Micro-engineered first wall tungsten armor for high average power laser fusion energy systems

Sharafat, S.; Ghoniem, Nasr M.; Anderson, Michael W.; Williams, Benjamin S.; Blanchard, Jake; Snead, Lance Lewis

doi:10.1016/j.jnucmat.2005.08.012

Cited by 36 publications

(35 citation statements)

References 27 publications

(40 reference statements)

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“…Two possible engineered tungsten structures have been proposed as armor candidates: a high porosity foam proposed by Ultramet which is described in detail in Ref. [18]; and a nano-sized homogeneous porous region proposed by PPI whose initial thermal performance analysis is summarized in Ref. [7].…”

Section: He Retention Studiesmentioning

confidence: 99%

Progress towards realization of a laser IFE solid wall chamber

Raffray¹,

Blanchard²,

Latkowski³

et al. 2006

Fusion Engineering and Design

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Section: He Retention Studiesmentioning

confidence: 99%

Progress towards realization of a laser IFE solid wall chamber

Raffray¹,

Blanchard²,

Latkowski³

et al. 2006

Fusion Engineering and Design

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“…As a matter of fact, the high helium implantation and retention in the first wall could result in an unacceptable material loss rate [7]. Thus, VPS W-coatings might be advantageous over HIP W-coatings due to its sub-micron porosities that facilitate large helium recycling rates.…”

Section: Discussionmentioning

confidence: 99%

Interface strength measurement of tungsten coatings on F82H substrates

Kim

El‐Awady

Gupta

et al. 2009

Journal of Nuclear Materials

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“…Here the materials that have micro-structure [6] or fine grain can provide a solution, because it could drastically suppress the concentration of helium, resulting in the loss reduction due to the exfoliation. Experimental study showed UFG-W has high resistance to blistering [7] and it is a possible candidate for the first wall armor.…”

Section: If/p7-6mentioning

confidence: 99%

Conceptual design of fast-ignition laser fusion reactor FALCON-D

et al. 2009

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Abstract.A new conceptual design of the laser fusion power plant FALCON-D (Fast ignition Advanced Laser fusion reactor CONcept with a Dry wall chamber) has been proposed. The fast ignition method can achieve the sufficient fusion gain for a commercial operation (~100) with about 10 times smaller fusion yield than the conventional central ignition method. FALCON-D makes full use of this property and aims at designing with a compact dry wall chamber (5~6m radius). 1-D/2-D hydrodynamic simulations showed the possibility of the sufficient gain achievement with a 40 MJ target yield. The design feasibility of the compact dry wall chamber and solid breeder blanket system was shown through the thermomecanical analysis of the dry wall and neutronics analysis of the blanket system. A moderate electric output (~400MWe) can be achieved with a high repetition (30Hz) laser. This dry wall concept not only reduces some difficulties accompanied with a liquid wall but also enables a simple cask maintenance method for the replacement of the blanket system, which can shorten the maintenance time. The basic idea of the maintenance method for the final optics system has also been proposed. Some critical R&D issues required for this design are also discussed.

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Micro-engineered first wall tungsten armor for high average power laser fusion energy systems

Cited by 36 publications

References 27 publications

Progress towards realization of a laser IFE solid wall chamber

Progress towards realization of a laser IFE solid wall chamber

Interface strength measurement of tungsten coatings on F82H substrates

Conceptual design of fast-ignition laser fusion reactor FALCON-D

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