By Pramod Kulkarni, Paul A. Baron, Klaus Willeke
Aerosol size: rules, concepts, and purposes 3rd version is the main certain therapy to be had of the most recent aerosol dimension equipment. Drawing at the knowledge of diverse specialist members; it presents a high-quality take hold of of size basics and practices a wide selection of aerosol applications.
This re-creation is up to date to handle new and constructing purposes of aerosol size, together with purposes in environmental overall healthiness, atmospheric technological know-how, weather swap, pollution, public health and wellbeing, nanotechnology, particle and powder know-how, pharmaceutical examine and improvement, fresh room know-how (integrated circuit manufacture), and nuclear waste management.
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Additional info for Aerosol Measurement: Principles, Techniques, and Applications
1 Growth Rate When a droplet of pure liquid is in a supersaturated environment that exceeds the saturation ratio requirement given by the Kelvin equation, the droplet grows by condensation of vapor on its surface. The rate of growth depends on the saturation ratio and the particle size.
The slip correction factor can be determined from Equation 2-14 using constants for solid particles Cc ¼ 1 þ Kn[1:142 þ 0:558 exp (À0:999=Kn)] Cc ¼ 1 þ 2 Á 0:0665 mm 0:01 mm Â 1:142 þ 0:558 exp À0:999 ! 0:01 mm ¼ 23:1 2 Á 0:0665 mm We then estimate the diffusion coefficient, using Equation 2-25. 2 Particle Diffusion D¼ Small particles can achieve significant diffusive motion in much the same manner as that described for gas molecules. The difference is only in the particle size and shape. Because of their large inertia and large surface area over which the bombardment by the gas molecules is averaged, large particles diffuse more slowly than small particles.
T. 1973. Aerosol Technology in Hazard Evaluation. New York: Academic. Rader, D. J. 1990. Momentum slip correction factor for small particles in nine common gases. J. Aerosol Sci. 21: 161– 168. Sartor, J. , and C. E. Abbott. 1975. Prediction and measurement of the accelerated motion of water drops in air. J. Appl. Meteor. 14(2): 232 –239. Schlichting, H. 1979. Boundary-Layer Theory. New York: McGraw Hill. Tsai, C. , and D. Y. H. Pui. 1990. Numerical study of particle deposition in bends of a circular cross-section –laminar flow regime.
Aerosol Measurement: Principles, Techniques, and Applications by Pramod Kulkarni, Paul A. Baron, Klaus Willeke