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Title: Estimation of tritium production in fusion reactor blankets
Author: Green, Stuart
Awarding Body: The University of Birmingham
Current Institution: University of Birmingham
Date of Award: 1988
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The aim of this work has been to obtain reliable experimental data which can be used to obtain constraints on the tritium breeding cross-sections of 6-Li and 7-Li; and, to develop a technique for rapid estimation of tritium production in a fusion reactor blanket. A range of experimental and calculational techniques were used during the project, but the main approach was to circumvent problems in direct measurement of tritium production by using other reactions, which behave in the same way as the 6-Li(n, alpha)t and 7-Li(n, n'alpha)t reactions. The measurement regime was optimised, and then compared with Monte-Carlo predictions made by the MORSE code. To check the calculations an NE-213 spectrometer was used to give differential (in energy) neutron information. Significant modifications were made to an existing spectrometer, before it was used for the measurements described here. The matrix unfolding technique was used to obtain neutron energy spectrum information from the measured NE-213 pulse-height response, and the code 05S was used to predict the mono-energetic detector responses that this requires. The data input to 05S was updated as part of this work, particularly the cross-section and angular distribution used for the 12-C(n, alpha)9-Be reaction.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available