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PhD Position (Experimental) Air-Knife Turbulent Jet Impingement on a Liquid Zinc Surface
Provide fundamental insights into an air turbulent jet impinging on a liquid surface, using state-of-the-art experimental techniques. That’s your challenge as a PhD candidate at TU Delft. Want to help make the steel industry more sustainable? Check out the job post!
Contribute to groundbreaking research into air-knife technology as a PhD candidate at TU Delft. In this role, you will provide fundamental insights into turbulent multi-phase flows.
Accelerating the development of air-knife technology by providing fundamental insights into turbulent multi-phase flows: are you up for the challenge? As a PhD candidate at TU Delft, you’ll conduct impactful research while growing your own skills. Interested? Apply now!
Job description
A 4-year PhD position is available in the research group of Prof. Dr. Sasa Kenjeres at the Department of Chemical Engineering, Delft University of Technology (TU Delft), The Netherlands.
A common method to protect steel against corrosion is the application of a protective zinc layer. This process is called galvanizing. Tata Steel Netherlands currently produces over half a million tons of galvanized steel per year, all of which is produced via the hot-dip galvanizing process. In hot-dip galvanizing, air knives blow a high-velocity gas jet onto a steel strip to control the thickness of the zinc layer. The interaction between the turbulent air jet and the liquid zinc is a potential cause of coating irregularities (waviness) and rejection of the final product. In this project, we will apply combined experimental, theoretical, and computer simulation studies to bring detailed insight into the dynamics of the interactions between the air-jet and the solidifying liquid zinc. A better understanding of these interactions will open new ways to eliminate observed imperfections.
You will focus on the experimental part of the project, which involves the construction and build-up of experimental setups, as well as performing state-of-the-art measurements (PIV-based) of the multi-phase flows. This project is part of the Holland High Tech program, and you will closely collaborate with our industrial partners (M2i, Tata Steel).
Job requirements
You are a recent graduate looking to use your experimental skills to provide understanding of complex multi-phase phenomena and optimize industrial processes. With your pioneering mindset and hands-on experimental experience, you will be able to tackle this challenging problem.
You also have:
An MSc in a relevant subject, such as Applied Physics, Chemical Engineering, Mechanical Engineering, Aerospace Engineering, or a related field
Proven experience with experimental techniques (previous experience with PIV is a must)
A keen interest in interdisciplinary, curiosity-driven, and applied research
Fluency in English and enjoyment of working in an international research environment
A team-working mentality, as well as the capability to work efficiently individually
Excellent communication skills
TU Delft (Delft University of Technology)
Working at TU Delft means contributing to solutions that really make a difference.
For over 180 years, we have been training engineers who make an impact worldwide in companies, government bodies, or as entrepreneurs. Our alumni turn knowledge into concrete solutions for the challenges of today and tomorrow.
These challenges are changing rapidly. That is why we focus on themes such as energy, climate, digitalisation, artificial intelligence (AI), and smart mobility every day. Our education and research are directly aligned with what society needs now and in the future.
At TU Delft, our people make the difference. With their knowledge and curiosity, our staff provide a high-quality education and conduct pioneering research that extends beyond the campus. You will have the opportunity to take the initiative, work with others, and grow as a professional.
Working at TU Delft means join an international community of professionals and students. Together, we create knowledge, innovations, and solutions that help move the world forward.
Faculty Applied Sciences
With more than 1,100 employees, including 150 pioneering principal investigators, as well as a population of about 3,600 passionate students, the Faculty of Applied Sciences is an inspiring scientific ecosystem. Focusing on key enabling technologies, such as quantum- and nanotechnology, photonics, biotechnology, synthetic biology and materials for energy storage and conversion, our faculty aims to provide solutions to important problems of the 21st century. To that end, we educate innovative students in broad Bachelor's and specialist Master's programmes with a strong research component. Our scientists conduct ground-breaking fundamental and applied research in the fields of Life and Health Science & Technology, Nanoscience, Chemical Engineering, Radiation Science & Technology, and Engineering Physics. We are also training the next generation of high school teachers.
about this vacancy or the selection procedure, please contact Prof. dr. Sasa Kenjeres, Dipl.Ing., via
[email protected].
Application procedure
Are you interested in this vacancy? Please apply no later than 2 August 2026 upload the following documents:
CV and cover letter.
A copy of all grades for both BSc and MSc studies.
You can address your application to Prof. dr. Sasa Kenjeres, Dipl.Ing..
Doing a PhD at TU Delft requires English proficiency at a certain level to ensure that the candidate is able to communicate and interact well, participate in English-taught Doctoral Education courses, and write scientific articles and a final thesis. For more details please check the Graduate Schools Admission Requirements.
Please note:
You can apply online. We will not process applications sent by email and/or post.
As part of knowledge security, TU Delft conducts a risk assessment during the recruitment of personnel. We do this, among other things, to prevent the unwanted transfer of sensitive knowledge and technology. The assessment is based on information provided by the candidates themselves, such as their motivation letter and CV, and takes place at the final stages of the selection process. When the outcome of the assessment is negative, the candidate will be informed. The processing of personal data in the context of the risk assessment is carried out on the legal basis of the GDPR: performing a public task in the public interest. You can find more information about this assessment on our website about knowledge security.
Please do not contact us for unsolicited services.
Faculty/Department: Faculty of Applied Sciences
Salary range: €3059 - €3881
Submission is possible until: 2 Aug 2026
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