• Publications
  • Influence
A Microorifice Uniform Deposit Impactor (MOUDI): Description, Calibration, and Use
An eight-stage cascade impactor, with cut-sizes ranging from 0.056 to 18 μm at a flow rate of 30 L/min, has been developed, calibrated, and tested in field programs. This impactor, called aExpand
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The performance of an impactor can be accurately predicted, if design criteria which were numerically developed and experimentally proven, are adhered to. Based on these criteria, charts have beenExpand
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Effect of Ultra-Stokesian Drag and Particle Interception on Impaction Characteristics
The characteristics of impactors with round or rectangular nozzles have been determined by the numerical solution of the Navier-Stokes equations and of the equation of motion of the particles. TheExpand
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Low flow rate sharp cut impactors for indoor air sampling: design and calibration.
Two single round nozzle impactors have been developed for use in Harvard’s indoor air pollution health study. Both impactors operate at flow rates of 4 L/m and are nearly identical, differing only inExpand
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Characteristics of laminar jet impactors
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Virtual impactors: a theoretical study.
  • V. Marple, C. Chien
  • Environmental Science, Medicine
  • Environmental science & technology
  • 1 August 1980
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Next generation pharmaceutical impactor (a new impactor for pharmaceutical inhaler testing). Part I: Design.
A new cascade impactor has been designed specifically for pharmaceutical inhaler testing. This impactor, called the Next Generation Pharmaceutical Impactor (NGI), has seven stages and is intended toExpand
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An Aerosol Chamber for Instrument Evaluation and Calibration
An aerosol test chamber has been developed for the purpose of providing an environment for the evaluation of several aerosol measuring instruments and samplers at one time. Evaluations of the chamberExpand
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A personal cascade impactor: design, evaluation and calibration.
A cascade impactor has been developed that is suitable for personal sampling. The impactor can be used with four, six, or eight stages with cut points ranging from 0.5 micron to 21 micron aerodynamicExpand
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