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Title: Neutron moderation in supercritical water-theory and experimental design
Author: Rainey, Peter
Awarding Body: University of London
Current Institution: Imperial College London
Date of Award: 1969
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The experimental design of a project to investigate the temperature dependence of the thermal neutron parameters in water into the supercritical region has been carried out based on the pulsed neutron method. The decay of the neutron flux in a volume of the material under study is measured and from the decay rate the neutron parameters can be inferred. A method has been developed for the direct comparison of the experimental data with theoretical predictions using the minimum of assumptions. This is based on the Discrete Ordinate Method of solution for use on computors and does not use the Buckling concept and the assumptions it implies which have normally been used in analyses. The equipment to carry out the experiments was designed and manufactured and the main parameters are given in Appendix 1. The basic design limits were 450°C (842°F) and 3500psia and employed a vessel of internal dimensions of 3 ft. diameter and 3 ft. high and had a weight of 6½ tons.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available