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Abstrakty
Spreading of gaseous pollutants in windy atmosphere is considered by means of numerical simulations of two-dimensional hydrodynamic equations. The parametric studies, which are performed for various magnitudes of a horizontal wind speed, reveal a plume development and a generation of vortices which occur as a result of Kelvin-Helmholtz instabilities. Mass density profiles exhibit high level of spatial and temporal variability. A spectral analysis of these profiles provides variable circular frequency and a wave number.
Wydawca
Rocznik
Tom
Strony
309--321
Opis fizyczny
Bibliogr. 17 poz., rys., tab.
Twórcy
autor
- Department of Environmental Physics, Institute of Environmental Protection Engineering, Technical University of Lublin, Wapienna 40B, 20-618 Lublin, Poland
autor
- Department of the Complex Physical Systems, Maria Curie-Skłodowska University, Radziszewskiego 10, 20-031 Lublin, Poland
Bibliografia
- [1] Zanetti P 1990 Air Pollution Modelling: Theories, Computational Methods, and Available Software, Van Nostrand Reinhold, New York
- [2] Bretherton F P and Haidvogel D B 1976 J. Fluid Mech. 78 129
- [3] Strużewska J and Łobocki L 1998 A Comparison of Schemes for Parametrization of the Turbulent Flow in Atmospheric Boundary Layer, Research Reports of Warsaw University of Technology, Warsaw (in Polish)
- [4] Murawski K and Michalczyk J K 2001 TASK Quarterly 5 (2) 207
- [5] Nieuwstadt F T M and Meeder J P 1997 Large-eddy Simulation of Air Pollution Dispersion, Metais O and Fertziger J eds., New Tools in Turbulence Modelling Les Editions de Physique, Springer, Kluwer, Paris, pp. 265-279
- [6] Straszko J, Fidecka M and Paulo L A 1997 Protection of the Air and Problems of Waste 3 74
- [7] Michalczyk J K and Murawski K 1999 Protection of the Air and Problems of Waste 6 211 (in Polish)
- [8] Michalczyk J K, Murawski K and Pawłowski L 1999 Protection of the Air and Problems of Waste 2 50 (in Polish)
- [9] LeVeque R J 1997 CLAWPACK - User Notes, Applied Mathematics, University of Washington, Seattle, Washington
- [10] LeVeque R J 1997 J. Comput. Phys. 131 327
- [11] LeVeque R J and Bale D S 1998 Proc. 7th. Int. Conf. on Hyperbolic Problems, Zurich
- [12] Roc P L 1981 J. Comp. Phys. 43 357
- [13] LeVeque R J 1998 J. Comp. Phys. 146 346
- [14] Rankin R, Harrold B G , Samson J C and Prycz P 1993 J. Geophys. Res. 98 5839
- [15] Murawski K, Oliver R and Ballester J L 2001 Astron. Astrophys. 375 264
- [16] Murawski K 2000 Astrophys. J. 537 495
- [17] Nocera L, Mędrek M and Murawski K 2001 Astron. Astrophys. 373 301
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BAT3-0010-0080