Multidimensional Modeling of SCR Systems via the Lattice Boltzmann Method

Vesselin Krastev; Giovanni Di Ilio; Gino Bella; Stefano Ubertini; Giacomo Falcucci

doi:10.4271/2019-24-0048

In this paper, we deploy a novel, multidimensional approach to simulate SCR reactors across physical scales. For the first time, a full 3D Lattice Boltzmann (LB) solver is developed, able to accurately capture the fluid dynamic phenomena taking place inside SCR reactors, as well as the catalytic conversion of NOx. The influence of engine load on exhaust gas mass flow rate and catalytic converter activity is taken into account. The proposed approach is computationally light and the results prove the reliability and versatility of the LB Method for the simulation of the complex phenomena that take place inside the after-treatment devices.

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Multidimensional Modeling of SCR Systems via the Lattice Boltzmann Method 2019-24-0048

SAE MOBILUS