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Low-cost wind tunnel for aerosol inhalation studies.

  • Author(s): Chung, IP
  • Dunn-Rankin, D
  • Phalen, RF
  • Oldham, MJ
  • et al.

A low-cost wind tunnel for aerosol studies has been designed, constructed, and evaluated for aerosol uniformity with 2- and 0.46-micron particles. A commercial nebulizer was used to produce the suspended test particles, and a custom-made, four-hole injector was used to introduce the aerosol into the wind tunnel. A commercially available optical particle counter measured the particle concentration. Performance tests of the velocity profile and particle concentration distribution at two flow rates showed that the system performs well for small particles.

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