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ELSEVIER Fusion Engineering and Design 27 (1995) 111-153 Engineering

Summary: ELSEVIER Fusion Engineering and Design 27 (1995) 111-153
A volumetric neutron source for fusion nuclear technology
testing and development
Mohamed A. Abdou
Mechanical, Aerospace and Nuclear Engineering Department, University of California Los Angeles, Los Angeles, CA 90024, USA
Research and development (R&D) needs to construct and operate fusion nuclear technology (FNT) components
for DEMO have been investigated. Non-fusion facilities, i.e. non-neutron test stands, fission reactors and accelerator-
based neutron sources, can and should play a role in FNT R&D because of their availability and low cost. However,
none of the FNT critical issues will be resolved by testing in non-fusion facilities because of their serious limitations
on simulating multiple integrated effects of the fusion environment and their lack of adequate test volume. Testing of
FNT components, particularly blankets, in fusion facilities is necessary. The FNT requirements on fusion testing are
a 1-2 MW m 2 neutron wall load, steady state plasma operation, a fluence of greater than 6 MW years m -2 and a
test area greater than 10 m2. Requirements on reliability growth and component engineering development are the
most demanding. Calculations of both expected and tolerable failure rates and reliability growth testing requirements
for the blanket lead to a number of important conclusions: (1) achieving a fluence of about 6 MW years m -2 at the
test modules with about six to 12 test modules per blanket concept is crucial to achieving a DEMO reactor availability


Source: Abdou, Mohamed - Fusion Science and Technology Center, University of California at Los Angeles


Collections: Plasma Physics and Fusion