Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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Oil Spill Simulation by Coupling Three-dimensional Hydrodynamic Model and Oil Spill Model

3차원 동수역학모형-유류확산모형 연계를 통한 유출유 거동 모의

  • Jung, Tae-Hwa (Department of Civil and Environmental Engineering, Hanbat National University) ;
  • Son, Sangyoung (School of Civil, Environmental and Architectural Engineering, Korea University)
  • 정태화 (한밭대학교 건설환경공학과) ;
  • 손상영 (고려대학교 건축사회환경공학부)
  • Received : 2018.10.08
  • Accepted : 2018.12.13
  • Published : 2018.12.31
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Abstract

In this study, a new numerical modeling system was proposed to predict oil spills, which increasingly occur at sea as a result of abnormal weather conditions such as global warming. The hydrodynamic conditions such as the flow velocity needed to calculate oil dispersion were estimated using a three dimensional hydrodynamic model based on the Navier-Stokes equation, which considered all of the physical variations in the vertical direction. This improved the accuracy compared to those estimated by the conventional shallow water equation. The advection-diffusion model for the spilled oil was combined with the hydrodynamic model to predict the movement and fate of the oil. The effects of absorption, weathering, and wind were also considered in the calculation process. The combined model developed in this study was then applied to various test cases to identify the characteristics of oil dispersion over time. It is expected that the developed model will help to establish initial response and disaster prevention plans in the event of a nearshore oil spill.

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References

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