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Thibaudeau, J.; Critoph, E.
Atomic Energy of Canada Limited, Chalk River, Ontario (Canada)1965
Atomic Energy of Canada Limited, Chalk River, Ontario (Canada)1965
AbstractAbstract
[en] Many computer programs exist which solve the diffusion equations with various types of boundary conditions. Most of them use a homogeneous approach to the solution. The only program in use at Chalk River which takes into account explicitly the heterogeneous structure of a lattice is SYMMETRIZE. A study of some lattices of 7 and 19-element UO2 clusters, which have been measured in ZED-2, was undertaken to compare the predictions of differents programs with measurements. In this study HEX, FLAME and SYMMETRIZE were used. Using these programs, it has been possible to assess the errors associated with most of the approximations contained in each of these programs and derive corrections for them. The measured buckling was finally compared with the bucklings obtained from the programs with these derived corrections applied. (author)
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Source
Nov 1965; 30 p; CRRP--1228
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Report
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Country of publication
ACTINIDE COMPOUNDS, AIR COOLED REACTORS, CHALCOGENIDES, DIFFERENTIAL EQUATIONS, EQUATIONS, FUEL ASSEMBLIES, GAS COOLED REACTORS, HEAVY WATER COOLED REACTORS, HEAVY WATER MODERATED REACTORS, NATURAL URANIUM REACTORS, ORGANIC COOLED REACTORS, OXIDES, OXYGEN COMPOUNDS, PARTIAL DIFFERENTIAL EQUATIONS, POWER REACTORS, PRESSURE TUBE REACTORS, REACTOR COMPONENTS, REACTORS, TANK TYPE REACTORS, THERMAL REACTORS, URANIUM COMPOUNDS, URANIUM OXIDES
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