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An Introduction to Computational Fluid Dynamics and Its Application in Microfluidics
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Author(s): João Lameu da Silva Júnior (Federal Institute of Education, Science and Technology of South of Minas Gerais, Brazil)
Copyright: 2019
Pages: 29
Source title:
Process Analysis, Design, and Intensification in Microfluidics and Chemical Engineering
Source Author(s)/Editor(s): Harrson Silva Santana (University of Campinas, Brazil), João Lameu da Silva Jr (Federal Institute of Education, Science, and Technology of South of Minas Gerais, Brazil)and Osvaldir Pereira Taranto (University of Campinas, Brazil)
DOI: 10.4018/978-1-5225-7138-4.ch002
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Abstract
The chapter aims to introduce the computational fluid dynamics (CFD). A review was provided, outlining its development and applications on chemical engineering and microfluidics. The fundamental points of the CFD, listing the advantages and precautions of this numerical technique were provided. The description of CFD methodology including the three essential stages (pre-processing, solving, and post-processing) was made. The fundamental transport equations—total mass (continuity), momentum, energy, and species mass balances—and the usual boundary conditions used in CFD were explained. The main approaches used in multicomponent single-phase flows, single-phase flow in porous media, and multiphase flows in microscale were detailed, as well as the numerical mesh types and its quality parameters. A brief introduction of finite volume method (FVM) used by most of the available CFD codes was also performed, describing the main numerical solution features. Finally, the conclusions and future prospects of CFD applications are exposed.
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