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

Notes

Dep. NTIS, PC A09/MF A01.

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  • Report No.: COO-2250-28
  • Report No.: MITNE-211
  • Grant Number: EY-76-S-02-2250
  • DOI: 10.2172/5234223 | External Link
  • Office of Scientific & Technical Information Report Number: 5234223
  • Archival Resource Key: ark:/67531/metadc1065330

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  • September 30, 1976

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 6, 2018, 6:16 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; United States. (https://digital.library.unt.edu/ark:/67531/metadc1065330/: accessed March 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.