An advanced, comprehensive thermochemical equilibrium model of a downdraft biomass gasifier (2022)
Journal Article
Ibrahim, A., Veremieiev, S., & Gaskell, P. (2022). An advanced, comprehensive thermochemical equilibrium model of a downdraft biomass gasifier. Renewable Energy, 194, https://doi.org/10.1016/j.renene.2022.05.069

A stoichiometric model is formulated for predicting the syngas yield from the reduction zone of a downdraft biomass gasifier. It incorporates the thermodynamic equilibrium of the global gasification reaction, predicts the concentration of the minor g... Read More about An advanced, comprehensive thermochemical equilibrium model of a downdraft biomass gasifier.

Gravity-driven film flow down a uniformly heated smoothly corrugated rigid substrate (2021)
Journal Article
Daly, G., Veremieiev, S., & Gaskell, P. (2022). Gravity-driven film flow down a uniformly heated smoothly corrugated rigid substrate. Journal of Fluid Mechanics, 930, Article A23. https://doi.org/10.1017/jfm.2021.920

Gravity induced film flow over a rigid smoothly corrugated substrate heated uniformly from below, is explored. This is achieved by reducing the governing equations of motion and energy conservation to a manageable form within the mathematical framewo... Read More about Gravity-driven film flow down a uniformly heated smoothly corrugated rigid substrate.

Steady bilayer channel and free-surface isothermal film flow over topography (2018)
Journal Article
Abdalla, A., Veremieiev, S., & Gaskell, P. (2018). Steady bilayer channel and free-surface isothermal film flow over topography. Chemical Engineering Science, 181, 215-236. https://doi.org/10.1016/j.ces.2018.01.031

Two flow configurations, involving bilayers, are explored systematically: through an inclined channel comprised of two planar surfaces in parallel alignment and down an inclined plane. Both liquid layers are assumed to be perfectly immiscible and the... Read More about Steady bilayer channel and free-surface isothermal film flow over topography.

Free Surface Thin Film Flow of a Sisko’s Fluid over a Surface Topography (2017)
Journal Article
Shah, R., Gaskell, P., & Veremieiev, S. (2017). Free Surface Thin Film Flow of a Sisko’s Fluid over a Surface Topography. Journal of applied fluid mechanics, 10(1), 307-317. https://doi.org/10.18869/acadpub.jafm.73.238.26727

The flow of a thin film down an inclined surface over topography is considered for the case of liquids with Sisko’s model viscosity. For the first time lubrication theory is used to reduce the governing equations to a non-linear evolution equation fo... Read More about Free Surface Thin Film Flow of a Sisko’s Fluid over a Surface Topography.

Free-surface film flow over topography: full three-dimensional finite element solutions (2015)
Journal Article
Veremieiev, S., Thompson, H., & Gaskell, P. (2015). Free-surface film flow over topography: full three-dimensional finite element solutions. Computers and Fluids, 122, 66-82. https://doi.org/10.1016/j.compfluid.2015.08.016

An efficient Bubnov-Galerkin finite element formulation is employed to solve the Navier-Stokes and continuity equations in three-dimensions for the case of surface-tension dominated film flow over substrate topography, with the free-surface location... Read More about Free-surface film flow over topography: full three-dimensional finite element solutions.

Modelling the flow of droplets of bio-pesticide on foliage (2014)
Journal Article
Veremieiev, S., Brown, A., Gaskell, P., Glass, C., Kapur, N., & Thompson, H. (2014). Modelling the flow of droplets of bio-pesticide on foliage. Interfacial phenomena and heat transfer, 2(1), 1-14. https://doi.org/10.1615/interfacphenomheattransfer.2014010162

The flow of droplets of bio-pesticide, liquid laden with entomapathogenic nematodes (EPNs), over foliage approximated as a planar substrate is investigated theoretically via a simple analytical model and computationally by solving a subset of the Nav... Read More about Modelling the flow of droplets of bio-pesticide on foliage.

Gravity-driven thin film flow: The influence of topography and surface tension gradient on rivulet formation (2012)
Journal Article
Slade, D., Veremieiev, S., Lee, Y., & Gaskell, P. (2013). Gravity-driven thin film flow: The influence of topography and surface tension gradient on rivulet formation. Chemical Engineering and Processing: Process Intensification, 68, 7-12. https://doi.org/10.1016/j.cep.2012.07.003

The evolution of an advancing fluid front formed by a gravity-driven thin film flowing down a planar substrate is considered, with particular reference to the presence of Marangoni stresses and/or surface topography. The system is modelled using lubr... Read More about Gravity-driven thin film flow: The influence of topography and surface tension gradient on rivulet formation.

Electrified thin film flow at finite Reynolds number on planar substrates featuring topography (2012)
Journal Article
Veremieiev, S., Thompson, H., Scholle, M., Lee, Y., & Gaskell, P. (2012). Electrified thin film flow at finite Reynolds number on planar substrates featuring topography. International Journal of Multiphase Flow, 44, 48-69. https://doi.org/10.1016/j.ijmultiphaseflow.2012.03.010

The flow of a gravity-driven thin liquid film over a substrate containing topography, in the presence of a normal electric field, is investigated. The liquid is assumed to be a perfect conductor and the air above it a perfect dielectric. Of particula... Read More about Electrified thin film flow at finite Reynolds number on planar substrates featuring topography.

Inertial two- and three-dimensional thin film flow over topography (2010)
Journal Article
Veremieiev, S., Thompson, H., Lee, Y., & Gaskell, P. (2011). Inertial two- and three-dimensional thin film flow over topography. Chemical Engineering and Processing: Process Intensification, 50(5-6), 537-542. https://doi.org/10.1016/j.cep.2010.08.008

The effect of inertia on gravity-driven thin film free-surface flow over substrates containing topography is considered. Flow is modelled using a depth-averaged form of the governing Navier–Stokes equations and the discrete analogue of the coupled eq... Read More about Inertial two- and three-dimensional thin film flow over topography.

Inertial thin film flow on planar surfaces featuring topography (2009)
Journal Article
Veremieiev, S., Thompson, H., Lee, Y., & Gaskell, P. (2010). Inertial thin film flow on planar surfaces featuring topography. Computers and Fluids, 39(3), 431-450. https://doi.org/10.1016/j.compfluid.2009.09.007

A range of problems is investigated, involving the gravity-driven inertial flow of a thin viscous liquid film over an inclined planar surface containing topographical features, modelled via a depth-averaged form of the governing unsteady Navier–Stoke... Read More about Inertial thin film flow on planar surfaces featuring topography.