Release of Radionuclides from Multiple Conisters in a High Level Waste Repository

Ahn, J.*; Rob, D. A.*; Kuo, S.*; Cha, P.L.*

PNC TY1952 98-001, 37 Pages, 1998/07

PNC-TY1952-98-001.pdf:1.67MB

1.INTRODUCTION AND BACKGROUND 1.1RESULTS OF PREVIOUS STUDY 1.2OBJECTIVE AND SCOPE OF THIS STUDY 2.REPOSITORY-WIDE TRANSPORT MODEL 2.1ASSUMED HIGH-LEVEL WASTE CHARACTERISTICS 1.2GEOLOGIC FORMATIONS AND REPOSITORY CONFIGURATION 1.3THE MASS TRANSPORT MODEL 1.4MATHEMATICAL FORMULATION 1.4.1MASS TRANSPORT OF RADIONUCLIDES IN REPOSITORY 1.4.2TOTAL MASS EXISTING IN THE FAR FIELD 1.5PARAMETER VALUES 1.6NUMERICAL RESULTS 1.6.1PLUTONIUM 1.6.2URANIUM 1.7SUMMARY 2.UNCERTAINTIES FOR TOTAL URANIUM MASS IN FAR FIELD 2.1INTRODUCTION 2.2LATIN HYPERCUBE SAMPLING 2.3FIXED PARAMETERS 2.4PARAMETERS WITH UNCERTAINTIES 2.4.1WATER VELOCITY IN THE NEAR-FIELD ROCK 2.4.2POROSITY OF THE NEAR-FIELD ROCK 2.4.3POROSITY OF THE BENTONITE BUFFER 2.4.4DIFFUSION COEFFICIENT OF URANIUM IN BUFFER 2.4.5SORPTION DISTRIBUTION COEFFICIENT OF URANIUM IN THE NEAR-FIELD ROCK 2.4.6SORPTION DISTRIBUTION COEFFICIENT OF URANIUM IN BUFFER 2.4.7URANIUM SOLUBILITY 2.5EFFECT OF NUMBER OF REALIZATIONS 2.6EFFECT OF DISTRIBUTION FUNCTIONS 2