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Dr Nicholas Williamson

Post-doctoral Fellow

J07 - Mechanical Engineering Building
The University of Sydney

Telephone +61 2 9351 3098
Fax +61 2 9351 7060

Selected grants

2011

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

2010

  • Mixing in stratified channel flow; Williamson N; DVC Research/Bridging Support Grant.
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Selected publications

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Journals

  • 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, 1-11.
  • 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.
  • 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.
  • Williamson, N., Armfield, S., Lin, W. (2011). Forced turbulent fountain flow behaviour. Journal of Fluid Mechanics, 671, 535-558.
  • Williamson, N., Armfield, S. (2011). Stability characteristics of conjugate natural convection boundary layers. ANZIAM Journal, 52, C318-C331.
  • 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.
  • Williamson, N., Armfield, S., Lin, W. (2010). Transition behaviour of weak turbulent fountains. Journal of Fluid Mechanics, 655, 306-326.
  • 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.
  • 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.
  • Williamson, N., Armfield, S., Lin, W. (2008). Direct numerical simulation of turbulent intermediate Froude number fountain flow. The A N Z I A M Journal, 50, C16-C30.
  • Williamson, N., Nagarathinam, S., Armfield, S., McBain, G., Lin, W. (2008). Low-Reynolds-number fountain behaviour. Journal of Fluid Mechanics, 608, 297-317.
  • 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.
  • 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.
  • 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.

Conferences

  • 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 (AIP).
  • 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.

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, 1-11.
  • 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.
  • 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.

2011

  • Williamson, N., Armfield, S., Lin, W. (2011). Forced turbulent fountain flow behaviour. Journal of Fluid Mechanics, 671, 535-558.
  • Williamson, N., Armfield, S. (2011). Stability characteristics of conjugate natural convection boundary layers. ANZIAM Journal, 52, C318-C331.
  • 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.
  • 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.

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.

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.
  • Williamson, N., Armfield, S., Lin, W. (2008). Direct numerical simulation of turbulent intermediate Froude number fountain flow. The A N Z I A M Journal, 50, C16-C30.
  • Williamson, N., Nagarathinam, S., Armfield, S., McBain, G., Lin, W. (2008). Low-Reynolds-number fountain behaviour. Journal of Fluid Mechanics, 608, 297-317.
  • 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.
  • 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.
  • 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.

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).

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 (AIP).

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.
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