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Design Screening Tools for Passive Funnel and Gate Systems
Author(s) -
Sedivy Robert A.,
Shafer John M.,
Bilbrey Lacrecia C.
Publication year - 1999
Publication title -
groundwater monitoring and remediation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 47
eISSN - 1745-6592
pISSN - 1069-3629
DOI - 10.1111/j.1745-6592.1999.tb00195.x
Subject(s) - funnel , aquifer , hydrogeology , environmental science , groundwater , flow (mathematics) , environmental remediation , petroleum engineering , computer science , geology , geotechnical engineering , contamination , environmental engineering , mechanics , physics , ecology , biology
The funnel and gate remediation concept (Star and Cherry 1993) represents a promising, yet relatively under‐developed, technology for the passive control and in situ remediation of contaminated ground water. Effective design and implementation of such a system may, however, prove difficult under conditions of large or unpredictable variations in contaminant migration or ground water flow. Numerical modeling of two‐dimensional ground water flow has been used to predict the hydraulic performance of passive, straight, or winged funnel and gate configurations over a range of hydrogeologic and ambient ground water flow conditions. The results of these analyses were used to construct generic correlation diagrams relating upstream capture zone or gale through put to the barrier, gale, and aquifer characteristics. These diagrams serve as useful screening tools to (1) quantitatively estimate the capture zone of pre‐determined funnel and gale configurations, or (2) develop preliminary funnel and gale designs that will yield a desired capture zone, independent of aquifer characteristics.