Browsing by Subject "G01N 1/2208"

Now showing items 1-2 of 2

    • Circumferential slot virtual impactor for concentrating aerosols 
      Haglund, John S.; Mcfarland, Andrew R. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2007-08-28)
      A circumferential slot virtual impactor includes a disk-shaped housing with an endless circumferential slot for receiving aerosols. The slot forms an acceleration nozzle, and a receiver nozzle spaced apart radially inwardly ...
    • Transpirated wall aerosol collection system and method 
      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 ...