Large Enthalpy Extraction Experiments in a Non-Equilibrium Magneto-Hydrodynamic Generator,
GENERAL ELECTRIC CO PHILADELPHIA PA SPACE DIV
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A measure of the performance of a magnetohydrodynamic MHD generator is the power outheat in enthalpy extraction which must exceed 20 to provide efficient operation in a thermodynamic Brayton, power cycle. For the first time 19.3 enthalpy extraction has been achieved in a supersonic MHD generator operating under non-equilibrium plasma conditions. The power output was 1.82 megawatts. The test gas was cesium seeded neon heated to a temperature of 3520K in a shock tunnel. The MHD channel had an area ratio of six to one and seventy-one pairs of electrodes. The electrodes were at room temperature. Theoretical calculations show that if thermionically emitting electrodes were used, 30 enthalpy extraction could be obtained.
- Electric Power Production and Distribution
- Plasma Physics and Magnetohydrodynamics