Neutron fluctuations induced by absorber vibrations: the QMC reactor experiment—I |
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Authors: | M Antonopoulos-Domis A Colebrooke |
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Abstract: | The dependence of rod vibration induced, neutron density fluctuations on the static neutron gradients was investigated experimentally at the QMC research reactor. By appropriate fuel loading arrangements the rod was made to vibrate (a) within a flat flux and (b) a flux gradient. The neutron density was fluctuating with the frequency of the vibrating absorber only when the static flux gradient in the vicinity of the absorber was not zero. The double frequency effect was not observed. |
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