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Author(s):
S. Yamaguchi, A. Iiyoshi, O. Motojima, M. Okamoto, S. Sudo, M. Ohnishi, M. Onozuka, C. Uenosono
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Title:
Direct Energy Conversion of Radiation Energy in Fusion Reactor
Date of publication:
Nov. 1993
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Key words:
thermoelectric effect, Nernst effect, fusion reactor, thermoelectric element, Nernst element, direct energy conversion
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Abstract:
Direct energy conversion from plasma heat flux has been studied. Since major parts of fusion energy in the advanced fusion reactor are radiation and charged particle energies, the flexible design of the blanket is possible. We discuss the potentiality of the thermoelectric element that generates electricity by temperature gradient in conductors. A strong magnetic field is used to confine the fusion plasma, therefore, it is appropriate to consider the effect of the magnetic field. We propose a new element which is called Nernst element. The new element needs the magnetic field and the temperature gradient. We compare the efficiency of these two elements in a semiconductor model. Finally, a direct energy conversion are mentioned.
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