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MODELING THE INFLUENCE OF ACTIVE SUBSLAB DEPRESSURIZATION (ASD) SYSTEMS ON AIRFLOWS IN SUBSLAB AGGREGATE BEDS
Mosley*, R B. MODELING THE INFLUENCE OF ACTIVE SUBSLAB DEPRESSURIZATION (ASD) SYSTEMS ON AIRFLOWS IN SUBSLAB AGGREGATE BEDS. RADIATION PROTECTION DOSIMETRY 45(1):435-437, (1992).
A simple model is presented that allows the pressure difference in a subslab aggregate layer to be estimated as a function of radial distance from the central suction point of an active subslab depressurization system by knowing the average size, thickness, porosity, and permeability of the aggregate along with total flow rate. The flow regimes may span the range from fully developed turbulence, through the transition, to Darcian flow.
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Modeling the Influence of Active Subslab Depressurization (ASD) Systems on Airflows iin Subslab Aggregate Beds (PDF,NA pp, 884 KB, about PDF)
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Organization:U.S. ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF RESEARCH AND DEVELOPMENT
NATIONAL RISK MANAGEMENT RESEARCH LABORATORY
AIR POLLUTION PREVENTION AND CONTROL DIVISION
INDOOR ENVIRONMENT MANAGEMENT BRANCH