Generation - Production of Test Aerosols Reading: Chap 21...

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09/13/11 1 Production of Test Aerosols Ideal aerosol generator: a constant and reproducible output of (monodisperse), stable, uncharged, (solid), spherical aerosol particles whose size and concentration can be easily controlled. Q: In our daily life, do we generate aerosols? Q: What are the criteria for producing aerosols for testing? Reading: Chap 21
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09/13/11 2 Atomization of Liquids 3 / 1 υ F d d d s = Q: Do the solution’s properties change after a while? Mass conc. of 5-50 g/m 3 MMDs of 1-10 μ m σ g of 1.5-2.2 Liquid Solution Suspension Q: Do we generate mono- or poly- disperse droplets by atomization? Q: Can we produce high conc. aerosol by atomization? Q: What type of aerosols do we generate?
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09/13/11 3 Ultrasonic Nebulizer Compressed Air Nebulizer Q: How does the particle size change wrt air velocity, viscosity and surface tension? Q: If dry particles are produced from
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This note was uploaded on 09/11/2011 for the course ENV 6130 taught by Professor Wu during the Spring '08 term at University of Florida.

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Generation - Production of Test Aerosols Reading: Chap 21...

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