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Enhanced Oil Spill Clean-Up Using Immersed Thermally Conductive Objects

  • Kemal S. Arsava
  • Vasudevan Raghavan
  • Ali S. Rangwala
Article
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Abstract

A method for rapid burning of hazardous oil spills on water is investigated with the ultimate goal of designing a burner for faster clean-up of hazardous spills in offshore and other remote environments. A thermally conductive object, which comprises of a 0.25 cm thick copper porous mesh, with or without conical copper coils, is used. The influence of this object on the burning rate of an Alaska North Slope crude oil slick (1 cm thick) on saline water is studied. For the mesh-alone case, heat from flame is transferred to the mesh, which rapidly gets heated up and transmits the heat to the oil slick. This heat transfer is much higher than that in the baseline case. In the case with conical coils, which are engulfed in the flame, the heated up coils transfer the heat to the copper mesh more effectively. Thus, the object enhances the mass burning rate. Experimental results reveal that the copper mesh reaches a temperature higher than the boiling point of the oil, such that onset of nucleate boiling is possible. The mesh-coil system is able to burn thin slick of oil resting on water achieving an efficiency of ~ 400% above baseline. A simple integral model is also proposed to predict the temperature profiles in mesh, oil, and water layers. The predicted temperature profiles show good agreement with the experimental results. A parametric study using the integral model is also reported. The model can be used as a guideline to optimize the mesh porosity and thickness for different hazardous spill scenarios.

Keywords

Oil spill clean-up Pool fire Thermally conductive objects Nucleate boiling Integral model 

Notes

Acknowledgements

This study is funded by the Bureau of Safety and Environmental Enforcement, US Department of the Interior, Washington, D.C., under Contract Number E15PC00004. The contents do not necessarily reflect the views and policies of the BSEE, nor does mention of the trade names or commercial products constitute endorsement or recommendation for use.

Supplementary material

10694_2018_767_MOESM1_ESM.docx (80 kb)
Supplementary material 1 (DOCX 79 kb)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Kemal S. Arsava
    • 1
  • Vasudevan Raghavan
    • 2
  • Ali S. Rangwala
    • 3
  1. 1.Cold Regions Research and Engineering Laboratory (CRREL)US Army Corps of EngineersHanoverUSA
  2. 2.Department of Mechanical EngineeringIndian Institute of Technology MadrasChennaiIndia
  3. 3.Fire Protection EngineeringWorcester Polytechnic InstituteWorcesterUSA

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