Analytical Investigation of Certain Aspects of LMFBR Subassembly-Failure Propagation

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Description

An analytical investigation of certain problems in the area of subassembly-to-subassembly failure propagation in LMFBR's is described. Existing analyses of the response of the adjacent subassembly duct to mechanical loads are reviewed and summarized, and major uncertainties are identified. Additional analyses of the response of the adjacent subassembly to certain thermal loads are presented in two parts. In the first part, the effect of an external heat flux on duct melting and thermal stresses is considered. The external heat fluxes required to produce duct melting or excessive thermal stresses are compared with the heat fluxes that might be expected from ... continued below

Physical Description

42 p. : charts

Creation Information

Marr, William W.; Wang, P. Y.; Misra, B.; Padilla, A. & Crawford, R. M. February 1976.

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  • Main Title: Analytical Investigation of Certain Aspects of LMFBR Subassembly-Failure Propagation
  • Added Title: ANL (Series)
  • Added Title: Argonne National Laboratory Report ANL-76-19
  • Series Title: Argonne National Laboratory Reports

Description

An analytical investigation of certain problems in the area of subassembly-to-subassembly failure propagation in LMFBR's is described. Existing analyses of the response of the adjacent subassembly duct to mechanical loads are reviewed and summarized, and major uncertainties are identified. Additional analyses of the response of the adjacent subassembly to certain thermal loads are presented in two parts. In the first part, the effect of an external heat flux on duct melting and thermal stresses is considered. The external heat fluxes required to produce duct melting or excessive thermal stresses are compared with the heat fluxes that might be expected from the molten fuel deposited on the duct wall. In the second part, a thermal-hydraulic study is performed to investigate the effect of the external heat flux on the coolant temperature distribution in the adjacent subassembly. Both normal subassembly geometry and distorted subassembly geometry are considered. A detailed model of the coolant region formed by the heated duct wall and the displaced fuel pins is also analyzed to determine whether there are severe temperature gradients.

Physical Description

42 p. : charts

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Technical Report Archive and Image Library

This selection of materials from the Technical Report Archive and Image Library (TRAIL) includes hard-to-find reports published by various government agencies. The technical publications contain reports, images, and technical descriptions of research performed for U.S. government agencies. Topics range from mining, desalination, and radiation to broader physics, biology, and chemistry studies. Some reports include maps, foldouts, blueprints, and other oversize materials.

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  • February 1976

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  • Aug. 4, 2015, 8:33 a.m.

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Marr, William W.; Wang, P. Y.; Misra, B.; Padilla, A. & Crawford, R. M. Analytical Investigation of Certain Aspects of LMFBR Subassembly-Failure Propagation, report, February 1976; Argonne, Illinois. (digital.library.unt.edu/ark:/67531/metadc282665/: accessed April 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.