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Home / Graduate Studies / Research Areas / Fluid Sciences

Fluid Sciences

Professor N. Ashgriz
Atomization and Sprays:  The high velocity breakup of a liquid mass into small droplets is called "atomization" and the aggregate of all drops formed is referred to as a "spray". Atomization and sprays are used in a wide variety of industries.  Some specific applications are spray combustion in furnaces and gas turbines, spray drying and cooling, powdered metallurgy, spray-painting and coating, inhalation therapy, and many others.  Our objective is to develop a better understanding of the mechanisms involved in the atomization process.  Our approach to this problem is both computational and experimental.  In the computational part we are working on free surface flow modeling of the liquid-gas interfaces in turbulent flow conditions.  In the experimental part, we are using the-state-of-the-art instrumentations to investigate the mechanism of the droplet formation from various spray nozzles.

Professor M. Bussmann
Free surface and interfacial flow modelling, including the development and implementation of algorithms, and the application of such to various phenomena.  Interface tracking algorithms, and the accompanying calculation of surface tension and capillary effects, are of particular interest.  Applications include droplet phenomena:  impact onto surfaces, splashing, solidification, the behaviour of contact lines, and the effect of viscoelasticity; and materials processes:  thermal spray, planar flow casting, and polymer melt processing.

Professor S. Chandra
Experimental studies on fluid flow during impact of liquid drops on a solid surface. Photographic analysis ofdroplets of water, hydrocarbon fuels, wax and molten tin impinging on solid substrates.

Professor I.G. Currie
Experimental, numerical and analytical studies on flow-induced vibrations in single-phase fluid flows.  Applications include the aerodynamic stability of overhead power conductors as well as the stability of objects which are immersed in liquid or gas flows in general.

Professor D.F. James
Research on the flow of complex fluids such as pulp suspensions, paints, synovial fluids, polymer melts and shampoos.  Fundamental studies to understand the peculiar flow behaviour of these fluids.  Development of instrumentation to characterize their fluid properties. Experimental and analytical research on fluid elasticity.  Analysis of flow resistance in porous media.  Statistical mechanics of polymers and particles in flowing fluids.

Professor D. Steinman
Computational and experimental studies are carried out on physiologically-relevant internal flows which feature strong secondary flow features, unsteadiness, and transition to turbulence. Emphasis is also placed on the visualization of CFD data in meaningful manners.

Professor P.E. Sullivan
The investigation of coherent structures on mixing and transport in turbulent flows, using both experimental and analytical techniques.  The experimental work uses rakes of multiple hotwires, Laser Doppler Anemometry and Particle Image Velocimetry.  Application to an engine to determine the influence of coherent structure on combustion, as well as a three-dimensional wall jet to determine the influence of structure on the anisotropic growth rate.

Professor M.J. Thomson
Mixing in turbulent reacting flows; computational and experimental studies of enclosed jets.

Faculty of Applied Science and Engineering | University of Toronto
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