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Developing a VendorBase for FusionCommercialization
Stan Milora, Director
Fusion Energy Division
Virtual Laboratory of TechnologyMartin Peng
Fusion Energy Division
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Relationship of Initiatives to Gaps (2007 FESAC Greenwald Panel)
-------- Fusion Nuclear S&T ----------------- Plasma Control S&T ---------
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Ed Synakowski, Associate Director
Office of Fusion Energy Sciences
February 28, 2012
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US Industry is designing and building major ITERcomponents, led by ORNL, PPPL and SRNL
Cooling, Diagnostics, Plasma Heating, Fueling and Exhaust Systems (Tritium),Electrical Network, S/C Magnets
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5 Managed by UT-Battellefor the U.S. Department of Energy Juergen Rapp, Presentation to DOE, December 8th 2011
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Challenge: particle fluxes and fluence
JET ITER Fusion Reactor
50 x higher ion fluxes
5000 x higher ion fluence
106 x higher neutron fluence (~1dpa)
up to 5 x higher ion fluence
100 x higher neutron fluence (~150 dpa)
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Tritium breeding and power extractioncomponents volumetrically absorb 80 % of thefusion energy release via nuclear materialsinteractions.
ITER dual cooled lead
lithium (DCLL) tritium
breeding test blanketconcept
PbLi out
He out
He in
PbLi in
Be
first
wall
Reduced Activation
Ferritic/Martensitic
Steel(RAFM) structure
Depth in DCLL TBM(cm)Nuclear/materials interaction
in RAFM
Pow
erDensity(W/cm3)
High temperature creep, thermomechanical and magnetic
stresses, corrosion Thermo fluid flow and conducting
fluid flow across magnetic fields
Tritium production, release,extraction and control
Hardening, loss of ductilityand fracture toughness,
thermal conductivitydegradation
Void swelling, heliumembrittlement
Activation
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oC oC
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Example:Fusion Nuclear
Sciences FacilityCompact volumeneutron source
Develop experimentaldatabase for all fusionreactor internals and,in parallel with ITER,
provide basis for DEMO
Fusion nuclear S&T in the ITER era
Nuclear effects
Plasma effects
HFIR:Fissionneutronspectrum
SNS:Spallationneutronspectrum
OLCF:Theoryandmultiscalemodeling
NSTX:Boundaryphysicsresearch
Highintensity
plasmamaterialsteststation
Internationalcollaboration
Engaging Office of Science facilities and programs, complemented bycritical new fusion facilities and international collaboration
PMTS
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Fusion Energy Sciences Program Strategy: Plasma Control Science
(ITER) and Integrated Fusion Nuclear Science
U.S. ITER Project engaging Industry, Universities and National Labs
Next critical R&D opportunities: materials and internals encountering
fusion particle fluxes and fluences
Examples: from lab science to industry to energy commercialization
Fusion nuclear S&T in the ITER era: to engage Office of Science
facilities and programs, and be complemented by critical new facilitiesand international collaboration
Developing a vendor base for fusioncommercialization