Effect of Subchannel Void Fraction Distribution on Lattice Physics Parameters for Boiling Water Reactor Fuel Bundles

In boiling water reactor (BWR) cores, the radial void distribution in fuel bundles is thought to deviate from uniform distribution. The effect of heterogeneity in the subchannel void fraction distribution, caused by the presence of Gd-poisoned and cold surfaces as well as control blades on BWR latti...

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Veröffentlicht in:	Journal of nuclear science and technology 2008-12, Vol.45 (12), p.1237-1251
Hauptverfasser:	IKEHARA, Tadashi, KUDO, Yoshiro, TAMITANI, Masashi, YAMAMOTO, Munenari
Format:	Artikel
Sprache:	eng
Schlagworte:	2-D lattice neutronics calculation acceleration of Gd-poisons depletion Applied sciences COBRAG control blade worth Energy Energy. Thermal use of fuels Exact sciences and technology Fission nuclear power plants Gd worth infinite multiplication factor Installations for energy generation and conversion: thermal and electrical energy rod power peaking factor subchannel thermal hydraulics calculation TGBLA void fraction heterogeneity
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