Desenvolvimento e otimização de misturador estatico com o uso da fluidinamica computacional (C.F.D.) / Development and optimization of a statistic mixer with the use of computational fluid dynamics (C.F.D.)

AUTOR(ES)
DATA DE PUBLICAÇÃO

2008

RESUMO

On conventional mixing processes, a shaft rotates one or more impellers in a fluid generally inside a process vessel. The mixing processes that use static mixers on tube fluid flow are an option to conventional processes which application and interest is continuously growing, minimizing the use of equipment industrial devices. However its application is restricted to some specific processes because of technological reasons and mainly due to the lack or absence of acknowledgement of technicians and engineers about the physical phenomena involved on static mixing application. The absence of national technology on this field, demands foreign companies’ technological dependence, making more difficult more and turning expensive the applications. On the last decade, computational techniques have been used for the design and optimization of these equipments, known as static mixers, specially the computational fluid dynamics – CFD. This research has the goal, by using CFD techniques, to allow a better understanding of the phenomena that determine the fluid flow in static mixers specifically designed for this analysis, permitting to study and suggest modifications and solutions to increase mixing and minimize power consumption on the process. The CFD tool used was the CFX package. The results obtained permitted a good comprehension of the phenomena involved and were in accordance with experimental data available on literature review. Two new geometric concepts of static mixers were created, named EDA and ALETAS, whose performances allow their use on industrial applications.

ASSUNTO(S)

mistura (quimica) mixing fluidodinamica computacional (cfd) misturas statistic mixer computational fluid dynamic (cfd)

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