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Steven Ettema

Mr

Steven Ettema BEng

DPhil Student

COLLEGE: Magdalen

Biography

Steven graduated in civil engineering from the University of Queensland (Australia) with first-class honours. Since graduating Steven has worked as a consultant engineer undertaking numerical studies of coastal and estuarine environments to help improve the environmental response to coastal developments and determine the impact of climate change. His work at Oxford focuses on improving the performance of short tidal turbine fences by providing array scale confinement to the tidal flows.

Research Interests

Steven's work focuses on improving the performance and loading conditions on short tidal turbine fences through the exploitation of local blockage effects and flow loss mitigation strategies. This includes the development of turbine fence end-walls to reduce flow loss around fences and improve inflow alignment. His work has also examined outboard turbine yaw corrections. Steven is involved with numerical and physical testing of these devices and operation strategies, having been a part of towing tank and flow tank testing campaigns.

Publications

  1. ”Experimental investigation of the performance of a sidewall-constrained tidal turbine fence”, RENEW (2020)
  2. ”Experimental testing of the performance and interference effects of a cross-stream array of tidal turbines”, Developments in Renewable Energies Offshore (2020)
  3. ”Integrated aquaculture modelling to determine carrying capacity of aquaculture development zones in the Arabian Gulf”, Australasian Coasts and Ports (2019)
  4. ”Numerical modelling of dredging activities: Challenges and opportunities”, Australasian Port and Harbour Conference (2017)