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Numerical Simulation as a Tool for Design Optimization of Two-Phase Swirl Flow Atomizers


[ 1 ] Instytut Technologii i Inżynierii Chemicznej, Wydział Technologii Chemicznej, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[7.6] Chemical sciences

Year of publication


Chapter type

chapter in monograph / paper

Publication language


  • Conical two-phase atomizers
  • Swirl chamber
  • Eulerian model

EN This study aims to analyze the hydrodynamics in two-phase swirl flow conical atomizers. The Euler-Euler model was used for the calculations. Numerical simulations were performed to provide information about the fluid velocity distribution and the atomizer’s internal flow. The numerical calculations confirmed the experimental data. This data was found based on the consistency of the spray angles obtained by both methods. Assuming the correctness of the numerical simulations performed, they can be treated as a tool for further analysis of mass and energy exchange along with the atomizer and optimizing the atomizer’s design depending on the requirements. The influence of the swirl chamber geometry on the obtained spraying effect was demonstrated. Increasing the swirl chamber’s height (increasing the HS/DS ratio) causes a decrease in the spray angle value. Moreover, the swirl chamber’s geometry influences the flow inside the atomizer, which determines the atomization effect.

Pages (from - to)

228 - 236





Advances in Design Simulation and Manufacturing IV. Proceedings of the 4th International Conference on Design, Simulation, Manufacturing: The Innovation Exchange, DSMIE-2021, June 8-11, 2021, Lviv, Ukraine - Volume 2: Mechanical and Chemical Engineering

Presented on

4th International Conference on Design, Simulation, Manufacturing: The Innovation Exchange, DSMIE-2021, 8-11.06.2021, Lviv, Ukraine

Ministry points / chapter


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