Abstract
In this study, a Faraday type MagnetoHydroDynamic (MHD) generator is studied to consider the effect of electrical characteristics to the thermal efficiency. The generator performance is specified by optimizing the cycle efficiency with respect to the load parameter and by optimizing output power density with respect to seed fraction and operating pressure. As the calculation results, the value of load parameter, which maximizes the thermodynamic efficiency, is independent of the regenerator efficiency, but dependent on Mach number and the compressor efficiency. It can also be seen that there is no need for a high entrance Mach number more than 5 because the increases in thermal efficiency are insignificant.
Highlights
MagnetoHydroDynamic (MHD) generator is efficiency, is independent of the studied to consider the effect of electrical regenerator efficiency, but dependent on characteristics to the thermal efficiency
No attempt has been made to consider the effect of electrical characteristics such as load parameter, electrical conductivity of MHD generator for a specified generator operating under conditions appropriate for maximizing the thermal efficiency
This value is independent of the regenerator efficiency, but dependent on Mach number, and the compressor efficiency
Summary
Techniques of Magnetohydrodynamic (MHD) power generation are being studied with increasing interest for the development of high temperature materials and high field strength magnets progresses. In this study a constant area linear duct with with liquids, vapors, and mixtures of these two segmented electrodes operating as a Faraday as proposed working fluids [1,2,3,4]. Some of these type MHD generator is studied to consider the studies may be used in a Brayton cycle where effect of electrical characteristics to the thermal the working fluid is an alkali metal vapor seeded efficiency. The comparison between different seeded noble gas working fluids will be examined for the optimum conditions to be obtained
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