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OVERVIEW OF LANDFILL BOTTOM LINER HYDRAULICS 1
Author(s) -
Demetracopoulos Alexander C.
Publication year - 1988
Publication title -
jawra journal of the american water resources association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.957
H-Index - 105
eISSN - 1752-1688
pISSN - 1093-474X
DOI - 10.1111/j.1752-1688.1988.tb00879.x
Subject(s) - hydraulics , leachate , environmental science , transient (computer programming) , geotechnical engineering , flow (mathematics) , petroleum engineering , engineering , waste management , mechanics , computer science , physics , aerospace engineering , operating system
Landfill bottom liners are important elements in the analysis and design of solid waste disposal facilities. This study presents an overview of several models, describing the flow over and through liners. The examined models are compared against data from a laboratory investigation. A quasi‐steady state (QSS) and a transient (TS) model yield the most complete description of linear hydraulics, and allow for estimation of the system's collection efficiency. The TS model performed slightly better than the QSS model, although the latter has the advantage of simplicity. The hydraulic conductivities of the liner and the drainage layer and the leachate accretion rates are parameters whose magnitudes must be known with relative accuracy for good evaluation of system performance.