An Analytic Model for Dispersion of Rocket Exhaust Clouds: Specifications and Analysis in Different Atmospheric Stability Conditions

Bruno Kabke Bainy, Daniela Buske, Régis Sperotto Quadros


This paper brings the first results concerning a new analytic model to evaluate atmospheric dispersion in rocket launch scenarios, namely the GILTTR (Generalized Integral Laplace Transform Technique for Rocket effluent dispersion) model. The model is constituted by three different modules, being them two pre-processors (micrometeorological parameters and deposition parameters) and the dispersion program. The dispersion calculations are made through the GILTT solution of the two-dimensional, time-dependant, advection-diffusion-deposition equation. The results show a set of simulations made using data from the Chuva Project from the Alcantara Rocket Launch Center (Brazil) for both stable and unstable planetary boundary layers (PBL), in order to evaluate model performance and illustration.


Rocket effluent; Pollution dispersion; Analytical model

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