Tese: Free Surface Flows with Complex Interfaces
Aluno(a) : Paulo Roberto de Castro Mendes JrOrientador(a): Márcio Carvalho
Área de Concentração: Termociências
Data: 15/05/2019
Link para tese/dissertação: http://doi.org/10.17771/PUCRio.acad.47292
Resumo: Several processes present free surfaces flows. Some of those processes go beyond engineering problems, including everyday issues like raindrops falling from the sky, water flowing down the river or through a faucet. In industry, we can cite extrusion flow and the coating process as two processes that are strongly affected by the behavior of the interface. The most commonly used free interface model was developed in the 19th century and describes as isotropic the behavior of interfaces and dependent on a single parameter called interfacial tension. Since then, advances in the area of interfacial rheology have been showing that the interfacial phenomena are more complex and accurate of more information to be modeled. In this line of thinking, this work suggests a further elaborate model to describe the interfacial behavior and analyzes the impact of this hypothesis in the two industrial processes mentioned above.