Rbu-Calculation of Reactor History Including the Details of Isotopic Concentration. Part 1. The Method Page: 4 of 122
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TABLE OF CONTENTS
Page
ABSTRACT . . . a . . . . . . . . . vii
ACKNOWLEDGMENT . . . . . . . . . . . viii
1. INTRODUCTION . . . . . . . . . . 1
II. STATEMENT OF THE PROBLEM . . . . . . . 2
III. MICROSCOPIC AND MACROSCOPIC FLUXES . . . . 3
IV. GENERAL OUTLINE OF THE RBU METHOD . . . . . 7
V. THE MONTE CARLO PORTION OF RBU . . . . . . . 10
A. Geometry . . . . . . . . . . 10
B. Description of a Material . . . . 0 11
C. General Outline of the Monte Carlo Portion . . . 12
D. Sampling from Initial Neutron Tape . . . . . 13
E. Unresolved Resonances . . . . . . . 15
F. Resolved Resonances . . . . . . . 17
G. Between Collisions Routine . . . . . . . 18
H. Collision Routine . . . . . . . 23
I. Census Time , . . . . . . . 30
J. Reflection at Outer Boundaries . . . . . . 30
K. Normalization of the Monte Carlo Results . . . . 31
VI. MONTE CARLO CONSTANTS . .. . . . 32
VII. THE DIFFUSION CALCULATION . . . . . . . 36
A. The Difference Equations . . . . . 37
B. Numerical Method . . . 40
C. Acceleration . . . . . . . . 41
D. Specific Numerical Procedure . . . . . . 43
VIII. THE DIFFUSION CONSTANTS . . . . . . . . 47
IX. ITERATION ON THE REACTIVITY . . . . . . . 52
X. THE BURN F CALCULATION . . . . . . . . . 54
A. The Predictor Corrector Method . . . . . . 55
B. Changing the Time Interval . . . . . . . 57
XI. BURNUP CONSTANTS . . . . . . . . . 60
XII. CROSS SECTION PREPARATION ROUTINE . . . . . 62v
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Leshan, E. J.; Burr, J. R.; Temme, M.; Morrison, R.; Thompson, G. T. & Triplett, J. R. Rbu-Calculation of Reactor History Including the Details of Isotopic Concentration. Part 1. The Method, report, December 1, 1958; Mountain View, California. (https://digital.library.unt.edu/ark:/67531/metadc1019592/m1/4/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.