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Energies 2016, 9(8), 632; doi:10.3390/en9080632

TBM/MTM for HTS-FNSF: An Innovative Testing Strategy to Qualify/Validate Fusion Technologies for U.S. DEMO

1
Department of Engineering Physics, University of Wisconsin-Madison, 1500 Engineering Drive, Madison, WI 53706, USA
2
Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA
3
Princeton Plasma Physics Laboratory, 100 Stellarator Road, Princeton, NJ 08540, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Matthew Hole
Received: 29 April 2016 / Revised: 13 July 2016 / Accepted: 27 July 2016 / Published: 11 August 2016
(This article belongs to the Special Issue Fusion Power)
View Full-Text   |   Download PDF [2485 KB, uploaded 11 August 2016]   |  

Abstract

The qualification and validation of nuclear technologies are daunting tasks for fusion demonstration (DEMO) and power plants. This is particularly true for advanced designs that involve harsh radiation environment with 14 MeV neutrons and high-temperature operating regimes. This paper outlines the unique qualification and validation processes developed in the U.S., offering the only access to the complete fusion environment, focusing on the most prominent U.S. blanket concept (the dual cooled PbLi (DCLL)) along with testing new generations of structural and functional materials in dedicated test modules. The venue for such activities is the proposed Fusion Nuclear Science Facility (FNSF), which is viewed as an essential element of the U.S. fusion roadmap. A staged blanket testing strategy has been developed to test and enhance the DCLL blanket performance during each phase of FNSF D-T operation. A materials testing module (MTM) is critically important to include in the FNSF as well to test a broad range of specimens of future, more advanced generations of materials in a relevant fusion environment. The most important attributes for MTM are the relevant He/dpa ratio (10–15) and the much larger specimen volumes compared to the 10–500 mL range available in the International Fusion Materials Irradiation Facility (IFMIF) and European DEMO-Oriented Neutron Source (DONES). View Full-Text
Keywords: testing strategy; testing blanket module; materials testing module; fusion nuclear testing facility; spherical tokamak; high temperature superconducting magnets testing strategy; testing blanket module; materials testing module; fusion nuclear testing facility; spherical tokamak; high temperature superconducting magnets
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

El-Guebaly, L.; Rowcliffe, A.; Menard, J.; Brown, T. TBM/MTM for HTS-FNSF: An Innovative Testing Strategy to Qualify/Validate Fusion Technologies for U.S. DEMO. Energies 2016, 9, 632.

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