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Abstrakty
A compact device for measurements of levitated particles in humid atmosphere up tp 100% relative humidity and in temperature range from -30 to 60 C was built. The preliminary experiments were done using ethanediol and water microdroplets. Light scattered by the trapped particles on two perpendicular polarisations was recorder. On the basis of Mie theory information on the radius and refractive index of the droplets was extracted with FFT and T-matrix method combined with fitting procedure.
Wydawca
Czasopismo
Rocznik
Tom
Strony
423--430
Opis fizyczny
Bibliogr. 23 poz.
Twórcy
autor
autor
autor
autor
autor
- Institute of Physics of the Polish Academy of Sciences, 32/46 Lotników Ave., 02-668 Warsaw, Poland
Bibliografia
- 1. S.E. Schwart, F. Arnold, J.P. Blanchet, P.A. Durkee, D.J. Hofmann, W.A. Hoppel, M.D. King, A.A. Lacis, T. Nakajima, J.A. Ogren, O.B. Toon, and M. Wendisch, "Group report: Connections between aerosol properties and forcing of climate,"' in Aerosol Forcing of Climate, pp. 251-280, edited by Charlson and Heintzenberg, Wiley, New York, 1995.
- 2. H.R. Pruppacher and J.D. Klett, Microphysics of Clouds and Precipitation, Kluwer, Dordrecht, 1998.
- 3. D.R. Cutten, J.D. Spinhirne, R.T. Menzies, D.A. Bowdle, V. Srivastava, R.F. Peuschel, A.D. Clarke, and J. Rothermal, "'Intercomparisons of pulsed lidar data with flight level CW lidar data and modelled backscatter from measured aerosol microphysics near Japan and Hawaii," J. Geophys. Res. 103, 19649-19661 (1998).
- 4. H.M. Pollock and A. Hammiche, "'Micro-thermal analysis: techniques and applications," J Phys. D: Appl Phys 34, R23-R53 (2001).
- 5. R.A. Zahoransky, J. Hoschele, and J. Steinwandel, "Formation of argon clusters by homogeneous nucleation in supersonic shock tube flow," J. Chem. Phys. 103, ( 1995).
- 6. A.L. Goodman, G.M. Underwood, and V.H. Grassian, "A laboratory study of the heterogeneous reaction of nitric acid on calcium carbonate particles," J. Geophys. Res. 105, 29053-29064 (2000).
- 7. R.N. Berglund and B.Y.H. Liu, Environ. Sci. Technol. 7, 147 (1973).
- 8. K.H. Fung and I.N. Tang, "Chemical characterisation of aerosol particles by laser Raman spectroscopy," in Aerosol Chemical Processes in the Environmnent, pp. 177-195, edited by K.R. Spurny and D. Hochrainer, CRC Press LLC, Boca Raton, 2000.
- 9. E.G. Lierke, "Acoustic levitation — a comprehensive survey of principles and applications," Acoustica 82, 220-237 (1996).
- 10. S. Bauerecker and B. Neidhart, "Cold gas traps for ice particle formation," Science 282, 2211-2212 (1998).
- 11. A. Ashkin, "'Optical trapping and manipulation of neutral particles using lasers," Proc. Natl. Acad. Sci. USA 94, 4853-4860 (1997).
- 12. W. Paul, "Electromagnetic traps for charged and neutral particles," Mod. Phys. 62, 531-540 (1990).
- 13. R.F. Wuerker, H. Shelton, and R. V. Langmuir, "Electrodynamic containment of charged particles," J. Appl. Phys. 30 342-349 ( 1959).
- 14. J. Xu, D. Imre, R. McGraw, and I. Tang, "Alumonium sulfate: Equilibrium and metastability phase diagrams from 40 to -50°C," .J. Phys. Chem. B102. 7462-7469 (1998).
- 15. M. Schwell, H. Baumgärtel, I. Weidinger, B. Krämer, H. Vortisch, L. Wöste, T. Leisner and E. Rühl, "Uptake dynamics and diffusion of HCI in sulfuric acid solution measured in single levitated microdroplets," J. Phys. Chem. A104, 6726—6732 (2000).
- 16. E.R. Lee and M.L. Perl, "Universal fluid droplet ejector,' U.S. Pat. No. 5943075, 1999.
- 17. G. Mie, "Beiträge zur Optik trüber Medien, speziell kolloidaler Metallösungen," Annalen der Physik 25, 377-445 ( 1908).
- 18. M. Born and E. Wolf, Principles of' Optics, Pergamon, Oxford, 1970.
- 19. C.F. Bohren and D.R. Huffman, Scattering of Light by small Particles, Wiley, New York, 1983.
- 20. M.I. Mishschenko, J. W. Hovenier, and L.D. Travis, Light Scattering by Nonspherical Particles, Academic Press, San Diego, 2000.
- 21. A.H. Harvey, J.S. Gallagher, and J.M.H. Levelt Sengers, 'Revised formulation for the refractive index of water and steam as a function of wavelength, temperature and density," J. Phys. Chem. Ref. Data 27, 761-774 (1998).
- 22. B. Steiner, B. Berge, R. Gausmann, J. Rohmann, and E. Rühl, "Fast in situ sizing technique for single levitated liquid aerosols," Appl. Opt. 38, 1523-1529 (1999).
- 23. B. Krämer, M. Schwell, O. Hubner, H. Vortisch, T. Leisner, E. Rühl, H. Baumgärtel, and L. Wöste, "Homogeneous ice nucleation observed in single levitated micro droplets," Bev. Bunsenges. Phys. Chem. 100, 1911-1914 (1996).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWA2-0005-0256
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