Source: https://www.researchgate.net/profile/Aroua-Aouadi/publication/281836240_Analyse_par_simulation_numerique_de_l'ecoulement_d'un_jet_turbulent_axisymetrique_a_bulles/links/5611554a08aec422d116f603/Analyse-par-simulation-numerique-de-lecoulement-dun-jet-turbulent-axisymetrique-a-bulles.pdf