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Director’s Review of the Fermilab High Field Superconducting Magnet Program. Summary: program plan, resources, management. A. Zlobin for the HFM group 1 February 2006. Outlines. Program goals 2009 milestones Present Status and what has to be done Risks elements Management Plan Budget

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Summary program plan resources management

Director’s Review of the Fermilab High Field Superconducting Magnet Program

Summary: program plan, resources, management

A. Zlobin for the HFM group

1 February 2006


Outlines

Outlines

  • Program goals

  • 2009 milestones

  • Present Status and what has to be done

  • Risks elements

  • Management

  • Plan

  • Budget

  • Conclusions

Summary: program plan, resources, management


Present program goals

Present Program Goals

  • The main mission of Fermilab SC magnet R&D program is the development of next generation SCacceleratormagnets with operating fields above 10 T at 4.5 K and large operation margin.

  • The development of high-performance IR quadrupoles, based on Nb3Sn technology, for LHC Luminosity upgrade performed by USLHC Accelerator Research Program (LARP) perfectly fits this mission.

  • To develop and produce second generation IR quadrupoles for the new high luminosity LHC IRs (as part of LARP) is the goal of Fermilab High Field Magnet Program.

Summary: program plan, resources, management


What has to be done

What Has To Be Done

By the end of FY2009 LARP Magnet R&D Program has to reach the following results:

  • demonstration of Nb3Sn IRQ technology and parameter reproducibility

    • 1-m long technology quads (TQ):

      • Gmax~230T/m

      • 90 mm aperture

  • technology scale up demonstration

    • 4-m long racetracks (LR)

    • 4-m long quads with TQ cross-section (LQ)

  • development and test of 1-m long high gradient quadrupole models

    • Bmax~15 T (Gmax up to 300 T/m)

    • 90 mm or larger aperture

  • Summary: program plan, resources, management


    Risk elements

    Risk Elements

    LARP Magnet R&D is very ambitious program which consists of substantial risk elements:

    • Technical risks

      • challenging magnet parameters – Bmax=15 T, 90 mm or larger aperture, accelerator field quality, large operation margin and life-time in extremely high radiation environment

      • delicate stress/strain sensitive superconductor – properties are in the process of study and optimization

      • new complicate magnet technology – was never demonstrated before on full-scale accelerator magnets

    • Programmatic risks

      • Limited R&D time – only 5 years for short model R&D and technology scale up (it took 4-5 years at Fermilab to perform the LHC IRQ short model R&D and test long prototype based on traditional NbTi technology)

      • Limited program budget

    Summary: program plan, resources, management


    Present status magnet r d

    Present Status: Magnet R&D

    • Created excellent magnet development and test infrastructure and formed strong magnet R&D group

    • Demonstrated 10 T field and accelerator field quality in several Nb3Sn models

    • Demonstrated reproducibility of main magnet parameters (quench performance and field quality)

    • Developed sound cost-effective magnet design and fabrication technology suitable for industrialization and technology scale up

    • Achieved quite high Nb3Sn model production and test rate (~3 magnets/year) important for successful magnet R&D program

    • Developed technological quadrupole design (TQC) and started LARP model magnet R&D in collaboration with LBNL and BNL

    Summary: program plan, resources, management


    Present status material r d

    Present Status: Material R&D

    • Developed excellent Superconducting Materials R&D infrastructure and formed strong material group

    • Demonstrated that all state-of-the-art Nb3Sn conductors have a defined stability limit that can affect magnet performance

      • Created a theoretical model to analyze this instability behavior and experimentally verified it

      • Developed criteria for conductor parameters to avoid/minimize instability problem in magnet

    • Performed systematic cabling degradation studies and minimized Ic degradation of strand by improving their properties, cabling parameters and process

    • Performed systematic studies and determined stress limits for different Nb3Sn strands and magnet designs

    Summary: program plan, resources, management


    Steps towards larp goals

    Steps Towards LARP Goals

    Results achieved by Fermilab HFM Program provide a solid base for the LARP Magnet R&D.

    Things to be done to be able reaching LARP goals:

    • Conductor stability improvement

      • focus on RRP process (OST)

      • collaboration with DOE Conductor Development Program and industry

    • Reaching a field level of ~15 T

    • Preparation Fermilab infrastructure for Nb3Sn technology scale up

    Summary: program plan, resources, management


    Risks mitigation

    Risks & Mitigation

    The program risks are high.

    Fermilab has clear plan to mitigate the program risks based on

    • Core program technical achievements

    • Core program support of LARP

    • Coordinated LARP/Core program R&D plan

  • Programmatic

    • Limited time: coordinated R&D program, effective LARP/Labs interfaces

    • Limited budget: substantial core program support

  • Summary: program plan, resources, management


    Technical risk mitigation

    Technical Risk Mitigation

    • Conductor: aggressive SC R&D program, improvement of strand stability with CDP and LARP Material group, focus on RRP strand but continue search and support of alternative strands, use proven tools (such as dipole coils and mirror) to address efficiently technical issues, extracted strand test to control cable parameters and predict magnet limits

    • Technology: use of ceramic binder in coil fabrication process, parameter control during coil reacting, coil handling

    • Magnet mechanics: use 2D and 3D mechanical analysis and mechanical models to determine optimal coil prestress and procedures

    • Magnet performance parameters: comprehensive model testing

    Summary: program plan, resources, management


    Hfm larp coordination

    HFM/LARP Coordination

    • To unsure a good coordination of LARP Magnet R&D and core HFM program the core program has an interface which matches LARP L2 structure

    Summary: program plan, resources, management


    Larp and core program wbs

    LARP and Core Program WBS

    • Core program tasks in support of LARP Magnet R&D are aligned with LARP L2 directions

    • Core program tasks will be coordinated with LARP Magnet Steering Committee

    • Fermilab HFM-LARP Magnet R&D coordinators supervise and coordinate LARP Tasks and Core Program Tasks in support of LARP (working with LARP L2 Coordinators and Task Leaders)

    Summary: program plan, resources, management


    Design studies in fy06 07

    Design Studies in FY06-07

    • LARP tasks

      • conceptual design studies of High gradient Quad (HQ)

      • design studies of Long Quad (LQ) for scale up

      • Design studies of IR magnets

      • Radiation studies

      • Cryogenics and heat transfer analysis

    • Core program tasks

      • Core program contributes and partially funds the HQ, LQ, and IR magnet studies

    Summary: program plan, resources, management


    Model magnet r d in fy06 07

    Model Magnet R&D in FY06-07

    • LARP tasks:

      • TQS short models: TQS01, TQS02, TQS03 – FNAL support

      • TQC short models: TQC01, TQC02, TQC03 – FNAL lead

        • Fermilab is involved in the design, fabrication and test of TQS models and lead TQC development and test

      • All this tasks are funded by LARP

    • Core program tasks

      • fabrication and test additional TQC model to test mechanical structure and conductor

      • development and test of TQ models with the final design before the scale up (LQ) in case of insufficient LARP budget

        • Increase probability of LARP success

    Summary: program plan, resources, management


    Supporting r d in fy06 07

    Supporting R&D in FY06-07

    • LARP tasks

      • Studies using Small Quadrupole models (SQ)

        • Fermilab is involved in model testing at 1.9 K

      • Technology scale up using long racetrack models

        • Fermilab contributes to technology development at BNL (with LBNL)

    • Core program task

      • Technology scale up using dipole mirror design

        • prepare Fermilab’s infrastructure and develop expertise of 4m Nb3Sn magnet fabrication and test

        • Increase probability of LARP success

    Summary: program plan, resources, management


    Material r d in fy06 07

    Material R&D in FY06-07

    • LARP tasks

      • Strand R&D

      • Cable R&D

      • Conductor procurement

      • Fermilab is involved in strand and cable characterization for different models, strand and cable specs development

    • Core program tasks

      • Support the strand and cable characterization activities for different models and material development

      • Develop second cable fabrication line and cables in support of LARP magnet R&D

        • reduce LARP risks

      • Test strand, cable and new insulation materials using Fermilab small racetrack coils (SR) and dipole mirrors (HFDM)

        • efficient way of material testing in magnet environment

    Summary: program plan, resources, management


    Program tasks in fy08 09

    Program Tasks in FY08-09

    The FY08-09 tasks are less determined except for the HQ and LQ R&D. The final list of tasks and distribution of responsibilities will be determined based on LARP priorities and budget

    • Design Studies:

      • IRQ prototype with an optimal aperture and field gradient

      • LHC IR performance analysis and new IR design (with CERN and AP group)

    • Model magnet R&D:

      • Continue TQX model series to study quench performance and field quality reproducibility

      • HQ series: share work with our collaborators in one design will be chosen or take responsibility for one of the chosen approaches

      • LQ01 and LQ02 development and test

    • Supporting R&D

      • Contribute to radiation material studies (analysis, model testing)

    • Material development

      • continue conductor development and characterization in support of magnet R&D

    Summary: program plan, resources, management


    Program schedule

    Program Schedule

    Coordinates LARP and core program tasks schedule.

    Fermilab Core program

    Short models

    Technology scale up

    Summary: program plan, resources, management


    Budget projection

    Budget Projection

    Actual or budgeted

    Projected

    Preserving present of Core Program budget on the level of ~2,700-3,000k$/year and present LARP Magnet R&D budget will allow reaching LARP short term goals.

    Summary: program plan, resources, management


    Fte projection

    FTE Projection

    Actual or budgeted

    Projected

    Available Magnet R&D staff ~27-28 FTEs is sufficient to support coordinated LARP/Core Program Magnet R&D

    Summary: program plan, resources, management


    What this plan accomplishes

    What This Plan Accomplishes

    • By 2009 we will have accomplished all of the LARP goals

      • IRQ technology and its reproducibility will be demonstrated using TQ models and dipole coils

      • Nb3Sn technology scale up will be performed using 2 long racetrack coils (LR), 2-3 long mirrors (LM) and 2 long technology quadrupoles (LQ)

      • High gradient quadrupole model with ultimate field of 15 T will be developed, fabricated and tested

      • materials specifications for Nb3Sn IRQ will be formulated

    • All of this with the current LARP budget profile and approximately the same level of funding as our present core program

    Summary: program plan, resources, management


    Charge questions i

    Charge Questions-I

    • Are program goals adequately defined?

      • Our goal is to develop and produce second generation IR quadrupoles for the new high luminosity LHC IRs. This is an important part of the U.S. HEP program at the LHC that will strengthen the LHC HEP experiments and U.S. accelerator physics capability.

    • Are program goals matched to the expectations of the LARP?

      • The Fermilab program is well integrated with LARP Magnet R&D program:

        • Highest priority is to complete LARP assigned tasks using a combination of LARP funds and core program support

        • Resources permitting, the HFM Program will complement LARP activities with additional tasks that offer parallel paths to achieving the LARP goals

          • Use of dipole coil mirror to start R&D on long coils (complements the Long Racetrack coils)

        • HFM Program managers hold key management positions in the LARP program and so coordination and communication of LARP expectations is well integrated into our plans

    Summary: program plan, resources, management


    Charge questions ii

    Charge Questions-II

    • Has the program correctly identified the critical technology issues that must be resolved to support these goals?

      • The most critical technology issues are high-performance Nb3Sn superconductor and magnet technology reproducible and compatible with scale up and industrialization:

        • Identifying and verifying stable SC strand with sufficient Jc to build long Nb3Sn magnets - Addressed by LARP Materials Group

        • Choosing a cable design and mechanical support structure that matches the design loads without incurring higher than necessary strain - Addressed by LARP Model Magnet Group

        • Exploring and understanding the complications associated with long magnet production - Addressed by the LARP Supporting R&D Group

    Summary: program plan, resources, management


    Charge questions iii

    Charge Questions-III

    • Is the program approach likely to be effective in supporting the program goals?

      • Fermilab has developed world class magnet R&D infrastructure and team to perform successful short and long SC accelerator magnet R&D.

      • We have developed an effective integrated approach to address complex problems related to Nb3Sn magnets. HFM Program approach has already proven successful in advancing the field’s capability in Nb3Sn magnet technology and supporting LARP goals.

      • We have established good connections with our LARP collaborators, other magnet groups, universities and industry working in this field. Collaborative nature by which the first LARP magnets are being fabricated indicates that the HFM Program is fully engaged in LARP.

    Summary: program plan, resources, management


    Charge questions iv

    Charge Questions-IV

    • Does the dipole program provide a sufficient basis for embarking on the quadrupole development in support of LARP?

      • Dipole coils and mirror configuration are robust and cost effective tools to address generic issues related to conductor and material performance, and Nb3Sn technology scale up.

    • Is the materials development program well targeted to support the program goals?

      • Fermilab has strong Materials R&D group and infrastructure. We focus on key conductor issues that determine magnet performance. The Fermilab material program, infrastructure and group are well integrated with LARP Materials R&D efforts.

    Summary: program plan, resources, management


    Charge questions v

    Charge Questions-V

    • Are resource requirements (funding and labor) understood and deemed adequate to meet program goals?

      • Resource and budget profiles for the HFM Program have been presented and reflect the commitment to the LARP Program. LARP is in the process of implementing a Resource Loaded Schedule for the magnet program

    • As foreseen, is the program likely to support meeting the LARP technical and schedule goals?

      • Presented coordinated program is well aligned with LARP technical efforts and schedule. The Fermilab program, if approved and adequately funded, will lead to meeting LARP 2009 technical goals.

      • LARP is an R&D Program NOT a Project => Implies element of risk involved

        • Risk is handled by planning for two demonstration magnets for each LARP goal

        • Parallel efforts supported by core program will help to mitigate program risks

          Fermilab HFM Program is fully engaged in support of LARP

    Summary: program plan, resources, management


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