MHD Considerations for a Self-Cooled Liquid Lithium Blanket

Sze, D.K.; Mattas, R.F.; Hull, A.B.; Picologlou, B.F.; Smith, D.L.

doi:10.13182/fst92-a30030

Cited by 20 publications

(5 citation statements)

References 7 publications

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“…In a liquid metal cooled concept an electrically insulating coating is required on the surface of coolant channels/ducts in which the¯ow direction is perpendicular to the magnetic ®eld to reduce large pressure drops associated with magnetohydrodynamic (MHD) forces [44,45]. The coating must be chemically compatible with the vanadium alloy and with the lithium coolant at reactor operating temperatures and for blanket lifetimes.…”

Section: Vanadium Alloysmentioning

confidence: 99%

The challenge of developing structural materials for fusion power systems

Bloom¹

1998

Journal of Nuclear Materials

199

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Nuclear fusion can be one of the most attractive sources of energy from the viewpoint of safety and minimal environmental impact. Central in the goal of designing a safe, environmentally benign, and economically competitive fusion power system is the requirement for high performance, low activation materials. The general performance requirements for such materials have been de®ned and it is clear that materials developed for other applications (e.g. aerospace, nuclear ®ssion, fossil energy systems) will not fully meet the needs of fusion. Advanced materials, with composition and microstructure tailored to yield properties that will satisfy the speci®c requirements of fusion must be developed. The international fusion programs have made signi®cant progress towards this goal. Compositional requirements for low activation lead to a focus of development e orts on silicon carbide composites, vanadium alloys, and advanced martensitic steels as candidate structural material systems. Control of impurities will be critically important in actually achieving low activation but this appears possible. Neutron irradiation produces signi®cant changes in the mechanical and physical properties of each of these material systems raising feasibility questions and design limitations. A focus of the research and development e ort is to understand these e ects, and through the development of speci®c compositions and microstructures, produce materials with improved and adequate performance. Other areas of research that are synergistic with the development of radiation resistant materials include fabrication, joining technology, chemical compatibility with coolants and tritium breeders and speci®c questions relating to the unique characteristics of a given material (e.g. coatings to reduce gas permeation in SiC composites) or design concept (e.g. electrical insulator coatings for liquid metal concepts). Ó

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Section: Vanadium Alloysmentioning

confidence: 99%

The challenge of developing structural materials for fusion power systems

Bloom¹

1998

Journal of Nuclear Materials

199

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“…From Fig. 4, the MHD flow pressure gradient mainly depends on the ratio of the insulating coating resistance to the Hartmann layer resistance k ¼ q i t i =2bMq [10].…”

Section: Insulating Coating Considerationsmentioning

confidence: 99%

Influence of blanket structural materials on liquid metal Pb–17Li flow in the FDS

Wang

et al. 2004

Journal of Nuclear Materials

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“…The quotient between the induced voltage E and the flowing current I describes the internal resistance in the liquid metal In a first approximation the leakage resistance is given by the resistance of the coatings on the two side walls [3] Pi…”

Section: Requirements On the Electrical Resistance Of Coatingsmentioning

confidence: 99%

Development of insulating coatings for liquid metal blankets

Malang¹

1995

Fusion Engineering and Design

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MHD Considerations for a Self-Cooled Liquid Lithium Blanket

Abstract: _ "_ _ 0 g '_ ._ ,_0 _ [The submitted manu.ript has been authored m O " =' "_ _'_(_ O _ g==_ "_ _r_'_ _.

Cited by 20 publications

References 7 publications

The challenge of developing structural materials for fusion power systems

The challenge of developing structural materials for fusion power systems

Influence of blanket structural materials on liquid metal Pb–17Li flow in the FDS

Development of insulating coatings for liquid metal blankets

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MHD Considerations for a Self-Cooled Liquid Lithium Blanket

Abstract: _ "_ _ 0 g '_ ._ ,_0 _ [The submitted manu.ript has been authored m O " *=' "_ _'_(_ O _ g==_ "_ _r_'_ *_.

Cited by 20 publications

References 7 publications

The challenge of developing structural materials for fusion power systems

The challenge of developing structural materials for fusion power systems

Influence of blanket structural materials on liquid metal Pb–17Li flow in the FDS

Development of insulating coatings for liquid metal blankets

Contact Info

Product

Resources

About

Abstract: _ "_ _ 0 g '_ ._ ,_0 _ [The submitted manu.ript has been authored m O " =' "_ _'_(_ O _ g==_ "_ _r_'_ _.