Publications

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Journals

  • Ouedraogo, N. F., & Essel, E. E. (2024). Effects of Reynolds number on the wake characteristics of a notchback Ahmed body. Journal Fluids Engineering, FE-23-1588 (in-press).
  • Ouedraogo, N. F., & Essel, E. E. (2023). Unsteady wake interference of unequal-height tandem cylinders mounted in a turbulent boundary layer. Journal of Fluid Mechanics, 977, A52.
  • Essel, E. E., Balachandar, R., & Tachie, M. F. (2023). Effects of sheltering on the unsteady wake dynamics of tandem cylinders mounted in a turbulent boundary layer. Journal of Fluid Mechanics. 954, A40.
  • Kim, M., Essel, E. E., & Sullivan, P. E. (2022). Effect of varying frequency of a synthetic jet on flow separation over an airfoil. Physics of Fluids, 34(1), 015122.
  • Kang, N., Essel, E. E., Roussinova, V., & Balachandar, R. (2021). Effects of approach flow conditions on the unsteady three-dimensional wake structure of a square-back Ahmed body. Physical Review Fluids, 6(3), 034613.
  • Essel, E. E., Tachie, M. F., & Balachandar, R. (2021) Time-resolved wake dynamics of finite wall-mounted circular cylinders submerged in a turbulent boundary layer. Journal of Fluid Mechanics, 917, A8.
  • Essel, E. E., Das, S., & Balachandar, R. (2020). Effects of rear angle on the turbulent wake flow between two in-line Ahmed bodies. Atmosphere, 11(4), 328.
  • Essel, E. E., & Tachie, M. F. (2017). Upstream roughness and Reynolds number effects on turbulent flow structure over forward facing step. International Journal of Heat and Fluid Flow, 66, 226-242.
  • Essel, E. E., Nematollahi, A., Thacher, E. W., & Tachie, M. F. (2015). Effects of upstream roughness and Reynolds number on separated and reattached turbulent flow. Journal of Turbulence, 16(9), 872-899.
  • Essel, E. E., & Tachie, M. F. (2015). Roughness effects on turbulent flow downstream of a backward facing step. Flow, turbulence and combustion, 94(1), 125-153.

Conferences

  • Ouedraogo, N. F., Chhetri, A., & Essel, E. E. (2024, June) Spacing ratio effects on the unsteady wake dynamics of unequal-height tandem circular cylinders, In 13th International Symposium on Turbulence and Shear Flow Phenomena (TSFP), Montreal, Canada.
  • Ouedraogo, N. F., Cyrus, A. E., & Essel, E. E. (2023, November) Effects of Reynolds number on the asymmetric wake characteristics of a notchback Ahmed body, In 76th Annual Meeting of the American Physical Society’s Division of Fluid Dynamics (APS DFD), Washington DC, USA.
  • Agyei-Agyemang K. H., Essel E. E., and Tachie, M. F. (2023, September) Effects of aspect ratio on flow characteristics on free surface-mounted rectangular cylinders. In the 10th International Symposium on Turbulence, Heat and Mass Transfer (THMT), Rome, Italy.
  • Essel, E. E. (2022, November) Unsteady wake characteristics of unequal-height tandem cylinders submerged in a turbulent boundary layer, In 75th Annual Meeting of the American Physical Society’s Division of Fluid Dynamics (APS DFD), Indianapolis, USA.
  • Mosavati, M., Essel, E. E., Barron, R. M., Balachandar, R. (2022, April) Effects of inter-vehicle spacing on the flow structure around two in-line Ahmed bodies, In 7th ASTFE Thermal and fluids engineering conference, Las Vegas, USA.
  • Essel, E. E., Mali, S., Thacher, E. W., and Tachie, M. F. (2014, September) Upstream roughness effects on reattached turbulent flow over forward facing step. In 10th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM), Marbella, Spain.
  • Essel, E. E., Sharkey, L. R., and Tachie, M. F. (2014, September) Turbulent shear flow past a square cylinder adjacent to smooth and rough walls. In 10th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM), Marbella, Spain.
  • Essel, E. E., Thacher, E. W., and Tachie, M. F. (2014, August) PIV investigation of Reynolds number effects on a closed channel. In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting, Chicago, USA: V01DT27A005.
  • Essel, E. E., Sharkey, L., and Tachie, M. F. (2014, August) Effects of gap ratio on flow past a square cylinder. In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting, Chicago, USA: V002T11A004.
  • Essel, E. E., Atamanchuk, K., D’Auteuil, S., and Tachie, M. F. (2014, August) Low Reynolds number effect on open channel flow over a rib. In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting, Chicago, USA: V01CT16A010.
  • Afriyie, Y. Y., Essel, E. E., Thacher, E. W., and Tachie, M. F. (2014, August) Roughness effect downstream of flow over a forward-facing step. In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting, Chicago, USA: V01DT27A007.
  • Essel, E. E., and Tachie, M. F. (2013, June) Experimental study of separated and reattached turbulent flow over rough walls. In 8th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics (ExHFT), Lisbon, Portugal.
  • Essel, E. E., Tay, G. F. K., and Tachie, M. F. (2013, August) Roughness effects on turbulent shear flow downstream of a backward facing step. In 8th International Symposium on Turbulence and Shear Flow Phenomena (TSFP), Poitiers, France.
  • Essel, E. E., Agelin-chaab, M., and Tachie, M. F. (2013, June) Backward facing step flow in adverse pressure gradient. In 24th Canadian Congress of Applied Mechanics (CANCAM), Saskatoon, Canada.

Journals

  • Ho, H. H., Essel, E. E., & Sullivan, P. E. (2024). Improving three-dimensional synthetic jet modeling in a crossflow. Journal Fluids Engineering, 146(3), 031302.
  • Ho, H. H., Essel, E. E., & Sullivan, P. E. (2022). The interactions of a circular synthetic jet with a turbulent crossflow. Physics of Fluids, 34(7), 075108.
  • Kim, M., Essel, E. E., & Sullivan, P. E. (2022). Effect of varying frequency of a synthetic jet on flow separation over an airfoil. Physics of Fluids, 34(1), 015122.
  • Essel, E. E., Roussinova, V., & Balachandar, R. (2020). Free surface effects on spanwise turbulent structure in the far-field of submerged jets. Physics of Fluids, 32(3), 035108.
  • Essel, E. E., & Tachie, M. F. (2018). Submerged turbulent twin jets interacting with a free surface and a solid wall. International Journal of Heat and Fluid Flow, 71, 27-38.
  • Rahman, M. S., Tay, G. F. K., Essel, E. E., & Tachie, M. F. (2018). Effects of offset height on the turbulent characteristics of a surface attaching jet. International Journal of Heat and Fluid Flow, 71, 305-321.
  • Essel, E. E., & Tachie, M. F. (2017). Flow characteristics of submerged twin jets interacting with free surface. AIAA Journal, 55(10), 3622-3625.
  • Essel, E. E., Tachie, M. F., Agelin-Chaab, M., Koupriyanov, M., & Tully, B. (2013). Particle image velocimetry measurements in curved turbulent jets produced from a slot diffuser. Experimental thermal and fluid science, 49, 169-184.

Conferences

  • Drummond, L., Banh, H., Ouedraogo, N. F., Ho, H. H., & Essel, E. E. (2023, November) Effects of nozzle convergence angle on the flow characteristics of a synthetic circularjet in a crossflow, In 76th Annual Meeting of the American Physical Society’s Division of Fluid Dynamics (APS DFD), Washington DC, USA.
  • Ho, H. H., Essel, E. E., & Sullivan, P. E. (2023, November) Enhanced Modelling of 3D Synthetic Jet Actuators in Crossflow, In 76th Annual Meeting of the American Physical Society’s Division of Fluid Dynamics (APS DFD), Washington DC, USA.
  • Essel, E. E., Cui D., and Tachie M. F. (2017, July) Submerged turbulent twin jets interacting with a free surface and a solid wall. In 10th International Symposium on Turbulence and Shear Flow Phenomena (TSFP), Swissotel, Chicago-IL, USA.
  • Essel, E. E., and Tachie, M. F. (2016, July) Turbulence structure in free-surface twin jets’, In IMA Conference on Turbulence, Waves and Mixing (In Honour of Lord Julian Hunt’s 75th Birthday), Cambridge, UK.
  • Essel, E. E., Laban, A., Mali, S., and Tachie, M. F. (2016, June) Turbulent characteristics of submerged twin jets. In 46th AIAA Fluid Dynamics Conference, Washington D.C., USA: 4251.
  • Essel, E. E., Laban, A., Rahman, M., and Tachie, M.F. (2016, June) Turbulent structure of submerged twin jets. In 46th AIAA Fluid Dynamics Conference, Washington D.C., USA: 4252.
  • Essel, E. E., Tachie, M. F., Agelin-Chaab, M., Ampadu-Mintah, A. A., Koupriyanov, M., and Tully, B. (2012, September) Experimental study of turbulent flow in a slot diffuser. In 7th International Symposium on Turbulence, Heat and Mass Transfer (THMT), Palermo, Italy.
  • Essel, E. E., Tachie, M. F., Agelin-Chaab, M., Koupriyanov, M., and Tully, B. (2012, June) An experimental study of plane free jet from a vertical slot diffuser. In Canadian Society for Mechanical Engineering (CSME) Conference, Winnipeg, Canada, 4-6.

Journals

  • Murray, A., Essel, E., & Dow, K. (2022). Particle image velocimetry investigation of void seepage through a simulated ice jam. Cold Regions Science and Technology, 196, 103493.
  • Essel, E. E., Clark, S. P., Dow, K., & Tachie, M. F. (2021). Experimental and numerical investigation of three-dimensional open channel with simulated partial ice-covers. Journal of Hydraulic Research, 59(6), 977-988.
  • Nyantekyi-Kwakye, B., Essel, E. E., Dow, K., Clark, S. P., & Tachie, M. F. (2021). Hydraulic and turbulent flow characteristics beneath a simulated partial ice-cover. Journal of Hydraulic Research, 59(3), 392-403.

Conferences

  • Essel E. E., Nyantekyi-Kwakye B., Dow K., Tachie M. F. and Clark S. P. (2019, May) Laboratory study of turbulent flow in open channels with partial ice-cover. In 20th Workshop on the Hydraulics of Ice-Covered Rivers, Ottawa, Ontario, Canada.
  • Murray A., Essel E. E., Dow K. (2019, May) Laboratory investigation of void seepage and flow under simulated ice jams. In 20th Workshop on the Hydraulics of Ice-Covered Rivers, Ottawa, Ontario, Canada.
  • Nyantekyi-Kwakye, B., Essel, E. E., Clark, S., and Tachie, M. F. (2014, August) Experimental study of shallow open channel turbulent flows over rough walls. In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting, Chicago, USA: V01CT16A011.
  • Essel, E. E., Nyantekyi-Kwakye, B., Clark, S., and Tachie, M. F. (2013, May) PIV study of shallow open channel turbulent flows over rough beds. In 21st Canadian Hydrotechnical Conference, Banff, Canada.

Conference

  • Khodr J., Essel E.E., and Sullivan P.E. (2022, August). Vortex identification in large eddy simulations under the Lattice Boltzmann framework with a Smagorinsky subgrid model. In ASME Fluids Engineering Division Summer Meeting, Toronto, Canada.
  • Khodr J., Essel E.E., and Sullivan P.E. (2022, August). Visualization of coherent structures in a three-dimensional lid-driven cavity at high Reynolds Number. In ASME Fluids Engineering Division Summer Meeting, Toronto, Canada.
  • Mali, S., Nematollahi, A., Essel, E. E., and Tachie, M. F. (2015, May-June) Experimental and numerical study of flow characteristics through a gradual contraction. In 25th Canadian Congress of Applied Mechanics, London, Ontario, Canada.