Search Results - "Evans, G.M."

Interaction of bubbles rising inline in quiescent liquid by Gumulya, M., Utikar, R.P., Evans, G.M., Joshi, J.B., Pareek, V.

“…•Numerical study on the interaction of two inline bubbles rising in stagnant liquid.•Trailing bubble interacts with wake of the leading bubble and accelerates…”
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Long term forecasting of natural gas production by Mohr, S.H., Evans, G.M.

“…Natural gas is an important energy source for power generation, a chemical feedstock and residential usage. It is important to analyse the future production of…”
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Microstructure characterization and its relationship with impact toughness of C–Mn and high strength low alloy steel weld metals – a review by Jorge, J.C.F., Souza, L.F.G.de, Mendes, M.C., Bott, I.S., Araújo, L.S., Santos, V.R.dos, Rebello, J.M.A., Evans, G.M.

“…Prediction of impact toughness based on the microstructural characteristics of steel weld metals is complicated due to the innumerous parameters involved. The…”
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Characteristics of energy production and dissipation around a bubble rising in water by Gumulya, M., Joshi, J.B., Utikar, R.P., Evans, G.M., Pareek, V.

“…•Numerical study on the rise behaviour of 3–5 mm bubbles in water (Re = 800–1300).•Chains of hairpin vortices formed at the wake of the bubble, creating…”
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Long term prediction of unconventional oil production by Mohr, S.H., Evans, G.M.

“…Although considerable discussion surrounds unconventional oil's ability to mitigate the effects of peaking conventional oil production, very few models of…”
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Settling/rising of a foreign particle in solid-liquid fluidized beds: Application of dynamic mesh technique by Ghatage, Swapnil V., Shakhaoath Khan, Md, Peng, Zhengbiao, Doroodchi, Elham, Moghtaderi, Behdad, Padhiyar, Nitin, Joshi, Jyeshtharaj B., Evans, G.M., Mitra, S.

“…•Performed CFD simulations of solid liquid fluidised bed using Euler-Euler approach.•Used dynamic mesh for simulating the foreign particle motion.•3D…”
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Evaporation of a suspended binary mixture droplet in a heated flowing gas stream by Nguyen, Tuyen T.B., Mitra, Subhasish, Sathe, Mayur J., Pareek, Vishnu, Joshi, J.B., Evans, G.M.

“…[Display omitted] •Evaporation of binary mixture droplets in hot connective flow studied.•Droplet size reduction and temperature measured at gas velocity…”
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Mechanical and microstructural behavior of C-Mn steel weld deposits with varying titanium contents by Jorge, J.C.F., Bott, I.S., Souza, L.F.G., Mendes, M.C., Araújo, L.S., Evans, G.M.

“…The effect of micro-alloying on the microstructure of C-Mn steel weld metals has been extensively studied in the past and the effect of titanium, in…”
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Recent developments in experimental (PIV) and numerical (DNS) investigation of solid–liquid fluidized beds by Reddy, R.K., Sathe, M.J., Joshi, J.B., Nandakumar, K., Evans, G.M.

“…Particle image velocimetry measurements have been performed in a solid–liquid fluidized bed in the Reynolds number range 51–759. To do this, the refractive…”
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A DEM-based analysis of the influence of aggregate structure on suspension shear yield stress by Peng, Z.B., Doroodchi, E., Moghtaderi, B., Evans, G.M.

“…In this study, we employed the DEM technique to obtain a more realistic prediction of the aggregate structure and inter-particle forces, which were then used…”
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Attachment interaction between air bubbles and particles in froth flotation by Nguyen, A.V., Evans, G.M.

“…Direct quantitative measurements of the particle trajectories on the surface of an air bubble were obtained using a CCD high-speed video camera system. Rupture…”
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Predicting gas–liquid flow in a mechanically stirred tank by Lane, G.L., Schwarz, M.P., Evans, G.M.

“…Computational fluid dynamics (CFD) provides a method for investigating the highly complex fluid flow in mechanically stirred tanks. Although there are quite a…”
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Hydrodynamic interaction between an air bubble and a particle: atomic force microscopy measurements by Nguyen, A.V., Evans, G.M., Nalaskowski, J., Miller, J.D.

“…Study of interaction forces between solid particles and air bubbles is a key to understanding a range of technologically important phenomena, including the…”
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Dynamic adsorption of sodium dodecylbenzene sulphonate and dowfroth 250 onto the air–water interface by Phan, C.M., Nguyen, A.V., Evans, G.M.

“…Surface active agents (surfactants) are widely used to control the interfacial properties of the gas–liquid and liquid–1 interfaces in the froth flotation…”
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The cycle of bubble production from a gas cavity in a supersaturated solution by Jones, S.F., Evans, G.M., Galvin, K.P.

“…Bubble nucleation, classified according to the review by Jones et al. (Adv. Colloid Interface Sci. 80 (1999) 27–50) as type IV non-classical, was examined in…”
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Dynamic adsorption of beta-casein at the gas–liquid interface by Phan, C.M., Nguyen, A.V., Evans, G.M.

“…The dynamic adsorption of beta-casein onto the air–water interface was experimentally studied in terms of the dynamic surface tension using the pendant bubble…”
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Performance of confined plunging liquid jet bubble column as a gas–liquid reactor by Evans, G.M, Biń, A.K, Machniewski, P.M

“…The volumetric mass transfer coefficient in a confined plunging liquid jet (CPLJ) bubble column absorber was determined during a steady-state absorption of CO…”
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Numerical estimation of critical local energy dissipation rate for particle detachment from a bubble-particle aggregate captured within a confined vortex by Hoque, Mohammad Mainul, Doroodchi, E., Jameson, G.J., Evans, G.M., Mitra, Subhasish

“…[Display omitted] •Interaction of a bubble-particle aggregate with a confined vortex investigated.•An interface resolved 3D CFD model developed to quantify the…”
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Dynamics of bubbles rising in pseudo-2D bubble column: Effect of confinement and inertia by Gumulya, M., Utikar, R.P., Pareek, V.K., Evans, G.M., Joshi, J.B.

“…•Study on bubble rise in thin rectangular column (Re ~ 1000–1600, h/D = 1–2).•Bubble rise behaviour changes from chaotic spiral to zigzag due to…”
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Bubble Size Distribution and Void Fraction in the Wake Region Below a Ventilated Gas Cavity in Downward Pipe Flow by Evans, G.M., Machniewski, P.M., Biń, A.K.

“…The aim of this study was to develop a population balance model to predict the resultant bubble size distribution and gas void fraction in the wake region…”
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