Dcll iter tbm plan and cost summary
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DCLL ITER-TBM Plan and Cost Summary. PbLi Flow Channels. US DCLL TBM and PbLi Loop – Port Cell View. PbLi. He-cooled First Wall. SiC FCI. 484 mm. He. US DCLL TBM – Cutaway Views. 2 mm gap. He. A technical plan for US ITER TBM has already been developed.

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DCLL ITER-TBM Plan and Cost Summary

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Dcll iter tbm plan and cost summary

DCLL ITER-TBM Plan and Cost Summary

PbLi Flow

Channels

US DCLL TBM and PbLi Loop –

Port Cell View

PbLi

He-cooled

First Wall

SiC FCI

484 mm

He

US DCLL TBM –

Cutaway Views

2 mm gap

He


A us tbm technical plan and cost estimate has been developed and reviewed

A technical plan for US ITER TBM has already been developed.

A good cost estimate was generated through the combined efforts of the technical experts from:

Plasma Chamber

Materials,

PFC, and

Safety Programs

Plus ORNL costing & management professionals

An external review by US DOE technical and project experts found the cost and plan “complete and credible”

The costs depend strongly on the level of international collaboration and timing

IF US is “going it alone”, R&D costs are likely to be larger than that given in this estimate.

Some tritium extraction R&D and fabrication delayed till 2nd module

A US TBM Technical Plan and Cost Estimate has been developed and reviewed


Dcll tbm deliverables hardware for 1 st tbm experiments during h h

DCLL TBM Deliverables: Hardware for 1st TBM experiments during H-H

1.6 m

A full size, vertical half-port, DCLL test blanket module

3 m

Primary and secondary DCLL helium coolant flow loops

2 m

A DCLL PbLi coolant flow loop and HXs


Tbm deliverables software and specifications needed for 2 nd tbm and tbm experiment operations

TBM Deliverables: Software and Specifications needed for 2nd TBM and TBM experiment operations

Component specifications sufficient to fabricate the tritium processing systems

  • .

Preliminary T Processing Systems Flow Chart

HCCB thermofluid and DCLL MHD flow

simulations

A verified predictive capability sufficient to design, qualify, operate, and interpret data for the H-H phase TBMs, and to design later D-D and D-T phase TBMs and ancillary systems and diagnostic systems;


Breakdown of dcll tbm program cost estimate by major categories

Breakdown of DCLL TBM Program Cost Estimate by Major Categories


Dcll iter tbm plan and cost summary

R&D tasks must directly contribute to satisfying design, qualification, safety, and operation requirements

TBM R&D tasks have been reviewed based on the minimum necessary to:

  • Form the basis for important design, material, and fabrication decisions

  • address safety issues and reliability risks that must be resolved for qualification of the first TBMs

  • plann operate and analyze US TBM experiments in ITER

    At a minimum, this same R&D will be needed before testing the DCLL in any US FNS device

ITER TBM

Acceptance Requirements

(still being quantitatively defined)

TBMs must not interfere with

ITER operation or safety

Ancillary systems must be licensed as safety grade

TBMs must be DEMO

Relevant


Dcll r d tasks affect a variety of systems

DCLL R&D Tasks affect a variety of systems

1. US ITER Proj.

DCLL R&D tasks vary considerably in cost and scope

1.8 US ITER TBM

1.8.1 DCLL

1.8.1.1 Test Module

1.8.1.4 Tritium Systems

  • Thermofluid MHD

  • SiC FCI Fabrication and Properties

  • SiC/FS/PbLi Compatibility & Chemistry

  • FM Steel Fabrication & Materials Prop.

  • Helium System Subcomponents Tests

  • PbLi/H2O Hydrogen Production

  • Be Joining to FS

  • TBM Diagnostics

  • Partially Integrated Mockups Testing

  • Model Development and Testing

  • Fate of Tritium in PbLi

  • Tritium Extraction from PbLi

  • Tritium Extraction from He

1.8.1.5 Design Integration

  • He and PbLi Pipe Joints

  • VV Plug Bellows Design

  • Chemistry control


Main contributors to dcll r d costs

Main contributors to DCLL R&D Costs

  • RAFS fabrication and Partially-integrated Mockup Testing make up >50% of projected costs

  • FCI development and MHD databaseare also an appreciableportion of total R&D

  • Other smaller activities:diagnostics, helium thermofluid,PbLi compatibility,tritium, etc.

Total $39,964 k

Escalated cost over Period: FY06-FY15Percentages refer to fraction of total DCLL R&D


Dcll tbm development milestones

DCLL TBM Development Milestones

  • Significant up-front R&D on ferritic steel fabrication technologies and simulation code QA

  • Progressive mockups and testing required for qualification

Approve 1st TBMfabrication

Key early design decisions

Approve Prototype Fabrication


International r d efforts can save the us significant time and money

International R&D efforts can save the US significant time and money

  • RAFS Fabrication, Properties, Irradiation database

    • All parties interested in HIP and welding techniques, but some proprietary issues

    • EU and JA programs have considerable investment

  • NDE of RAFS components

    • All parties interested, fewer proprietary issues

  • Be joining to RAFS

    • All parties interested, no research underway

  • PbLi MHD and Heat transfer

    • 3 or 4 Parties interested, Common operational and safety database

  • PbLi/H20 reaction

    • 3 or 4 Parties interested, Common safety database

  • ~ $10M savings assumed in current cost estimate


Extrapolation of dcll tbm costs to fnf testing

Extrapolation of DCLL TBM costs to FNF Testing

  • DCLL TBM Program costs are to deliver the first DCLL module and support systems, So for several modules:

    • the TBM & ancillary equipment cost needs to be multiplied by number of modules (~6-12 modules PER ONE Concept)

    • R&D and Design and Development  costs will increase (but perhaps modestly ) to account for number of modules for the same DCLL to consider variations in: conditions, design, materials, fabrications, etc.

    • Project Cost will increase with number of modules , but < linear

    • Accounting for installation, operation, decommissioning, PIE must be included

  • Each other concept to be tested will have its own R&D, fabrication and project costs, although some synergy is expected in:

    • Test facilities

    • RAFS fabrication technology

    • Diagnostics/PIE facilities


Backup slides

Backup slides


Tbm testing in iter phase i combined with fnf is the most effective development path for fnt

TBM Testing in ITER (Phase I), combined with FNF, is the most effective development path for FNT

  • FNT/Blanket development is critical to fusion

  • A strong base FNT R&D program, together with fusion environment testing is essential

  • ITER is a unique, unparalleled and “real” opportunity to begin stage I fusion break-in and scientific exploration

    • ITER will provide the first, and likely the only, opportunity to explore the fusion environment for many years

  • Low fusion power CTF is required for stage II engineering feasibility, and stage III reliability growth phases of FNT development

  • Even if CTF exists parallel to ITER, you still do TBM in addition to CTF

    • If we do CTF and invest billions to test and develop FNT, this means we are serious. The cost of experiments in ITER is very small and cuts years and huge costs from the required CTF operation

    • TBM tests in ITER will have prototypical Interactions between the FW/Blanket and Plasma, thus complementing tests in CTF (if CTF plasma and environment are not exactly prototypical, e.g. highly driven with different sensitivity to field ripple, low outboard field with different gradients)

    • Testing in any fusion environment will require same R&D, qualification, mockup testing, testing systems, licensing as for ITER TBM, none of this effort for ITER TBM is wasted


Dcll iter tbm plan and cost summary

Summary of TBM Safety & Licensing

  • The Safety and Licensing benefits to US Fusion program are:

    • A licensed-prototypical breeding blanket module that has demonstrated safe and reliable operation in a D-T fusion reactor environment, which would be very valuable in licensing of FNF or DEMO

    • Developed and demonstrated maintenance techniques plus approaches for reducing worker exposure for DEMO relevant blankets

    • R&D on tritium safety and accountancy for future fusion reactors that produce tritium

  • The Safety and Licensing requirements from ITER on TBMs require that

    • TBM Equipment be on site prior to first plasma in ITER for acceptance testing

    • The TBMs and AEUs will be built to the highest standards for any ITER system and should therefore be just as reliable; the best time to demonstrate and improve the TBM reliability is during the non-nuclear phase of ITER operation

    • Concepts that are not covered by ITER’s RPrS will not be licensed with ITER and the PT proposing these concepts will have to deal directly with the French Authorities to license their TBM

    • TBMs will be required to present a minimal risk to ITER safety and operation, or they will not be accepted


Evaluating r d tasks

Evaluating R&D Tasks

  • A system has been established to evaluated R&D tasks

    • E = Essential for the qualification of TBM deliverable and successful execution of the TBM experiments, and no other party is doing it

    • I = Important for the qualification of TBM deliverables and successful execution of the TBM experiment, or Essential but is definitely being done by another party

    • D = Desirable but the risk may be acceptable if not performed

  • R&D subtasks are evaluated separately, if a task includes many subtasks.

  • R&D lower than desirable has already been eliminated


Dcll r d breakdown and evaluation

DCLL R&D Breakdown and Evaluation


Dcll r d breakdown and evaluation cont

DCLL R&D Breakdown and Evaluation (Cont.)


Dcll r d breakdown and evaluation cont1

DCLL R&D Breakdown and Evaluation (Cont.)


Dcll r d breakdown and evaluation cont2

DCLL R&D Breakdown and Evaluation (Cont.)


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