Eddy energy dissipation rate and puff diffusion during calms |
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Authors: | Nadežda Šinik Edita Lončar |
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Affiliation: | (1) Faculty of Sciences, Geophysical Institute, Horvatovac bb, Zagreb, Yugoslavia;(2) Hydrometeorological Institute, Gri 3, Zagreb, Yugoslavia |
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Abstract: | The paper considers a puff diffusion in its inertial stage when particle separation obeys the laws of the inertial subrange and depends only on eddy energy dissipation rate . The can be determined in the surface layer by the turbulent kinetic energy equation. Similarity equations connect with diffusion measure .A simple analytical model has been deduced to estimate pollutants diffusion during calms. |
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