Modeling the thermophoretic impact on nanoparticle production in an enclosed FSP reactor

Autor(es)

Neto, Pedro Bianchi ; Buss, Lizoel ; Stodt, Malte F. B. ; Fritsching, Udo ; Noriler, Dirceu

• Tipo de documento: Artigo Científico
• Fonte: APPLICATIONS IN ENERGY AND COMBUSTION SCIENCE; v. 15, p. 13-pg., 2023-09-01.

Resumo

For the accurate modeling and simulation of the flame spray pyrolysis (FSP) process, all the essential phenomena need to be taken into account. A validated model could then be used for process optimization and design with reasonably reduced costs. In that sense, this work uses a combination of computational fluid dynamics (CFD) and a population balance model (PBM) to investigate the influence of thermophoresis and other parameters (related to sintering and turbulent particle diffusion) in the final produced particle size. This work simulates the flame spray using CFD under an Eulerian-Lagrangian framework. Furthermore, a monodisperse solver for a bivariate PBM is implemented into ANSYS Fluent to simulate the formation and evolution of nanoparticles inside the reactor. We investigate the production of zirconium dioxide (ZrO2) nanoparticles and use experimental data from the literature for model validation. The model produces accurate results for some of the investigated cases. (AU)

• Processo FAPESP: 20/08502-9 - Avanço na modelagem e simulação da produção de nanopartículas via FSP
• Beneficiário: Pedro Bianchi Neto
• Modalidade de apoio: Bolsas no Brasil - Doutorado
• Processo FAPESP: 21/01067-8 - Simulação de turbulência em largas escalas e modelo decomposição para produção de nanopartículas via pirólise em spray flamejante
• Beneficiário: Dirceu Noriler
• Modalidade de apoio: Auxílio à Pesquisa - Regular