Similarity solutions for gravity-dominated spreading of a lens of organic contaminant

C.A. Miller, C.J. Duijn, van

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review


Similarity solutions are developed for gravity-dominated spreading at the water table of a lens of organic liquid largely immiscible with water. Different solutions deal with different mechanisms by which the lens volume decreases with time: dissolution or evaporation, trapping as water invades the region beneath the central part of the lens, and uniform degradation. In the last case, the solution is a special case of the Barenblatt-Pattle solution. The same is true for the limiting case of a lens of constant volume. In all cases information is presented on variation of lens radius and thickness with time. All solutions except that involving trapping can be carried over with minor modifications to the case of a lens simultaneously spreading and translating along a slightly inclined water table.
Original languageEnglish
Title of host publicationEnvironmental studies : mathematical, computational, and statistical analysis
EditorsM.F. Wheeler
Place of PublicationBerlin
ISBN (Print)978-1-4613-8494-6
Publication statusPublished - 1996
Externally publishedYes

Publication series

NameIMA volumes in mathematics and its applications
ISSN (Print)0940-6573


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