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Risk methodology for geologic disposal of radioactive waste: The distributed velocity method of solving the convective-dispersion equation

Abstract

A new method is proposed for treating convective-dispersive transport. The motivation for developing this technique arises from the demands of performing a risk assessment for a nuclear waste repository. These demands include computational efficiency over a relatively large range of Peclet numbers and the ability to handle chains of decaying radionuclides with rather extreme contrasts in both solution velocities and half lives. To the extent it has been tested to date, the Distributed Velocity Method (DVM) appears to satisfy these demands. Included in this paper are the mathematical theory, numerical implementation, an error analysis employing statistical sampling and regression analysis techniques, and comparisons of DVM with other methods for convective-dispersive transport. (author)
Authors:
Campbell, James E; Longsine, Dennis E; [1]  Reeves, Mark [2] 
  1. Sandia National Laboratories, Albuquerque, New Mexico (United States)
  2. INTERA Environmental Consultants, Inc. Houston, TX (United States)
Publication Date:
Jun 01, 1980
Product Type:
Technical Report
Report Number:
NUREG/CR-1376; SAND80-0717; INIS-XA-N-032
Resource Relation:
Other Information: 17 refs, 11 figs; PBD: Jun 1980
Subject:
42 ENGINEERING; CALCULATION METHODS; MATHEMATICAL MODELS; NUCLEAR DECAY; RADIOACTIVE WASTE STORAGE; RADIONUCLIDE MIGRATION; RISK ASSESSMENT
OSTI ID:
20472062
Research Organizations:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Country of Origin:
IAEA
Language:
English
Other Identifying Numbers:
Other: Contract AT (29-1)-789; A-1192; TRN: XA04N0049047204
Availability:
Available from INIS in electronic form
Submitting Site:
INIS
Size:
75 pages
Announcement Date:
Jun 18, 2004

Citation Formats

Campbell, James E, Longsine, Dennis E, and Reeves, Mark. Risk methodology for geologic disposal of radioactive waste: The distributed velocity method of solving the convective-dispersion equation. IAEA: N. p., 1980. Web.
Campbell, James E, Longsine, Dennis E, & Reeves, Mark. Risk methodology for geologic disposal of radioactive waste: The distributed velocity method of solving the convective-dispersion equation. IAEA.
Campbell, James E, Longsine, Dennis E, and Reeves, Mark. 1980. "Risk methodology for geologic disposal of radioactive waste: The distributed velocity method of solving the convective-dispersion equation." IAEA.
@misc{etde_20472062,
title = {Risk methodology for geologic disposal of radioactive waste: The distributed velocity method of solving the convective-dispersion equation}
author = {Campbell, James E, Longsine, Dennis E, and Reeves, Mark}
abstractNote = {A new method is proposed for treating convective-dispersive transport. The motivation for developing this technique arises from the demands of performing a risk assessment for a nuclear waste repository. These demands include computational efficiency over a relatively large range of Peclet numbers and the ability to handle chains of decaying radionuclides with rather extreme contrasts in both solution velocities and half lives. To the extent it has been tested to date, the Distributed Velocity Method (DVM) appears to satisfy these demands. Included in this paper are the mathematical theory, numerical implementation, an error analysis employing statistical sampling and regression analysis techniques, and comparisons of DVM with other methods for convective-dispersive transport. (author)}
place = {IAEA}
year = {1980}
month = {Jun}
}