In this work the comparison between two models for the simulation of the dispersion of pollutants emitted in atmosphere is performed. The case studied is the plume continuously emitted from a point source, the stack of a turbogas power plant sited in the Po Valley (Pianura Padana) in Italy : the spatial domain of the simulation is part of the Reggio Emilia district. In the investigated site very light winds (<2 m/s) frequently persist for long period, and this condition is not easily simulated by the most of dispersion models. In this work the performances of the ISC3 gaussian model and the SPRAY (AIR INDUSTRY dispersion package) lagrangian model are tested. The pollutant dispersion is simulated with both the models in different seasons, corresponding to typical atmospheric conditions (stable or unstable) and to winds speed higher or lower than 2 m/s. The used meteorological data set is obtained by the CALMET model at the ARPA-Emilia Romagna.

ATMOSPHERIC DISPERSION SIMULATION OF THE EMISSION FROM A TURBOGAS POWER PLANT USING LAGRANGIAN AND GAUSSIAN MODELS / Ghermandi, Grazia; Teggi, Sergio; Cecchi, Rodolfo; Fabbi, Sara. - ELETTRONICO. - CD - ROM:(2006), pp. 1-10. ((Intervento presentato al convegno VIII° SIBESA tenutosi a Fortaleza (Brasile) nel 17 -22 settembre 2006.

ATMOSPHERIC DISPERSION SIMULATION OF THE EMISSION FROM A TURBOGAS POWER PLANT USING LAGRANGIAN AND GAUSSIAN MODELS

GHERMANDI, Grazia;TEGGI, Sergio;CECCHI, Rodolfo;FABBI, Sara
2006

Abstract

In this work the comparison between two models for the simulation of the dispersion of pollutants emitted in atmosphere is performed. The case studied is the plume continuously emitted from a point source, the stack of a turbogas power plant sited in the Po Valley (Pianura Padana) in Italy : the spatial domain of the simulation is part of the Reggio Emilia district. In the investigated site very light winds (<2 m/s) frequently persist for long period, and this condition is not easily simulated by the most of dispersion models. In this work the performances of the ISC3 gaussian model and the SPRAY (AIR INDUSTRY dispersion package) lagrangian model are tested. The pollutant dispersion is simulated with both the models in different seasons, corresponding to typical atmospheric conditions (stable or unstable) and to winds speed higher or lower than 2 m/s. The used meteorological data set is obtained by the CALMET model at the ARPA-Emilia Romagna.
VIII° SIBESA
Fortaleza (Brasile)
17 -22 settembre 2006
CD - ROM
1
10
Ghermandi, Grazia; Teggi, Sergio; Cecchi, Rodolfo; Fabbi, Sara
ATMOSPHERIC DISPERSION SIMULATION OF THE EMISSION FROM A TURBOGAS POWER PLANT USING LAGRANGIAN AND GAUSSIAN MODELS / Ghermandi, Grazia; Teggi, Sergio; Cecchi, Rodolfo; Fabbi, Sara. - ELETTRONICO. - CD - ROM:(2006), pp. 1-10. ((Intervento presentato al convegno VIII° SIBESA tenutosi a Fortaleza (Brasile) nel 17 -22 settembre 2006.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/604795
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