| Grant number: | 11/13930-0 |
| Support Opportunities: | Regular Research Grants |
| Start date: | February 01, 2012 |
| End date: | February 28, 2014 |
| Field of knowledge: | Engineering - Mechanical Engineering - Transport Phenomena |
| Principal Investigator: | Gilcilene Sanchez de Paulo |
| Grantee: | Gilcilene Sanchez de Paulo |
| Host Institution: | Faculdade de Ciências e Tecnologia (FCT). Universidade Estadual Paulista (UNESP). Campus de Presidente Prudente. Presidente Prudente , SP, Brazil |
| City of the host institution: | Presidente Prudente |
Abstract
This research project proposes to obtain numerical results for complex unsteady free surface flows considering FENE-P viscoelastic fluid. The governing equations for transient incompressible flows using the FENE-P fluid will be solved by the finite difference method on a staggered grid. The fluid will be modelled by a Marker-and-Cell type method and an accurate representation of the fluid surface will be employed. The full free surface stress conditions will be considered. The FENE-P equation will besolved by a high order method, which requires the calculation of the extra-stress tensor onthe mesh contours. Indeed, an implicit treatment to solve the momentum equation and the pressure equation will be employed. To validate the numerical technique developed in this work flow predictions for fully developed pipe flow are compared with an analytic solution or experimental. Then, results of complexfree surface flows using the FENE-P fluid, such as, {jet buckling} and {dieswell}, will be presented in the cases 2D and 3D. (AU)
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