{"title":"The determination of dipole extrapolation lengths for use in heterogeneous AGR core calculations","authors":"M.J. Bridge, J.M. Cumpstey","doi":"10.1016/0022-3107(73)90065-8","DOIUrl":null,"url":null,"abstract":"<div><p>A method has been developed for the calculation of the channel wall dipole extrapolation lengths required in heterogeneous calculations of neutron flux in an Advanced Gas-Cooled Reactor. Considerable improvement over previous methods has been achieved by treating the geometry of the fuel cluster explicitly and by using a P1 angular flux distribution at the channel wall. The calculation is done in one energy group using a collision probability method.</p><p>The results are compared with other methods and with some measurements of cross-cluster flux tilts made at Berkeley Nuclear Laboratories.</p></div>","PeriodicalId":100811,"journal":{"name":"Journal of Nuclear Energy","volume":"27 7","pages":"Pages 465-484"},"PeriodicalIF":0.0000,"publicationDate":"1973-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-3107(73)90065-8","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Nuclear Energy","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0022310773900658","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
A method has been developed for the calculation of the channel wall dipole extrapolation lengths required in heterogeneous calculations of neutron flux in an Advanced Gas-Cooled Reactor. Considerable improvement over previous methods has been achieved by treating the geometry of the fuel cluster explicitly and by using a P1 angular flux distribution at the channel wall. The calculation is done in one energy group using a collision probability method.
The results are compared with other methods and with some measurements of cross-cluster flux tilts made at Berkeley Nuclear Laboratories.
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