Banca de QUALIFICAÇÃO: RODRIGO VIDAL CABRAL

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
DISCENTE : RODRIGO VIDAL CABRAL
DATA : 21/05/2021
HORA: 10:00
LOCAL: on-line, Sala Virtual
TÍTULO:

Two-dimensional study of turbulent flow with axially induced swirl in a cyclonic gas-liquid separation

PÁGINAS: 89
GRANDE ÁREA: Engenharias
ÁREA: Engenharia Mecânica
SUBÁREA: Fenômenos de Transporte
ESPECIALIDADE: Mecânica dos Fluídos
RESUMO:

There are several applications that use the flow mechanics with swirl, some examples in
engineering are the optimization of burning in combustion chambers, cyclonic separators,
intensifiers for heat exchange and turbomachine. Axial inlet cyclonic separators are required
in the production of oil and gas due to their in-line disposition and compact design. The
phenomena present in the swirling flow of an axial hydrocyclone is the object of study
of this master’s thesis with the objective of identify and reduce adverse phenomena for
liquid-gas separation. An approach via CFD was used using commercial software Ansys
Fluent. The computational domain is two-dimensional and discretized by a quadrilateral
mesh with a constant section. Laminar and turbulent studies were carried out to validate
the model used, both single-phase and isothermal. The fields of axial velocity and tangential
velocity, pressure field, intensity and swirl decay were explored. Another object of study
was the addition of an aerodynamic tail downstream of the separator as a way to mitigate
the adverse effects of the flow. Drag coefficient, shear stress and pressure pressure were
explored numerically in the tail, in addition to the pressure drop induced in the flow. The
third study carried out was the dynamics of a particle of gas dispersed in a continuous
phase of liquid, varying the diameter of the particles. The results obtained reached the
expectation of validation of the adopted model and presented fundamental results for the
continuity of the study.

MEMBROS DA BANCA:
Presidente - Interno ao Programa - 1065284 - ANDRE DAMIANI ROCHA
Membro Titular - Examinador(a) Interno ao Programa - 1604343 - KARL PETER BURR
Membro Titular - Examinador(a) Interno ao Programa - 1985515 - ANTONIO GARRIDO GALLEGO
Membro Suplente - Examinador(a) Externo ao Programa - 1744239 - CRISTINA AUTVORI TOMAZETI