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Measurements of properties concerning isentropic efficiency in a nonequilibrium MHD disk generator

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3 Author(s)
H. Nakamura ; Dept. of Energy Sci., Tokyo Inst. of Technol., Yokohama, Japan ; T. Okamura ; S. Shioda

The isentropic efficiency and the effective Hall parameter in a nonequilibrium disk MHD generator have been successfully evaluated on the basis of the experiments under high enthalpy extraction conditions. Special attention is devoted to measuring the exit total pressure and the Faraday current. The maximum isentropic efficiency achieved in the present experiments was 46% with the enthalpy extraction ratio of 31.6%. The experimentally obtained values of the effective Hall parameter covered a range of 2-3

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IEEE Transactions on Plasma Science  (Volume:24 ,  Issue: 3 )