Experimentally investigate the clustering behaviour of floating particles and its link to the underlying flow features, in free surfaces lightly deformed by subsurface turbulence.
Climate action and life below water are two of the UN Sustainable development goals for this decade, the UN Decade for Ocean Sciences and Ocean transport thus Ocean transport and pollution have been identified as one of the Grand Challenges in Environmental Fluid Mechanics by the scientific community. Pollutant dispersion in aquatic environments (and in particular oil and microplastic transport) is specifically singled out as the main focal point of action.
In this context, we are interested in the behaviour of floating particles in free surfaces lightly deformed by subsurface turbulence. The free surface deformation and the underlying turbulent fields have a direct influence on particle transport with strong particle clustering behaviour observed in the case of floating particles.
In this PhD project you will work on developing state-of-the-art experimental and analytical tools in order to establish links between turbulent features and floating particle behaviour. Results from this study will provide a benchmark supporting further research on this topic (effects of particle inertia and buoyancy, surface contamination, wave forcing). Both particle image velocimetry (PIV) and particle tracking velocimetry (PTV) will be employed; while PIV measurements will provide information on the subsurface turbulence features, Lagrangian tools are needed for accurate tracking of material transport, especially with respect to marine pollution.
As a PhD student, you will be part of a vibrant team of researchers in the Fluid Dynamics and Multiphase Systems groups, with diverse backgrounds and expertise. You will be supervised by Assistant prof. Angeliki Laskari and Prof. Christian Poelma from the Multiphase systems group. The group is part of the Process & Energy Department, which aspires to conduct world-class research & education focusing on process & energy technologies for sustainable development. The research is conducted from a deep understanding of the underlying physics and is oriented towards industrial applications and societal needs.
You should have the following qualifications:
- MSc. degree in mechanical, maritime, aerospace engineering, applied physics or a closely related field.
- Strong background in fluid mechanics, ideally with experimental experience.
- Strong mathematical/computational background (Matlab, Python).
- Fluent communication skills in English, both in written and oral.
Conditions of employment
TU Delft offers PhD-candidates a 4-year contract, with an official go/no go progress assessment after one year. Salary and benefits are in accordance with the Collective Labour Agreement for Dutch Universities, increasing from € 2395 per month in the first year to € 3061 in the fourth year. As a PhD candidate you will be enrolled in the TU Delft Graduate School. The TU Delft Graduate School provides an inspiring research environment with an excellent team of supervisors, academic staff and a mentor. The Doctoral Education Programme is aimed at developing your transferable, discipline-related and research skills.
The TU Delft offers a customisable compensation package, discounts on health insurance and sport memberships, and a monthly work costs contribution. Flexible work schedules can be arranged. For international applicants we offer the Coming to Delft Service and Partner Career Advice to assist you with your relocation.
TU Delft (Delft University of Technology)
Delft University of Technology is built on strong foundations. As creators of the world-famous Dutch waterworks and pioneers in biotech, TU Delft is a top international university combining science, engineering and design. It delivers world class results in education, research and innovation to address challenges in the areas of energy, climate, mobility, health and digital society. For generations, our engineers have proven to be entrepreneurial problem-solvers, both in business and in a social context. At TU Delft we embrace diversity and aim to be as inclusive as possible (see our Code of Conduct). Together, we imagine, invent and create solutions using technology to have a positive impact on a global scale.
Challenge. Change. Impact!
Faculty Mechanical, Maritime and Materials Engineering
The Faculty of 3mE carries out pioneering research, leading to new fundamental insights and challenging applications in the field of mechanical engineering. From large-scale energy storage, medical instruments, control technology and robotics to smart materials, nanoscale structures and autonomous ships. The foundations and results of this research are reflected in outstanding, contemporary education, inspiring students and PhD candidates to become socially engaged and responsible engineers and scientists. The faculty of 3mE is a dynamic and innovative faculty with an international scope and high-tech lab facilities. Research and education focus on the design, manufacture, application and modification of products, materials, processes and mechanical devices, contributing to the development and growth of a sustainable society, as well as prosperity and welfare.
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For more information about this project, please contact Dr. Angeliki Laskari, Assistant Professor, email: A.Laskari@tudelft.nl.
For information about the application procedure, please contact the recruitment assistant team, email: application-3mE@tudelft.nl.
Are you interested in this vacancy? Please apply by 1 July 2021 via the application button and upload:
- Motivation letter.
- Detailed CV.
- Names and contact information of two references.
A pre-employment screening can be part of the selection procedure.
You can apply online. We will not process applications sent by email and/or post.