title: Variable-cut particle-size classification by opposing jets.
abstract: A new technique of aerodynamic particle-size classification has been developed utilizing axisymmetrically-opposed air jets. For a fixed geometry the cut size can be varied from 0.8 to 3.6 micrometer by changing the jet flow rates. Future designs are expected to extend the useful particle-size range. Particles remain airborne after size separation, permitting the use of continuous, automated methods for analyzing the particle concentration and chemical compositon.
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D004864:Equipment and Supplies; D005069:Evaluation Studies as Topic; D008722:Methods; D010316:Particle Size
chemical_list: D000393:Air Pollutants