Measurement of Control Schemes for Fast-Spectrum Compact Reactors
作者:
KunzeJ. F.,
SimsF. L.,
ByrneJ. M.,
ReidR. E.,
期刊:
Nuclear Applications and Technology
(Taylor Available online 1970)
卷期:
Volume 8,
issue 3
页码: 226-239
ISSN:0550-3043
年代: 1970
DOI:10.13182/NT70-A28669
出版商: Taylor&Francis
数据来源: Taylor
摘要:
Small, high-temperature, fast-spectrum reactors, of the type proposed for auxiliary space-power applications, cannot be conveniently controlled by fuel or control-rod motion in the CORe. Consequently, the reflector (which may be a moderator) must provide the needed reactivity control. Critical experiment measurements employing conventional as well as pulsed-neutron techniques on various reflector control methods show that at least 5%Δk control worth is easily achieved, and full shutdown of over 12%Δk can be achieved by complete reflector removal. Though pulsed-neutron techniques are convenient for evaluating large changes in system reactivity, the interpretation of such measurements is far from straightforward, particularly on fast reactors with moderating reflectors.
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