A conceptual scheme for electrical power generation from nuclear waste heat using liquid metal magnetohydrodynamic energy converter

A novel conceptual scheme has been proposed for utilizing the nuclear waste for electrical power generation by using a Liquid Metal Magnetohydrodynamic Energy Converter (LMMHDEC). The heat released during interim storage of the vitrified nuclear waste is used for this purpose. Possible modifications...

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Bibliographic Details
Published in:Energy conversion and management 1995, Vol.36 (10), p.975-987
Main Authors: Satyamurthy, P., Thiyagarajan, T.K., Venkatramani, N.
Format: Article
Language:English
Subjects:
Applied sciences
Canister
Cogeneration
Cogeneration plants
Electrial power generation
Electric fields
Electric power generation
Energy
Energy efficiency
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Heat losses
Liquid Metal Magnetohydrodynamics
Magnetohydrodynamic converters
Magnetohydrodynamics
Mathematical models
Mhd generators
Nuclear waste heat
Radioactive wastes
Surface tension
Thermal cycling
Thermodynamic cycle efficiency
Thermodynamics
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Summary:A novel conceptual scheme has been proposed for utilizing the nuclear waste for electrical power generation by using a Liquid Metal Magnetohydrodynamic Energy Converter (LMMHDEC). The heat released during interim storage of the vitrified nuclear waste is used for this purpose. Possible modifications in the canister design for obtaining a higher air outlet temperature have been suggested. The basic design details of the LMMHD gravitational type energy converter is presented, and based on this model, various important parameters of the LMMHDEC system, suitable for coupling to the nuclear waste, are obtained. The gross thermodynamic cycle efficiency varies from 4.9% at a cycle temperature of 450 K to 20.1% at a cycle temperature of 570 K. Detailed engineering and economic studies are yet to be undertaken. However, in view of the minor modifications that are required in the existing canister system, this study suggests that it is possible to generate electrical power from nuclear waste heat using a LMMHDEC.
ISSN:0196-8904
1879-2227
DOI:10.1016/0196-8904(94)00082-B