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January 1973

Convective Patterns of Flow During Inspiration

Author Affiliations

London; Denver

From the Physiological Flow Studies Unit, Imperial College (Drs. Olson and Sudlow) and the Webb-Waring Lung Institute, University of Colorado School of Medicine, Denver (Drs. Olson, Horsfield, and Filley).

Arch Intern Med. 1973;131(1):51-57. doi:10.1001/archinte.1973.00320070047005

Studies were carried out in clear, elastic, cast replicas of the normal human airway system (from the mouth to subsegmental bronchi) to determine the fluid dynamic parameters pertinent to aerosol transport and deposition. The velocity organizations (local magnitude and directions), pressures (dynamic and static), and flow instabilities were measured and compared to theoretical predictions.