| Abstract: | The feasibility of improving the performance of a disk CCMHD generator by means of an electromagnetic diffuser is investigated by a two‐dimensional numerical simulation which provides information on the development of the boundary layer. The Mach number at the exit of the electromagnetic diffuser can be controlled by a load resistance between electrodes provided in the diffuser. The total enthalpy extraction ratio and the adiabatic efficiency can be improved by optimizing the load resistance, because an additional power output can be obtained in the electromagnetic diffuser without a change in the total pressure at the exit. © 2000 Scripta Technica, Electr Eng Jpn, 133(3): 26–34, 2000 |
