Analyses and hydrogen-isotope-transport calculations of current and future designs of the LLL rotating-target neutron source Page: 3 of 19
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rCam
p -Bellows
insulator
Area of oscillation
Beam --/.point
Bearing Tritum Water spreader
Collimator and seal / target
3 ---water catch cage
Cooling water supply
Drain to recirculator
Fig. 1 Sketch of the rotating-target neutron source (RTNS) target
section.
A high-intensity 14-MeV-neutron source is desirable especially for
materials research in fusion-reactor technology and also in biomedical
1? -2
applications. Currently, fluences of approximately 10 cm have been
achieved in 60 hr of experimental time on the LLL-RTNS.Purpose for Studying Target Performance
21 -2
It has been projected that neutron fluences of 10 cm may be
needed to adequately predict some radiation effects that would arise in
an operating CTR reactor. The realization of such experimental condi-
tions is still many years away; however, the LLL RTNS is the most intense
source of 14-MeV neutrons currently available. Therefore, it will be the
premier instrument for radiation-effect studies in the near future.
A program to upgrade the RTNS design for the proposed new facility has
been undertaken, so that a ten-fold increase in the neutron-source
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Steward, S.A.; Nickerson, R. & Booth, R. Analyses and hydrogen-isotope-transport calculations of current and future designs of the LLL rotating-target neutron source, article, September 1, 1975; Livermore, California. (https://digital.library.unt.edu/ark:/67531/metadc871199/m1/3/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.