Project title	Research student
Faster than real-time modelling of building aware urban atmospheric dispersion.	Ankith DAS
A Coupled Navier-Stokes Solver for the Fast Calculaction of Steady-State Urban Flows	Mark GEORGE
Field-Based Experimental Investigation of Turbulent Mixing within Thermally Stratified Channel Flow	Shanil JAYAWARDENA
Plume transport in turbulent urban flows: the effects of natural convection and vegetation models	Isadora MONTENEGRO BUGARIN

Publications

By Type

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Journals

Issaev, V., Armfield, S., Williamson, N. (2025). Bulk Flow Parameterization of Temporally Evolving Turbulent Stratified Open Channel Flow Subject to Radiative Heating. Journal of Hydraulic Engineering (New York), 151(1), 04024053. [More Information]
George, M., Williamson, N., Armfield, S. (2024). A coupled block implicit solver for the incompressible Navier–Stokes equations on collocated grids. Computers and Fluids, 284, 106426. [More Information]
Ke, J., Armfield, S., Williamson, N. (2024). Non-Oberbeck-Boussinesq effects on the linear stability of a vertical natural convection boundary layer. Journal of Fluid Mechanics, 988, A44. [More Information]
Dong, L., Lin, W., Armfield, S., Kirkpatrick, M., Williamson, N., Khatamifar, M. (2023). Direct numerical simulation of “fountain filling box” flow with a confined weak laminar plane fountain. Heat Transfer, 52(1), 193-215. [More Information]
Nguyen, D., Kirkpatrick, M., Williamson, N., Armfield, S., Lin, W. (2023). Effect of Thermal Stratification in Meandering Turbulent Open-Channel Flow with Varying Sinuosity. Journal of Hydraulic Engineering (New York), 149(9). [More Information]
Issaev, V., Williamson, N., Armfield, S. (2023). Intermittency and critical mixing in internally heated stratified channel flow. Journal of Fluid Mechanics, 963. [More Information]
Milton-McGurk, L., Williamson, N., Armfield, S. (2023). Predicting radial profiles for jets with arbitrary buoyancy. Journal of Fluid Mechanics, 956. [More Information]
Milton-McGurk, L., Williamson, N., Armfield, S., Kirkpatrick, M. (2022). Characterising entrainment in fountains and negatively buoyant jets. Journal of Fluid Mechanics, 939, A29. [More Information]
Nguyen, D., Kirkpatrick, M., Williamson, N., Armfield, S., Lin, W. (2022). Effects of meander curvature in thermally stratified turbulent open-channel flow. Physics of Fluids, 34(9). [More Information]
Talluru, K., Williamson, N., Armfield, S. (2022). Entrainment and dilution in a fountain top. Journal of Fluid Mechanics, 941. [More Information]
Issaev, V., Williamson, N., Armfield, S., Norris, S. (2022). Parameterization of mixing in stratified open channel flow. Journal of Fluid Mechanics, 935, A17. [More Information]
Nguyen, D., Kirkpatrick, M., Williamson, N., Armfield, S., Lin, W. (2022). Turbulence structure in a very sharp thermally stratified open-channel meander. Physics of Fluids, 34(3). [More Information]
Kaye, N., Williamson, N., Huang, D., Armfield, S. (2021). Buoyancy distribution in a filling box segmented by a planar jet. Environmental Fluid Mechanics, 21, 239-261. [More Information]
Milton-McGurk, L., Williamson, N., Armfield, S., Kirkpatrick, M., Talluru, K. (2021). Entrainment and structure of negatively buoyant jets. Journal of Fluid Mechanics, 911, A21. [More Information]
Ke, J., Williamson, N., Armfield, S., Komiya, A., Norris, S. (2021). High Grashof number turbulent natural convection on an infinite vertical wall. Journal of Fluid Mechanics, 929, 4525-4534. [More Information]
Zhou, L., Armfield, S., Williamson, N., Kirkpatrick, M., Lin, W. (2021). Natural convection in a cavity with time-dependent flux boundary. International Journal of Heat and Fluid Flow, 92, 108887. [More Information]
Kirkpatrick, M., Williamson, N., Armfield, S., Zecevic, V. (2020). Destratification of thermally stratified turbulent open-channel flow by surface cooling. Journal of Fluid Mechanics, 829, A29-36. [More Information]
Milton-McGurk, L., Williamson, N., Armfield, S., Kirkpatrick, M. (2020). Experimental investigation into turbulent negatively buoyant jets using combined PIV and PLIF measurements. International Journal of Heat and Fluid Flow, 82, 1-8. [More Information]
Ke, J., Williamson, N., Armfield, S., Norris, S., Komiya, A. (2020). Law of the wall for a temporally evolving vertical natural convection boundary layer. Journal of Fluid Mechanics, 902, 1-33. [More Information]
Zhou, L., Armfield, S., Williamson, N., Kirkpatrick, M., Lin, W. (2020). Natural convection in a cavity with time-varying thermal forcing on a sidewall. International Journal of Heat and Mass Transfer, 150, 1-11. [More Information]
Talluru, K., Armfield, S., Williamson, N., Kirkpatrick, M., Milton-McGurk, L. (2020). Turbulence structure of neutral and negatively buoyant jets. Journal of Fluid Mechanics, 909, 1-26. [More Information]
Inam, M., Lin, W., Williamson, N., Armfield, S., He, Y. (2019). Characteristics of unsteadiness for transitional plane fountains in linearly stratified fluids. International Communications in Heat and Mass Transfer, 100(January 2019), 83-97. [More Information]
Huang, D., Williamson, N., Armfield, S. (2019). Entrainment in pulsing plumes. Experiments in Fluids: experimental methods and their applications to fluid flow, 60(8), 1-10. [More Information]
Kirkpatrick, M., Williamson, N., Armfield, S., Zecevic, V. (2019). Evolution of thermally stratified turbulent open channel flow after removal of the heat source. Journal of Fluid Mechanics, 876, 356-412. [More Information]
Ke, J., Williamson, N., Armfield, S., McBain, G., Norris, S. (2019). Stability of a temporally evolving natural convection boundary layer on an isothermal wall. Journal of Fluid Mechanics, 877, 1163-1185. [More Information]
Williamson, N., Kirkpatrick, M., Armfield, S. (2018). Entrainment across a sheared density interface in a cavity flow. Journal of Fluid Mechanics, 835, 999-1021. [More Information]
Williamson, N., Kobayashi, T., Outhet, D., Bowling, L. (2018). Survival of cyanobacteria in rivers following their release in water from large headwater reservoirs. Harmful Algae, 75, 1-15. [More Information]
Williamson, N., Kirkpatrick, M., Armfield, S., Norris, S. (2016). Convectively unstable turbulent open channel flow with stable surface stratification. ANZIAM Journal, 56, C246-C261. [More Information]
Williamson, N., Armfield, S., Lin, W., Kirkpatrick, M. (2016). Stability and Nusselt number scaling for inclined differentially heated cavity flow. International Journal of Heat and Mass Transfer, 97, 787-793. [More Information]
Williamson, N., Armfield, S., Kirkpatrick, M., Lin, W. (2015). Bifurcation of natural convection flow in an inclined differentially heated closed square cavity. Computational Thermal Sciences, 7(5-6), 417-425. [More Information]
Williamson, N., Armfield, S., Kirkpatrick, M., Norris, S. (2015). Transition to stably stratified states in open channel flow with radiative surface heating. Journal of Fluid Mechanics, 766, 528-555. [More Information]
Williamson, N., Armfield, S., Kirkpatrick, M., Norris, S. (2013). A canonical model for stratified flow in estuaries and rivers. ANZIAM Journal, 54, C88-C101. [More Information]
Williamson, N., Norris, S., Armfield, S., Kirkpatrick, M. (2012). Lateral circulation in a stratified open channel on a 120 degree bend. Water Resources Research, 48(12), 1-11. [More Information]
Kirkpatrick, M., Armfield, S., Williamson, N. (2012). Shear driven purging of negatively buoyant fluid from trapezoidal depressions and cavities. Physics of Fluids, 24(2), 1-25. [More Information]
Williamson, N., Armfield, S., Kirkpatrick, M. (2012). Transition to oscillatory flow in a differentially heated cavity with a conducting partition. Journal of Fluid Mechanics, 693(25 February 2012), 93-114. [More Information]
Williamson, N., Armfield, S., Lin, W. (2011). Forced turbulent fountain flow behaviour. Journal of Fluid Mechanics, 671, 535-558. [More Information]
Williamson, N., Armfield, S. (2011). Stability characteristics of conjugate natural convection boundary layers. ANZIAM Journal, 52, C696-C709. [More Information]
Armfield, S., Williamson, N., Kirkpatrick, M., Street, R. (2010). A divergence free fractional-step method for the Navier-Stokes equations on non-staggered grids. ANZIAM Journal, 51, C654-C667.
Nagarathinam, S., Williamson, N., Armfield, S., Lin, W. (2010). Line fountain behavior at low-Reynolds number. International Journal of Heat and Mass Transfer, 53(9-10), 2065-2073. [More Information]
Williamson, N., Armfield, S., Lin, W. (2010). Transition behaviour of weak turbulent fountains. Journal of Fluid Mechanics, 655, 306-326. [More Information]
Williamson, N., Komiya, A., Maruyama, S., Behnia, M., Armfield, S. (2009). Nutrient Transport from an Artificial Upwelling of Deep Sea Water. Journal of Oceanography, 65(3), 349-359. [More Information]
Williamson, N., Behnia, M., Armfield, S. (2008). Comparison of a 2D axisymmetric CFD model of a natural draft wet cooling tower and a 1D model. International Journal of Heat and Mass Transfer, 51, 2227-2236. [More Information]
Williamson, N., Armfield, S., Lin, W. (2008). Direct numerical simulation of turbulent intermediate Froude number fountain flow. ANZIAM Journal, 50, C16-C30. [More Information]
Williamson, N., Nagarathinam, S., Armfield, S., McBain, G., Lin, W. (2008). Low-Reynolds-number fountain behaviour. Journal of Fluid Mechanics, 608, 297-317. [More Information]
Williamson, N., Armfield, S., Behnia, M. (2008). Numerical Simulation of Flow in a Natural Draft Wet Cooling Tower - the Effect of Radial Thermofluid Fields. Applied Thermal Engineering, 28(2-3), 178-189. [More Information]
Williamson, N., Behnia, M., Armfield, S. (2008). Thermal optimization of a natural draft wet cooling tower. International Journal of Energy Research, 32(14), 1349-1361. [More Information]
Williamson, N., Bansal, P. (2003). Feasibility of air cycle systems for low-temperature refrigeration applications with heat recovery. Institution of Mechanical Engineers. Proceedings. Part E, 217(3), 267-273. [More Information]

show 44 more

Conferences

Huang, D., Williamson, N., Armfield, S. (2018). Entrainment in Pulsing Plumes. 21st Australasian Fluid Mechanics Conference (AFMC 2018), Adelaide: Australasian Fluid Mechanics Society.
Milton-McGurk, L., Williamson, N., Armfield, S., Kirkpatrick, M. (2018). Experimental investigation into turbulent negatively buoyant jets using combined PIV and LIF measurements. 21st Australasian Fluid Mechanics Conference (AFMC 2018), Adelaide: Australasian Fluid Mechanics Society.
Dong,, L., Lin,, W., Armfield, S., Kirkpatrick, M., Williamson, N., Zhao,, D. (2018). Filling box flow with weak plane fountain: The effect of the Reynolds and Prandtl numbers. The 21st Australasian Fluid Mechanics Conference, : IEEE Computer Society.
Zhou, L., Armfield, S., Williamson, N., Kirkpatrick, M., Lin, W. (2018). Natural convection stratification and scaling in a cavity with unsteady sidewall heating. 3rd International Conference on Mechanical Engineering, ICOME 2017, Melville, NY: American Institute of Physics Inc. [More Information]
Zhou, L., Armfield, S., Williamson, N., Kirkpatrick, M., Lin, W. (2016). Transient Natural Convection Flow in a Cavity Subject to Time-Varying Sidewall Heating and Cooling. 20th Australasian Fluid Mechanics Conference (AFMC 2016), Perth: Australasian Fluid Mechanics Society.
Williamson, N., Kirkpatrick, M., Armfield, S., Starner, S. (2014). Entrainment Across a Sharp Density Interface in a Sheared Cavity Flow. 19th Australasian Fluid Mechanics Conference, : SPIE.
Armfield, S., Kirkpatrick, M., Williamson, N., Lin, W. (2014). Natural Convection in an Inclined Differentially Heated Square Cavity. 15th International Heat Transfer Conference (IHTC 2014), Kyoto: Begell House Inc. [More Information]
Armfield, S., Williamson, N., Lin, W., Kirkpatrick, M. (2014). Nusselt Number Scaling in an Inclined Differentially Heated Square Cavity. 19th Australasian Fluid Mechanics Conference, : SPIE.
Kirkpatrick, M., Williamson, N., Starner, S., Armfield, S. (2014). Sheared Turbulent Convection of a Buoyant Fluid from a Horizontal Porous Plate. 19th Australasian Fluid Mechanics Conference, : SPIE.
Kirkpatrick, M., Starner, S., Williamson, N., Armfield, S. (2012). A New Experimental Rig for Investigations of Sheared Convective Boundary Layers. 18th Australasian Fluid Mechanics Conference AFMC 2012, Launceston, Tasmania: Australasian Fluid Mechanics Society.
Williamson, N., Norris, S., Armfield, S., Kirkpatrick, M. (2012). Secondary flow in stratified open channel flow on a bend. 18th Australasian Fluid Mechanics Conference AFMC 2012, Launceston, Tasmania: Australasian Fluid Mechanics Society.
Williamson, N., Armfield, S., Kirkpatrick, M. (2011). The stability of conjugate natural convection boundary layers on a conducting vertical partition in an open or closed rectangular cavity. 9th Australasian Heat and Mass Transfer Conference - 9AHMTC, Melbourne, Australia: Australasian Fluid and Thermal Engineering Society (AFTES).
Williamson, N., Armfield, S., Lin, W. (2010). Entrainment in turbulent fountain flow. 17th Australasian Fluid Mechanics Conference, Auckland, New Zealand: University of Auckland.
Williamson, N., Armfield, S. (2010). The stability of conjugate natural convection boundary layers. 17th Australasian Fluid Mechanics Conference, Auckland, New Zealand: University of Auckland.
Komiya, A., Williamson, N., Nagarathinam, S., Behnia, M., Armfield, S., Maruyama, S. (2008). Visualization of Upwelled Saline Flow and its Transition Behaviour from Steady to Oscillatory regimes. The 19th International Symposium on Transport Phenomena (ISTP-19), Iceland: University of Iceland, Faculty of Industrial Engineering, Mechanical Engineering and Computer Science.
Williamson, N., Nagarathinam, S., Armfield, S., McBain, G., Lin, W. (2007). Characterisation of Low Reynolds Number Fountain Behaviour. 16th Australasian Fluid Mechanics Conference AFMC 2007, Australia: University of Queensland.
Williamson, N., Kirkpatrick, M., Armfield, S., Behnia, M. (2007). Sub-Filter Scale Models for Scalar Transport in Large Eddy Simulations. 16th Australasian Fluid Mechanics Conference AFMC 2007, Australia: University of Queensland.
Williamson, N., Armfield, S., Behnia, M. (2007). The Importance of Inlet Height to the Performance of a Natural Draft Wet Cooling Tower. 8th Australasian Heat and Mass Transfer Conference (8th AHMTC 2005), Redding, Connecticut, United States: Begell House Inc.
Williamson, N., Al-Waked, R., Behnia, M., Armfield, S. (2007). Thermal Performance of Natural Draft Cooling Towers. The Eighteenth International Symposium on Transport Phenomena (ISTP-18), Korea: Korean Society of Mechanical Engineers (KSME), Pacific Center of Thermal-Fluids Engineering (PCTFE).
Williamson, N., Behnia, M., Armfield, S. (2005). Numerical Simulation of Heat and Mass Transfer in a Natural Draft Wet Cooling Tower and Comparisons with Existing One-Dimensional Methods. 4th International Conference on Heat Transfer, Fluid Mechanics, and Thermodynamics : HEFAT 2005, Cairo, Egypt: Taylor and Francis.
Williamson, N., Behnia, M., Armfield, S. (2005). Optimal Annular Fill and Water Flow Rate Profile in a Natural Draft. Flow Dynamics: the Second International Conference on Flow Dynamics (AIP 2005), USA: American Institute of Physics.
Williamson, N., Behnia, M., Armfield, S. (2004). Numerical Simulation Of Heat And Mass Transfer In A Natural Draft Wet Cooling Tower. 15th Australasian Fluid Mechanics Conference AFMC 2004, Australia: University of Sydney.
Williamson, N., Al-Waked, R., Behnia, M., Armfield, S. (2004). Simulation Of Heat And Mass Transfer Inside Natural Draft Wet Cooling Towers Under Cross-Wind Conditions. 3rd International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT 2004), Philadelphia: Taylor and Francis.

show 20 more

By Year

Expand all

2025

Issaev, V., Armfield, S., Williamson, N. (2025). Bulk Flow Parameterization of Temporally Evolving Turbulent Stratified Open Channel Flow Subject to Radiative Heating. Journal of Hydraulic Engineering (New York), 151(1), 04024053. [More Information]

2024

George, M., Williamson, N., Armfield, S. (2024). A coupled block implicit solver for the incompressible Navier–Stokes equations on collocated grids. Computers and Fluids, 284, 106426. [More Information]
Ke, J., Armfield, S., Williamson, N. (2024). Non-Oberbeck-Boussinesq effects on the linear stability of a vertical natural convection boundary layer. Journal of Fluid Mechanics, 988, A44. [More Information]

2023

Dong, L., Lin, W., Armfield, S., Kirkpatrick, M., Williamson, N., Khatamifar, M. (2023). Direct numerical simulation of “fountain filling box” flow with a confined weak laminar plane fountain. Heat Transfer, 52(1), 193-215. [More Information]
Nguyen, D., Kirkpatrick, M., Williamson, N., Armfield, S., Lin, W. (2023). Effect of Thermal Stratification in Meandering Turbulent Open-Channel Flow with Varying Sinuosity. Journal of Hydraulic Engineering (New York), 149(9). [More Information]
Issaev, V., Williamson, N., Armfield, S. (2023). Intermittency and critical mixing in internally heated stratified channel flow. Journal of Fluid Mechanics, 963. [More Information]
Milton-McGurk, L., Williamson, N., Armfield, S. (2023). Predicting radial profiles for jets with arbitrary buoyancy. Journal of Fluid Mechanics, 956. [More Information]

show 1 more

2022

Milton-McGurk, L., Williamson, N., Armfield, S., Kirkpatrick, M. (2022). Characterising entrainment in fountains and negatively buoyant jets. Journal of Fluid Mechanics, 939, A29. [More Information]
Nguyen, D., Kirkpatrick, M., Williamson, N., Armfield, S., Lin, W. (2022). Effects of meander curvature in thermally stratified turbulent open-channel flow. Physics of Fluids, 34(9). [More Information]
Talluru, K., Williamson, N., Armfield, S. (2022). Entrainment and dilution in a fountain top. Journal of Fluid Mechanics, 941. [More Information]
Issaev, V., Williamson, N., Armfield, S., Norris, S. (2022). Parameterization of mixing in stratified open channel flow. Journal of Fluid Mechanics, 935, A17. [More Information]
Nguyen, D., Kirkpatrick, M., Williamson, N., Armfield, S., Lin, W. (2022). Turbulence structure in a very sharp thermally stratified open-channel meander. Physics of Fluids, 34(3). [More Information]

show 2 more

2021

Kaye, N., Williamson, N., Huang, D., Armfield, S. (2021). Buoyancy distribution in a filling box segmented by a planar jet. Environmental Fluid Mechanics, 21, 239-261. [More Information]
Milton-McGurk, L., Williamson, N., Armfield, S., Kirkpatrick, M., Talluru, K. (2021). Entrainment and structure of negatively buoyant jets. Journal of Fluid Mechanics, 911, A21. [More Information]
Ke, J., Williamson, N., Armfield, S., Komiya, A., Norris, S. (2021). High Grashof number turbulent natural convection on an infinite vertical wall. Journal of Fluid Mechanics, 929, 4525-4534. [More Information]
Zhou, L., Armfield, S., Williamson, N., Kirkpatrick, M., Lin, W. (2021). Natural convection in a cavity with time-dependent flux boundary. International Journal of Heat and Fluid Flow, 92, 108887. [More Information]

show 1 more

2020

Kirkpatrick, M., Williamson, N., Armfield, S., Zecevic, V. (2020). Destratification of thermally stratified turbulent open-channel flow by surface cooling. Journal of Fluid Mechanics, 829, A29-36. [More Information]
Milton-McGurk, L., Williamson, N., Armfield, S., Kirkpatrick, M. (2020). Experimental investigation into turbulent negatively buoyant jets using combined PIV and PLIF measurements. International Journal of Heat and Fluid Flow, 82, 1-8. [More Information]
Ke, J., Williamson, N., Armfield, S., Norris, S., Komiya, A. (2020). Law of the wall for a temporally evolving vertical natural convection boundary layer. Journal of Fluid Mechanics, 902, 1-33. [More Information]
Zhou, L., Armfield, S., Williamson, N., Kirkpatrick, M., Lin, W. (2020). Natural convection in a cavity with time-varying thermal forcing on a sidewall. International Journal of Heat and Mass Transfer, 150, 1-11. [More Information]
Talluru, K., Armfield, S., Williamson, N., Kirkpatrick, M., Milton-McGurk, L. (2020). Turbulence structure of neutral and negatively buoyant jets. Journal of Fluid Mechanics, 909, 1-26. [More Information]

show 2 more

2019

Inam, M., Lin, W., Williamson, N., Armfield, S., He, Y. (2019). Characteristics of unsteadiness for transitional plane fountains in linearly stratified fluids. International Communications in Heat and Mass Transfer, 100(January 2019), 83-97. [More Information]
Huang, D., Williamson, N., Armfield, S. (2019). Entrainment in pulsing plumes. Experiments in Fluids: experimental methods and their applications to fluid flow, 60(8), 1-10. [More Information]
Kirkpatrick, M., Williamson, N., Armfield, S., Zecevic, V. (2019). Evolution of thermally stratified turbulent open channel flow after removal of the heat source. Journal of Fluid Mechanics, 876, 356-412. [More Information]
Ke, J., Williamson, N., Armfield, S., McBain, G., Norris, S. (2019). Stability of a temporally evolving natural convection boundary layer on an isothermal wall. Journal of Fluid Mechanics, 877, 1163-1185. [More Information]

show 1 more

2018

Williamson, N., Kirkpatrick, M., Armfield, S. (2018). Entrainment across a sheared density interface in a cavity flow. Journal of Fluid Mechanics, 835, 999-1021. [More Information]
Huang, D., Williamson, N., Armfield, S. (2018). Entrainment in Pulsing Plumes. 21st Australasian Fluid Mechanics Conference (AFMC 2018), Adelaide: Australasian Fluid Mechanics Society.
Milton-McGurk, L., Williamson, N., Armfield, S., Kirkpatrick, M. (2018). Experimental investigation into turbulent negatively buoyant jets using combined PIV and LIF measurements. 21st Australasian Fluid Mechanics Conference (AFMC 2018), Adelaide: Australasian Fluid Mechanics Society.
Dong,, L., Lin,, W., Armfield, S., Kirkpatrick, M., Williamson, N., Zhao,, D. (2018). Filling box flow with weak plane fountain: The effect of the Reynolds and Prandtl numbers. The 21st Australasian Fluid Mechanics Conference, : IEEE Computer Society.
Zhou, L., Armfield, S., Williamson, N., Kirkpatrick, M., Lin, W. (2018). Natural convection stratification and scaling in a cavity with unsteady sidewall heating. 3rd International Conference on Mechanical Engineering, ICOME 2017, Melville, NY: American Institute of Physics Inc. [More Information]
Williamson, N., Kobayashi, T., Outhet, D., Bowling, L. (2018). Survival of cyanobacteria in rivers following their release in water from large headwater reservoirs. Harmful Algae, 75, 1-15. [More Information]

show 3 more

2016

Williamson, N., Kirkpatrick, M., Armfield, S., Norris, S. (2016). Convectively unstable turbulent open channel flow with stable surface stratification. ANZIAM Journal, 56, C246-C261. [More Information]
Williamson, N., Armfield, S., Lin, W., Kirkpatrick, M. (2016). Stability and Nusselt number scaling for inclined differentially heated cavity flow. International Journal of Heat and Mass Transfer, 97, 787-793. [More Information]
Zhou, L., Armfield, S., Williamson, N., Kirkpatrick, M., Lin, W. (2016). Transient Natural Convection Flow in a Cavity Subject to Time-Varying Sidewall Heating and Cooling. 20th Australasian Fluid Mechanics Conference (AFMC 2016), Perth: Australasian Fluid Mechanics Society.

2015

Williamson, N., Armfield, S., Kirkpatrick, M., Lin, W. (2015). Bifurcation of natural convection flow in an inclined differentially heated closed square cavity. Computational Thermal Sciences, 7(5-6), 417-425. [More Information]
Williamson, N., Armfield, S., Kirkpatrick, M., Norris, S. (2015). Transition to stably stratified states in open channel flow with radiative surface heating. Journal of Fluid Mechanics, 766, 528-555. [More Information]

2014

Williamson, N., Kirkpatrick, M., Armfield, S., Starner, S. (2014). Entrainment Across a Sharp Density Interface in a Sheared Cavity Flow. 19th Australasian Fluid Mechanics Conference, : SPIE.
Armfield, S., Kirkpatrick, M., Williamson, N., Lin, W. (2014). Natural Convection in an Inclined Differentially Heated Square Cavity. 15th International Heat Transfer Conference (IHTC 2014), Kyoto: Begell House Inc. [More Information]
Armfield, S., Williamson, N., Lin, W., Kirkpatrick, M. (2014). Nusselt Number Scaling in an Inclined Differentially Heated Square Cavity. 19th Australasian Fluid Mechanics Conference, : SPIE.
Kirkpatrick, M., Williamson, N., Starner, S., Armfield, S. (2014). Sheared Turbulent Convection of a Buoyant Fluid from a Horizontal Porous Plate. 19th Australasian Fluid Mechanics Conference, : SPIE.

show 1 more

2013

Williamson, N., Armfield, S., Kirkpatrick, M., Norris, S. (2013). A canonical model for stratified flow in estuaries and rivers. ANZIAM Journal, 54, C88-C101. [More Information]

2012

Kirkpatrick, M., Starner, S., Williamson, N., Armfield, S. (2012). A New Experimental Rig for Investigations of Sheared Convective Boundary Layers. 18th Australasian Fluid Mechanics Conference AFMC 2012, Launceston, Tasmania: Australasian Fluid Mechanics Society.
Williamson, N., Norris, S., Armfield, S., Kirkpatrick, M. (2012). Lateral circulation in a stratified open channel on a 120 degree bend. Water Resources Research, 48(12), 1-11. [More Information]
Williamson, N., Norris, S., Armfield, S., Kirkpatrick, M. (2012). Secondary flow in stratified open channel flow on a bend. 18th Australasian Fluid Mechanics Conference AFMC 2012, Launceston, Tasmania: Australasian Fluid Mechanics Society.
Kirkpatrick, M., Armfield, S., Williamson, N. (2012). Shear driven purging of negatively buoyant fluid from trapezoidal depressions and cavities. Physics of Fluids, 24(2), 1-25. [More Information]
Williamson, N., Armfield, S., Kirkpatrick, M. (2012). Transition to oscillatory flow in a differentially heated cavity with a conducting partition. Journal of Fluid Mechanics, 693(25 February 2012), 93-114. [More Information]

show 2 more

2011

Williamson, N., Armfield, S., Lin, W. (2011). Forced turbulent fountain flow behaviour. Journal of Fluid Mechanics, 671, 535-558. [More Information]
Williamson, N., Armfield, S. (2011). Stability characteristics of conjugate natural convection boundary layers. ANZIAM Journal, 52, C696-C709. [More Information]
Williamson, N., Armfield, S., Kirkpatrick, M. (2011). The stability of conjugate natural convection boundary layers on a conducting vertical partition in an open or closed rectangular cavity. 9th Australasian Heat and Mass Transfer Conference - 9AHMTC, Melbourne, Australia: Australasian Fluid and Thermal Engineering Society (AFTES).

2010

Armfield, S., Williamson, N., Kirkpatrick, M., Street, R. (2010). A divergence free fractional-step method for the Navier-Stokes equations on non-staggered grids. ANZIAM Journal, 51, C654-C667.
Williamson, N., Armfield, S., Lin, W. (2010). Entrainment in turbulent fountain flow. 17th Australasian Fluid Mechanics Conference, Auckland, New Zealand: University of Auckland.
Nagarathinam, S., Williamson, N., Armfield, S., Lin, W. (2010). Line fountain behavior at low-Reynolds number. International Journal of Heat and Mass Transfer, 53(9-10), 2065-2073. [More Information]
Williamson, N., Armfield, S. (2010). The stability of conjugate natural convection boundary layers. 17th Australasian Fluid Mechanics Conference, Auckland, New Zealand: University of Auckland.
Williamson, N., Armfield, S., Lin, W. (2010). Transition behaviour of weak turbulent fountains. Journal of Fluid Mechanics, 655, 306-326. [More Information]

show 2 more

2009

Williamson, N., Komiya, A., Maruyama, S., Behnia, M., Armfield, S. (2009). Nutrient Transport from an Artificial Upwelling of Deep Sea Water. Journal of Oceanography, 65(3), 349-359. [More Information]

2008

Williamson, N., Behnia, M., Armfield, S. (2008). Comparison of a 2D axisymmetric CFD model of a natural draft wet cooling tower and a 1D model. International Journal of Heat and Mass Transfer, 51, 2227-2236. [More Information]
Williamson, N., Armfield, S., Lin, W. (2008). Direct numerical simulation of turbulent intermediate Froude number fountain flow. ANZIAM Journal, 50, C16-C30. [More Information]
Williamson, N., Nagarathinam, S., Armfield, S., McBain, G., Lin, W. (2008). Low-Reynolds-number fountain behaviour. Journal of Fluid Mechanics, 608, 297-317. [More Information]
Williamson, N., Armfield, S., Behnia, M. (2008). Numerical Simulation of Flow in a Natural Draft Wet Cooling Tower - the Effect of Radial Thermofluid Fields. Applied Thermal Engineering, 28(2-3), 178-189. [More Information]
Williamson, N., Behnia, M., Armfield, S. (2008). Thermal optimization of a natural draft wet cooling tower. International Journal of Energy Research, 32(14), 1349-1361. [More Information]
Komiya, A., Williamson, N., Nagarathinam, S., Behnia, M., Armfield, S., Maruyama, S. (2008). Visualization of Upwelled Saline Flow and its Transition Behaviour from Steady to Oscillatory regimes. The 19th International Symposium on Transport Phenomena (ISTP-19), Iceland: University of Iceland, Faculty of Industrial Engineering, Mechanical Engineering and Computer Science.

show 3 more

2007

Williamson, N., Nagarathinam, S., Armfield, S., McBain, G., Lin, W. (2007). Characterisation of Low Reynolds Number Fountain Behaviour. 16th Australasian Fluid Mechanics Conference AFMC 2007, Australia: University of Queensland.
Williamson, N., Kirkpatrick, M., Armfield, S., Behnia, M. (2007). Sub-Filter Scale Models for Scalar Transport in Large Eddy Simulations. 16th Australasian Fluid Mechanics Conference AFMC 2007, Australia: University of Queensland.
Williamson, N., Armfield, S., Behnia, M. (2007). The Importance of Inlet Height to the Performance of a Natural Draft Wet Cooling Tower. 8th Australasian Heat and Mass Transfer Conference (8th AHMTC 2005), Redding, Connecticut, United States: Begell House Inc.
Williamson, N., Al-Waked, R., Behnia, M., Armfield, S. (2007). Thermal Performance of Natural Draft Cooling Towers. The Eighteenth International Symposium on Transport Phenomena (ISTP-18), Korea: Korean Society of Mechanical Engineers (KSME), Pacific Center of Thermal-Fluids Engineering (PCTFE).

show 1 more

2005

Williamson, N., Behnia, M., Armfield, S. (2005). Numerical Simulation of Heat and Mass Transfer in a Natural Draft Wet Cooling Tower and Comparisons with Existing One-Dimensional Methods. 4th International Conference on Heat Transfer, Fluid Mechanics, and Thermodynamics : HEFAT 2005, Cairo, Egypt: Taylor and Francis.
Williamson, N., Behnia, M., Armfield, S. (2005). Optimal Annular Fill and Water Flow Rate Profile in a Natural Draft. Flow Dynamics: the Second International Conference on Flow Dynamics (AIP 2005), USA: American Institute of Physics.

2004

Williamson, N., Behnia, M., Armfield, S. (2004). Numerical Simulation Of Heat And Mass Transfer In A Natural Draft Wet Cooling Tower. 15th Australasian Fluid Mechanics Conference AFMC 2004, Australia: University of Sydney.
Williamson, N., Al-Waked, R., Behnia, M., Armfield, S. (2004). Simulation Of Heat And Mass Transfer Inside Natural Draft Wet Cooling Towers Under Cross-Wind Conditions. 3rd International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT 2004), Philadelphia: Taylor and Francis.

2003

Williamson, N., Bansal, P. (2003). Feasibility of air cycle systems for low-temperature refrigeration applications with heat recovery. Institution of Mechanical Engineers. Proceedings. Part E, 217(3), 267-273. [More Information]

Selected Grants

2022

Dynamics of Suppressed Mixing Regimes in Australian Rivers, Armfield S, Mitrovic S, Kirkpatrick M, Williamson N, Australian Research Council (ARC)/Discovery Projects (DP)
Large Scale Natural Convection Boundary Layers with Non-Boussinesq Effects, Armfield S, Lei C, Williamson N, Australian Research Council (ARC)/Discovery Projects (DP)

2016

Entrainment and Mixing in Turbulent Negatively Buoyant Jets and Fountains, Armfield S, Williamson N, Lin W, Kirkpatrick M, Australian Research Council (ARC)/Discovery Projects (DP)

2015

Thermal stratification, overturning and mixing in riverine environments, Kirkpatrick M, Williamson N, Lin W, Armfield S, Australian Research Council (ARC)/Discovery Projects (DP)

2013

Direct Local Entrainment Measurements of Two Layer Stratified Shear Flows in River Bends, Williamson N, DVC Research/Bridging Support Fellowship

2011

Purging and destratifying of thermal and saline pools in Australias inland rivers, Williamson N, Australian Research Council (ARC)/Discovery Projects (DP)

2009

Mixing in stratified channel flow, Williamson N, DVC Research/Bridging Support Grant

Faculty of Engineering

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Associate Professor Nicholas Williamson

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2009

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$2.3 million to support industry partnerships for 21 projects