. 6.
FIG. 6.

(a) EER and IE as a function of seed fraction and (b) total pressure ratio as a function of seed fraction. A load resistance is . Closed and open circles are obtained by using the convexly and linearly divergent channels, respectively.

Tables

Generic image for table
Table I.

MHD channel volume and inlet Mach number and inlet flow velocity numerically obtained in the absence of magnetic flux.

Generic image for table
Table II.

Experimental condition.

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/content/aip/journal/jap/107/5/10.1063/1.3311567
2010-03-04
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Characteristics of a magnetohydrodynamic electrical power generator using convexly divergent channel
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/5/10.1063/1.3311567
10.1063/1.3311567
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