MIT LMFBR blanket physics project progress report No. 7, July 1, 1975--September 30, 1976

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Work during the period was devoted primarily to a range of analytical/numerical investigations, including evaluation of means to improve external blanket designs, beneficial attributes of the use of internal blankets, improved methods for the calculation of heterogeneous self-shielding and parametric studies of calculated spectral indices. Experimental work included measurements of the ratio of U-238 captures to U-235 fissions in a standard blanket mockup, and completion of development work on the radiophotoluminescent readout of LiF thermoluminescent detectors. The most significant findings were that there is very little prospect for substantial improvement in the breeding performance of external blankets, but internal blankets … continued below

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Pages: 186

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Driscoll, M.J. (ed.) September 30, 1976.

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Description

Work during the period was devoted primarily to a range of analytical/numerical investigations, including evaluation of means to improve external blanket designs, beneficial attributes of the use of internal blankets, improved methods for the calculation of heterogeneous self-shielding and parametric studies of calculated spectral indices. Experimental work included measurements of the ratio of U-238 captures to U-235 fissions in a standard blanket mockup, and completion of development work on the radiophotoluminescent readout of LiF thermoluminescent detectors. The most significant findings were that there is very little prospect for substantial improvement in the breeding performance of external blankets, but internal blankets continue to show promise, particularly if they are used in such a way as to increase the volume fraction of fuel inside the core envelope. An improved equivalence theorem was developed which may allow use of fast reactor methods to calculate heterogeneously self-shielded cross sections in both fast and thermal reactors.

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Pages: 186

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Dep. NTIS, PC A09/MF A01.

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  • September 30, 1976

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  • Feb. 4, 2018, 10:51 a.m.

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  • April 1, 2019, 2:30 p.m.

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Driscoll, M.J. (ed.). MIT LMFBR blanket physics project progress report No. 7, July 1, 1975--September 30, 1976, report, September 30, 1976; Cambridge, Massachusetts. (https://digital.library.unt.edu/ark:/67531/metadc1065330/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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