Home / Store / Journals / Electronic Articles / Nuclear Science and Engineering / Volume 93 / Number 2 / Pages 204-213
A. Dubi, A. Goldfeld, K. Burn
Nuclear Science and Engineering / Volume 93 / Number 2 / Pages 204-213
Format:electronic copy (download)
The direct statistical approach was used recently to obtain analytic expressions for the second moment and the average time per source particle in a general case of multisurface geometry splitting. A practical algorithm is given for the calculation of the second moment as a function of the splitting parameters on the surfaces. The algorithm is used to calculate an explicit expression for the efficiency in a problem involving streaming of neutrons in a straight section of a concentric coolant pipe of a fast reactor. The results are used to obtain the optimum splitting range on four surfaces.
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