Aerodynamic diameter definition

Aerodynamic diameter means the theoretical diameter of a nonspherical particle having the same terminal settling velocity as an equally dense, spherical particle of such diameter.
View Source
Aerodynamic diameter means the diameter of a sphere of unit density which behaves aerodynamically the same as the particle of the test substance. It is used to predict where particles of different size and density may be deposited in the respiratory tract.
View Source

Related to Aerodynamic diameter

  • Diameter means the diameter of the stem of a tree measured outside the bark at a specified point of measurement.

  • Anaerobic digester means a liquid manure storage area that is constructed with the intent to capture and combust gas emissions resulting from the digestion of waste by microbes in anaerobic conditions. An anaerobic digester is a LMSA and is required to comply with all requirements applicable to LMSAs. Requirements specific to anaerobic digesters will be noted when applicable.

  • Flash point means the lowest temperature of a liquid at which its vapours form a flammable mixture with air;

  • Anaerobic digestion ’ means a controlled process involving microbial decomposition of organic matter in the absence of oxygen ;

  • Beam axis means a line from the source through the centers of the x-ray fields.