ARIES Program
Public Information Site

ARIES Documents -- Meetings Archive

ARIES Conference Call, 1 April 2008

Documented by L. Waganer

(ANL) -
(Boeing) Waganer, Weaver
(DOE) -
(FPA) -
(FZK) -
(GA) Turnbull
(MIT) Bromberg
(PPPL) Meade
(UCSD) Dragojlovic, Najmabadi, Tillack
(UW) El-Guebaly


The next ARIES meeting will be held at the University of Wisconsin, Madison, on Wednesday (full day) and half a day on Thursday, May 28-29, 2008. Laila El-Guebaly has already made arrangements for a group rate at the Double Tree hotel. She has set up a website for the meeting and has a tentative agenda. You can upload your presentation and it will be available through the website. She has also arranged for the large conference room, but there is no speaker phone in that room. If a speaker phone is necessary, let Laila know your need and she may have to find another room.

The next conference call will be on Tuesday, May 6th at 9:00 PDT

Report on ARIES briefing of OFES staff

Farrokh Najmabadi briefed the OFES staff in Germantown DOE on 13 March 2008. He was supported by Mark Tillack, Dale Meade, and Les Waganer. Farrokh briefed OFES on the progress of the ARIES Pathways program and how ARIES might help with ongoing efforts to plan for needed R&D programs to bridge between ITER and a future US fusion Demo program. The OFES staff was very intrigued with the Technology Readiness Level methodology and how it could be applied to fusion science programs and the post-ITER development in particular. Al Opdenaker was very interested. Les Waganer offered his experience with TRLs and how they have been used in the aerospace industry, both in the military and the commercial new technologies.

There will be at least an additional panel to help identify and guide the fusion alternate concepts development. Dale Meade said that David Hill of GA (Deputy Head of DIII-D) will be the Chair of the panel. Dale and several other members of the prior panel will also serve on this new panel. Dale offered to brief David Hill on the advantages of using the TRL methodology. If interested, Farrokh can provide David Hill or the Panel further information.

Les Waganer mentioned that Al Opdenaker has contacted him to see about securing a senior Boeing person to address an upcoming FESAC meeting and convey the benefits of the TRL methodology. Les suggested the just retired President of the Boeing Phantom Works, which is the R&D division of The Boeing Company, serving both the military and the commercial divisions. He and Tom Weaver are trying to get his services.

Status of the ARIES-Pathways Study

Leslie Bromberg said he has been working on the magnet system technical readiness level definitions and hopes to have them completed by the middle of April. He also has been working with Zoran Dragojlovic on finalizing and documenting the magnet system cost algorithms.

Zoran Dragojlovic had been debugging his ASC code to verify and confirm the results of the present code with that of the ARIES-AT version. The code had been documented from ARIES-II-IV and SPPS, but some new algorithms were implemented in ARIES-AT without documentation. Laila is providing support in sorting out the different cost account results and contacting Ron Miller to obtain the latest costing algorithms for ARIES-AT.

Les Waganer has previously presented documentation of the direct cost accounts 20, 21, and a portion of 22 (power core) to the team. This month he has been working to document all the prior work on the indirect cost accounts, the construction cash flow, the interest and escalation during construction, and the annual costs accounts including fixed charge rate, O&M, fuel, and D&D. Les sent out his documentation on these cost accounts on 3/31/2008 to selected members of the ARIES team for review and confirmation. Now he will commence on the remainder of the direct cost accounts.

Laila El-Guebaly has been working with Chuck Kessel on the definition of the neutron source distribution and to refine ARIES-RS radial builds. She is working on integrating the dual-cooled blanket into the ARIES-RS scheme, possibly with 20 cm thick inboard manifolds. Paul Wilson is adapting his 3-D neutron source model to apply to the ARIES tokamak design concepts to generate the neutron wall loading profile. It was clarified that the 3-D model refers only to the 3-D first wall, not into the depth of the blanket. Laila said many people are very interested in using 1-2 mm tungsten as a complete first wall covering to enhance the plasma performance, but it required 10-20 tons of tungsten to cover the first wall. Farrokh wanted to have a more documented need for the use of a tungsten first wall on a commercial power plant. There may be a justifiable physics need for tungsten on an experimental machine, such as ITER, but maybe not so on a power plant. Laila agreed to solicit and document the rationale behind the requests.

Dale Meade reported that he has been working on developing the TRL definitions for the Plasma Control. He had presented some preliminary TRL definitions at the March meeting but he wanted to combine all the burning plasma developments in one area. He spoke more about the new alternative concepts FESAC panel and how our work would benefit the panel and the workshops.