{"id":4357,"date":"2026-05-14T13:41:13","date_gmt":"2026-05-14T04:41:13","guid":{"rendered":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/?p=4357"},"modified":"2026-05-14T13:41:13","modified_gmt":"2026-05-14T04:41:13","slug":"kurri-tr-258","status":"publish","type":"post","link":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/kurri-tr-258\/","title":{"rendered":"KURRI-TR-258"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

KUR\u7528\u71c3\u6599\u4f4e\u6fc3\u7e2e\u5ea6\u5316\u306e\u305f\u3081\u306e\u71b1\u6c34\u529b\u89e3\u6790
THERMAL-HYDRAULIC ANALYSIS FOR CORE CONVERSION TO THE USE OF LOW-ENRICHED URANIUM FUELS IN THE KUR<\/p>\n\n\n\n

1984\u5e7412\u67087\u65e5\u3000(December 7, 1984)
\u4e09\u5cf6\u5609\u4e00\u90ce\u3001\u795e\u7530\u5553\u6cbb\u3001\u67f4\u7530\u4fca\u4e00
K. Mishima, K. Randa and T. Shibata<\/p>\n\n\n\n

Contents<\/strong><\/p>\n\n\n\n

INTRODUCTION \/p.1
CALCULATIONS \/p.2
Flow Distribution Calculation \/p.2
Fuel Plate Temperature Calculation \/p.3
Coolant Outlet Temperature
Fuel Plate Temperature
Heat Transfer Coefficient \/p.5
Heat Transfer Model
Single-Phase Heat Transfer Correlations
Critical Heat Flux \/p.7
Heat Flux at Onset of Flow Instability \/p.9
Thermal Conductivity of Fuel \/p.10
Computer Code PLTEMP3 \/p.11
Engineering Hot Channel Factors \/p.11
Hot Channel Factor for Bulk Water Temperature Rise Fb
Hot Channel Factor for Heat Flux Fq
Hot Channel Factor for Heat Transfer Fh
Critical Velocity for Fuel Plate Deformation \/p.18
CORE DESCRIPTION \/p.19
Outline of the Current KUR Core \/p. 19
Fuel Elements with LEU Fuels \/p. 20
Core Model \/p. 20
RESULTS AND DISCUSSIONS \/p. 21
Results for the Current KUR \/p. 21
Coolant Velocity and Flow Rate for LEU Fuels \/p. 21
Flow Distribution in the Core \/p. 22
Margin for Core Cooling \/p. 23
Effects of. High Coolant Velocity \/p. 24
Effect of Fuel Material on Peak Fuel Temperature \/p. 24
SUMMARY \/p. 25
ACKNOWLEDGEMENT \/p. 26
REFERENCES \/p. 27
APPENDIX A. COMPUTER CODE PLTEMP3 \/p. 49<\/p>\n\n\n\n

<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

KUR\u7528\u71c3\u6599\u4f4e\u6fc3\u7e2e\u5ea6\u5316\u306e\u305f\u3081\u306e\u71b1\u6c34\u529b\u89e3\u6790THERMAL-HYDRAULIC ANALYSIS FOR CORE CONVERSION TO THE USE OF LOW-ENRICHED URANIUM FUELS IN […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"12","format":"standard","meta":{"_uag_custom_page_level_css":"","_locale":"ja","_original_post":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/?p=4357","footnotes":""},"categories":[17],"tags":[],"class_list":["post-4357","post","type-post","status-publish","format-standard","hentry","category-technical-repprt","ja"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"nakatani","author_link":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/author\/nakatani\/"},"uagb_comment_info":0,"uagb_excerpt":"KUR\u7528\u71c3\u6599\u4f4e\u6fc3\u7e2e\u5ea6\u5316\u306e\u305f\u3081\u306e\u71b1\u6c34\u529b\u89e3\u6790THERMAL-HYDRAULIC ANALYSIS FOR CORE…","_links":{"self":[{"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/posts\/4357","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/comments?post=4357"}],"version-history":[{"count":2,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/posts\/4357\/revisions"}],"predecessor-version":[{"id":4851,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/posts\/4357\/revisions\/4851"}],"wp:attachment":[{"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/media?parent=4357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/categories?post=4357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/adm.rri.kyoto-u.ac.jp\/pub\/wp-json\/wp\/v2\/tags?post=4357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}