Barometric Pumping of Contaminated Gases Through Fractured Permeable Media

by R. H. Nilson, S-Cubed, A Div of Maxwell Lab Inc, La Jolla, United States,
E. W. Peterson, S-Cubed, A Div of Maxwell Lab Inc, La Jolla, United States,
K. H. Lie, S-Cubed, A Div of Maxwell Lab Inc, La Jolla, United States,
N. R. Burkhard, S-Cubed, A Div of Maxwell Lab Inc, La Jolla, United States,
J. R. Hearst, S-Cubed, A Div of Maxwell Lab Inc, La Jolla, United States,



Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1991

Abstract:

Contaminated gases may be transported vertically through a fractured permeable medium by the breathing process which is associated with cyclical changes in the barometric pressure. A review of results from analytical and numerical modelling indicates that the contaminant transport induced by barometric pumping may be orders of magnitude greater than the rate of transport by molecular diffusion.

Subject Headings: Numerical models | Pumping tests | Pollution | Mathematical models | Dissolved gases | Cracking | Contaminant transport

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