کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8069007 1521123 2015 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Critical mass calculations using MCNP: An academic exercise
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی مهندسی انرژی و فناوری های برق
پیش نمایش صفحه اول مقاله
Critical mass calculations using MCNP: An academic exercise
چکیده انگلیسی
In introductory courses for nuclear engineering, the concept of critical dimension and critical mass are introduced. Students are usually taught that the geometrical shape which needs the smallest amount of fissionable material to reach criticality is a sphere. In this paper, this concept is explored further using MCNP code. Five different regular polyhedrons (i.e., the Platonic solids) and a sphere have been examined to demonstrate that sphere is indeed the optimal geometrical shape to minimize the critical mass. For illustration purpose, the fissile isotope used in this study is 239Pu, with a nominal density of 19.8 g/cm3.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Annals of Nuclear Energy - Volume 75, January 2015, Pages 228-231
نویسندگان
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