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A new analytical treatment of airflow to inlet wells in soil vapor extraction systems


A new analytical treatment of airflow to inlet wells in soil vapor extraction systems



Ground water monitoring and remediationng 18(2): 133-136



DOI: 10.1111/j.1745-6592.1998.tb00624.x

This paper provides a new analytical model of airflow to inlet wells in soil vapor extraction systems. It is based on a recent analytical solution of airflow to a single vapor extraction well by Baehr and Joss (1995), which updated the previous model of Baehr and Hult (1991). Baehr and Joss (1995) treated the air leakage through the surface as an air flow boundary condition, whereas Baehr and Hult (1991) approximated the leakage as a distributed source imposed in the governing airflow equation. The new analytical model shows significant improvement on airflow assessment over the previous model by Ge and Liao (1996), which could underestimate the efficiency airflow to inlet wells by as much as 27% in a typical vapor extraction system.

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Accession: 003022616

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