Ultra-low cost coil fabrication approach for ARIES-ST

Waganer, Lester M.; Deuser, D. A.; Slattery, Kevin; Wille, G.W.; Arcella, F. G.; Cleveland, B. T.

doi:10.1016/s0920-3796(02)00310-1

Cited by 6 publications

(6 citation statements)

References 9 publications

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“…Titanium aircraft parts have been manufactured by laser forming process. Fatigue tests of these components show values comparable to high end of traditional cast titanium and the low end of wrought titanium [15]. It is anticipated that copper could be laser fabricated and exhibit properties slightly less than wrought material.…”

Section: Laser or Plasma Arc Formingmentioning

confidence: 85%

“…We have investigated two advanced fabrication techniques that can eventually lead to dramatic reduction in the cost of the TF coils for ARIES-ST [15].…”

Section: Centerpost Fabricationmentioning

confidence: 99%

“…Due to the relatively simple geometry of the outer TF shell, another fabrication technique, spray casting, has been proposed to speed up the process. Spray casting of a molten metal involves holding the metal just above the melting point temperature, atomizing it, and spraying it onto a preform structure [15]. This process is currently under evaluation and development for manufacturing large components.…”

Section: Spray Castingmentioning

confidence: 99%

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Spherical torus concept as power plants—the ARIES-ST study

Najmabadi

2003

Fusion Engineering and Design

124

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Section: Laser or Plasma Arc Formingmentioning

confidence: 85%

“…We have investigated two advanced fabrication techniques that can eventually lead to dramatic reduction in the cost of the TF coils for ARIES-ST [15].…”

Section: Centerpost Fabricationmentioning

confidence: 99%

Section: Spray Castingmentioning

confidence: 99%

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Spherical torus concept as power plants—the ARIES-ST study

Najmabadi

2003

Fusion Engineering and Design

124

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“…The cost of the magnet systems has traditionally been a large element in the overall capital cost. For ARIES-ST, a study of low cost fabrication options for the TF system was performed by the Boeing Company with support from the AeroMet Corporation [6]. Two low cost fabrication methods were identified */laser forming for the centerpost and spray casting for the TF outer shell.…”

Section: Fabricabilitymentioning

confidence: 99%

The toroidal field coil design for ARIES-ST

Reiersen

Dahlgren

Fan

et al. 2003

Fusion Engineering and Design

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An evolutionary process was used to develop the toroidal field (TF) coil design for the ARIES-spherical torus (ST). Design considerations included fabricability, assembly, maintenance, energy efficiency, and structural robustness. Design options were identified early in the process. Trade studies were carried out to identify preferred choices. Design points were re-optimized based on the design choices in the TF and other systems. An attractive design for the ARIES-ST TF coil system evolved. This design addresses a number of the concerns (complexity) and criticisms (high cost, high recirculating power) of fusion. It does this by: applying advanced, but available laser forming and spray casting techniques for manufacturing the TF coil system; adopting a simple single turn TF coil system to make assembly and maintenance much easier. The single turn design avoids the necessity of using the insulation as a structural component of the TF coils, and hence, is much more robust than multi-turn designs; using a high conductivity copper alloy and modest current densities to keep the recirculating power modest. #

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“…An independent review of the ARIES-ST magnet system fabrication methodology by a service industry provider of additive manufacturing solutions was also solicited to evaluate near term feasibility issues [19]. The industry reviewer commented that near term application and cost projections provided in the ARIES-ST report [20] were very optimistic and that if a TF pilot plant system at ~60% size of ARIES-ST were needed in 10-15 years it would require a substantial development program that should be started as soon as possible. Technical issues were also raised regarding the viability of developing integral coolant holes considering the heat and size of the material being added and concern about the final material properties and costing details quoted for developing a spray cast outer return leg shell.…”

Section: Stmentioning

confidence: 99%