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Sediment transport in high-energy, bore-type flows

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  • Full or part time
    Prof O'Donoghue
    Prof Pokrajac
  • Application Deadline
    Applications accepted all year round

Project Description

Dambreak-generated surge, post-breaking tsunami in shallow water and bore-driven swash on beaches are examples of environmental flows characterised by the sudden occurrence of high velocity, turbulent and aerated flow. Such flows can have major, often highly destructive impact on the beach or channel over which the flow propagates. Predicting erosion and sediment fluxes for such highly-unsteady flow conditions is very challenging but critically important for the prediction of, for example, beach response to high storm waves or the impact of a dambreak on downstream channel morphology. The PhD project will build on recent research at Aberdeen focused on hydrodynamics and sediment transport in dambreak-generated swash on beaches. The research will comprise experimental and numerical study. Its main focus will be on the sediment transport aspects, using detailed process-focused laboratory experiments to inform the development of better predictive models. The experiments will employ the excellent facilities and measurement capability within the Fluid Mechanics Laboratory at the University of Aberdeen.

The successful candidate should have, or expect to have an Honours Degree at 2.1 or above (or equivalent) in civil or mechanical engineering; other relevant physical science. An excellent first degree in engineering, or related discipline that includes fluid mechanics, will provide the essential knowledge.

Prior knowledge of the following would be beneficial but is not essential: sediment transport mechanics; shallow water flow modelling; laboratory measurements in fluid mechanics.

Funding Notes

There is no funding attached to this project, it is for self-funded students only.

References

Related publications from Aberdeen include:

Related publications from Aberdeen include:

1. Barnes, M.P., O’Donoghue, T., Alsina, J. and Baldock, T.E. (2009). Direct bed shear stress measurements in bore-driven swash, Coastal Engineering, 56, 853-867.
2. O’Donoghue, T., Pokrajac, D and Hondebrink, L.J. (2010). Laboratory and numerical study of dambreak-generated swash on impermeable slopes, Coastal Engineering, 57 (5), 513-530
3. Kikkert, G., O’Donoghue, T., Pokrajac, D. and N.Dodd (2012). Experimental study of bore-driven swash hydrodynamics on impermeable rough slopes, Coastal Engineering, 60 (1), 149-166.
4. Kikkert, G., Pokrajac, D., O’Donoghue, T. and K. Steenhauer (2013). Experimental study of bore-driven swash hydrodynamics on permeable rough slopes. Coastal Engineering, 79, 42-56.

Application Process:

Formal applications can be completed online: http://www.abdn.ac.uk/postgraduate/apply. You should apply for PhD in Engineering, to ensure that your application is passed to the correct College for processing. Please ensure that you quote the project title and supervisor on the application form.

Informal inquiries can be made to Professor T O'Donoghue ([email protected]) with a copy of your curriculum vitae and cover letter. All general enquiries should be directed to the Graduate School Admissions Unit ([email protected]).

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