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Report

Heat gradient induced migration of brine inclusions in rock salt Mathematical treatment

By Neltrup, H.1,2

From

Risø National Laboratory, Risø National Laboratory for Sustainable Energy, Technical University of Denmark1

Risø National Laboratory for Sustainable Energy, Technical University of Denmark2

A mathematical model for the brine migration in rock salt around an infinite line heat source is set up. The temperature field around the time dependent heat source is calculated by use of Green functions. Numerical solutions are obtained by the computer program PSAMA and results are compared with hand calculations for certain simple cases.

By general considerations of the migration field approximate values of the brine inflow, which are independent of the source shape, is obtained and these results are used to estimate the agreement with the experimental results from Project Salt Vault.

Language: English
Publisher: Risø National Laboratory
Year: 1980
Series: Risø-m
ISBN: 8755007424 and 9788755007420
ISSN: 04186435
Types: Report
Keywords

Brines Green function Mathematical models Numerical solution Radiactive waste disposal Risø-M-2260 Rocks Salt deposits Spatial distribution Temperature dependence Thermal diffusion

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