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(a) Hall parameter as a function of electron temperature . (b) Electrical efficiency as a function of loading parameter . (c) Characteristic frequencies of the MHD power-generating plasma. The growth rate of ETW is calculated by linear perturbation analysis.
Front and cross-sectional views of rf-assisted generator. The calculated contour map of the rf electric field strength is illustrated.
Radial (streamwise) distributions of (a) magnetic flux density , (b) static pressure , and (c) Hall potential . The MHD channel load resistance is . Left-hand side: experimental result. Right-hand side: numerical result.
Time variations of (a) inflow total pressure, (b) rf power, (c) intensity of Cs radiation upstream , (d) intensity of Cs radiation midstream , and (e) power output. Left-hand side: no-rf-assistance case. Right-hand side: rf-power-assisted case.
Power output as a function of load resistance. : with rf-power assistance. : without rf power.
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