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Advanced numerical multiphase flow modeling

Grant number: 18/08752-5
Support Opportunities:Scholarships abroad - Research
Effective date (Start): August 01, 2018
Effective date (End): July 31, 2019
Field of knowledge:Engineering - Mechanical Engineering - Transport Phenomena
Principal Investigator:Gustavo Carlos Buscaglia
Grantee:Gustavo Carlos Buscaglia
Host Investigator: Pablo Marcelo Carrica
Host Institution: Instituto de Ciências Matemáticas e de Computação (ICMC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Research place: University of Iowa, United States  
Associated research grant:13/07375-0 - CeMEAI - Center for Mathematical Sciences Applied to Industry, AP.CEPID


This project aims at developing advanced models for multiphase flow that account for cavitation effects in liquids with a disperse gas phase. The modeling framework to be developed is basedon an Eulerian multifluid and multigroup approach for the polydisperse bubble-liquidmixture, coupled with the Rayleigh-Plesset equation for the individual bubble dynamics. The host researcher (Prof. Carrica) has done seminal contributions in the area and is now workingon the issue as part of a coordinated effort to reduce uncertainty in technological applications of CFD. Though Eulerian multifluid models already exist, the fast transients with large volume changes that take place in cavitation are outside their range of validity. The problem to be addressed is of great interest for the simulation of many technological systems that range from ship hydrodynamics, especially propellers, to lubricated joints and bearings. During the stay, a parallel project will be launched with Prof. David Stewart on the modeling of biological flows. Specifically, Prof. Stewart's group aims at developing and justifying a model for mucus flow in the airways, an importantissue in certain diseases such as cystic fibrosis.

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Scientific publications (7)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BAPPY, MEHEDI; CARRICA, PABLO M.; BUSCAGLIA, GUSTAVO C.. Lagrangian statistics of pressure fluctuation events in homogeneous isotropic turbulence. Physics of Fluids, v. 31, n. 8, . (18/08752-5)
PAZ, STEVENS; BUSCAGLIA, GUSTAVO C.. Simulating squirmers with volumetric solvers. Journal of the Brazilian Society of Mechanical Sciences and Engineering, v. 42, n. 10, p. 27-pg., . (13/07375-0, 14/14720-8, 18/08752-5)
BAPPY, MEHEDI H.; CARRICA, PABLO M.; VELA-MARTIN, ALBERTO; FREIRE, LIVIA S.; BUSCAGLIA, GUSTAVO C.. Pressure statistics of gas nuclei in homogeneous isotropic turbulence with an application to cavitation inception. Physics of Fluids, v. 32, n. 9, p. 13-pg., . (18/08752-5, 18/24284-1)
JARAMILLO, ALFREDO; BUSCAGLIA, GUSTAVO C.. An extended Elrod-Adams model to account for backpressure and blow-by inception. TRIBOLOGY INTERNATIONAL, v. 140, . (13/07375-0, 18/08752-5)
JARAMILLO, ALFREDO; BUSCAGLIA, GUSTAVO C.. A stable numerical strategy for Reynolds-Rayleigh-Plesset coupling. TRIBOLOGY INTERNATIONAL, v. 130, p. 191-205, . (13/07375-0, 18/08752-5)
MEACCI, LUCA; BUSCAGLIA, GUSTAVO C.; MUT, FERNANDO; AUSAS, ROBERTO F.; PRIMICERIO, MARIO. A new two-component approach in modeling red blood cells. COMMUNICATIONS IN APPLIED AND INDUSTRIAL MATHEMATICS, v. 11, n. 1, p. 55-71, . (13/07375-0, 18/08752-5)
MEACCI, LUCA; PRIMICERIO, MARIO; BUSCAGLIA, GUSTAVO CARLOS. Growth of tumours with stem cells: The effect of crowding and ageing of cells. PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, v. 570, . (18/08752-5, 14/50889-7)

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