Now showing items 1-3 of 3

    • McFarland, Andrew R. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 1990-07-24)
      This invention relates to an aerosol sampling probe and method used for the collection of samples from moving fluid streams. A shroud surrounds the probe which enables the collection of more representative concentrations ...
    • Vardiman, Steven; Mcfarland, Andrew R. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2000-02-08)
      The apparatus and method of the present invention extract samples of emissions within a stack or duct through the use of a probe. The sample is transported from the probe through a transport device into a mass-monitoring ...
    • McFarland, Andrew R. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2001-04-17)
      A transpirated wall aerosol collection system includes a collector operable to receive a gas flow containing particulate matter. The system also includes a porous wall having a first surface and a second surface. The porous ...