Projects per year
Personal profile
Quote
The beauty of fluid flow inspires me to work on fluid mechanics problems, from applications in our daily life to our environment.
Research profile
Rudie Kunnen is an Associate Professor in the Department of Applied Physics at Eindhoven University of Technology (TU/e). His areas of expertise include (geophysical) fluid mechanics, turbulence, experimental techniques involving flow measurement, computational fluid dynamics and convective heat transfer.
Rudie’s research mainly focuses on two fields of turbulence. He studies turbulent convective flows and the effects of system rotation. He uses optical diagnostics, such as (stereo-)PIV and 3D-PTV, and direct numerical simulations. His other main topic of interest is the motion of tiny heavy particles in turbulence. Here, he also applies a combination of experiments (3D-PTV) and direct numerical simulations using modeled particles.
In the project TROCONVEX – Turbulent rotating convection to the extreme – a combination of lab experiments and computer simulations help Rudie and his group gain fundamental insights into the flow and transport of heat, which will then help create an understanding of the flows in the Earth’s inner core as well as in stars and other planets.
Academic background
Rudie Kunnen received his PhD (cum laude) from TU/e as a FOM (Fundamental Research on Matter) student for his work on Turbulent Rotating Convection. He also holds an MSc in Applied Physics from TU/e. After obtaining his PhD, he worked as a postdoctoral researcher at RWTH Aachen University, researching droplet collisions in turbulent air.
Rudie has received the Young Scientist Prize at the EUROMECH European Turbulence Conference in Portugal for the best talk. He regularly contributes to key journals such as Physical Review Letters, Journal of Fluid Mechanics, Physical Review Fluids, Physical Review E and Physics of Fluids.
In 2015 he was awarded a prestigious ERC Starting Grant on the effects of rotation on convective flow, a topic highly relevant for our understanding of many geophysical and astrophysical flows.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being
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SDG 13 Climate Action
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Collaborations and top research areas from the last five years
Projects
- 1 Finished
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European High-performance Infrastructures in Turbulence
Trieling, R. R. (Project member), van Heijst, G. J. F. (Project member), Clercx, H. J. H. (Project member), Kunnen, R. P. J. (Project member), Toschi, F. (Project Manager) & Holten, A. P. C. (Project member)
1/04/13 → 1/04/17
Project: Research direct
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DSMC evaluation of the thermophoretic force on micron-sized particles in rarefied gas conditions with Hermite boundary domain truncation
Reinartz, R. R. L. (Corresponding author), Di Staso, G., Kunnen, R. P. J., Toschi, F. & Clercx, H. J. H., 2026, Proceedings of the 5th European Conference on Non-equilibrium Gas Flows - NEGF26, March 25-27, 2026, Toulouse, France. p. 35-38 4 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review
Open AccessFile15 Downloads (Pure) -
Dynamics of small bubbles in turbulence in non-dilute conditions
de Wit, X. M., Adelerhof, H. J., Freitas, A., Kunnen, R. P. J., Clercx, H. J. H. & Toschi, F., 5 Feb 2026, In: Physical Review Fluids. 11, 2, p. 024602-1-024602-15 15 p., 024602.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile1 Link opens in a new tab Citation (Scopus)28 Downloads (Pure) -
Experimentally determining the effect of gas-surface interactions on particle dynamics in rarefied flows
Jansen, R. D. M., Kunnen, R. P. J. & Clercx, H. J. H., 2026, Proceedings of the 5th European Conference on Non-equilibrium Gas Flows - NEGF26, March 25-27, 2026, Toulouse, France. p. 69-72 4 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review
Open AccessFile12 Downloads (Pure) -
Persistent clock of turbulent thermal convection
Martínez-Ortíz, L., Lemm, Y. H., Clercx, H. J. H. & Kunnen, R. P. J. (Corresponding author), 19 Mar 2026, In: Physical Review Research. 8, 1, 9 p., 013302.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile26 Downloads (Pure) -
Experiments on rapidly rotating convection: the role of the Prandtl number
Clercx, H. M. & Kunnen, R. P. J. (Corresponding author), 26 Dec 2025, In: Physical Review Fluids. 10, 14 p., 123503.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile34 Downloads (Pure)
Datasets
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Model results, link to archive file
Siewert, C. (Creator), Bordás, R. (Creator), Wacker, U. (Creator), Beheng, K. D. (Creator), Kunnen, R. P. J. (Creator), Meinke, M. (Creator), Schröder, W. (Creator) & Thévenin, D. (Creator), PANGAEA, 22 May 2017
Dataset
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Stochastic resonance of rotating particles in turbulence
Wang, Z. (Creator), de Wit, X. (Creator), Benzi, R. (Creator), Wu, C. (Creator), Kunnen, R. P. J. (Creator), Clercx, H. J. H. (Creator) & Toschi, F. (Creator), Zenodo, 8 Sept 2025
Dataset
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Data underlying the publication "Experiments on geostrophic convection: the role of the Prandtl number"
Clercx, H. (Creator) & Kunnen, R. (Creator), Zenodo, 24 Sept 2025
Dataset
Prizes
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Teacher award of appreciation Applied Physics Semester B 2020-2021
Limburg, A. A. A. (Recipient) & Kunnen, R. P. J. (Recipient), 24 Feb 2022
Prize: Other › Career, activity or publication related prizes (lifetime, best paper, poster etc.) › Scientific
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Turbulent Rotating Convection to the Extreme
Kunnen, R. P. J. (Recipient), 2015
Prize: ERC › Starting › Scientific
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Universal critical transitions in constrained turbulent flows
Kunnen, R. P. J. (Recipient), 2024
Prize: NWO › Vici › Scientific
Activities
- 1 Editorial activity
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European Journal of Mechanics, B/Fluids (Journal)
Kunnen, R. P. J. (Editorial board member)
1 Jan 2026 → 31 Dec 2028Activity: Publication peer-review and editorial work types › Editorial activity › Scientific
Courses
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Control of a flexible robot system
Held, J., Kunnen, R. P. J., van Hattum, G. P. M., van de Molengraft, M. J. G., Gómez Rivas, J., Legrand, J., van den Kerkhof, A. & Jansen, R. 1/09/23 → 31/08/27
Course
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Physics of Transport Phenomena
Gelderblom, H., Darhuber, A. A., Kunnen, R. P. J., Duran Matute, M. & Di Staso, G. 1/09/23 → 31/08/27
Course
Press/Media
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"What can you get a Pick and Place robot to do?"
Kunnen, R. P. J., van Hattum, G. P. M. & Postema, M.
6/03/25
1 item of Media coverage
Press/Media: Expert Comment
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GLOBAL ROUND UP SECTOR WEEKLY: UNIVERSITY NEWSLETTER OF WEEK-ENDED SEP 03, 2023
Kunnen, R. P. J., van Houtum, G.-J. J. A. N. & Kroesen, G. M. W.
4/09/23
1 item of Media coverage
Press/Media: Expert Comment
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‘It's only when students work with the material that it sticks’
Kroesen, G. M. W. & Kunnen, R. P. J.
29/08/23
1 item of Media coverage
Press/Media: Expert Comment
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‘Figure it out:’ practical lessons in Applied Physics
Kroesen, G. M. W. & Kunnen, R. P. J.
6/02/19
1 item of Media coverage
Press/Media: Expert Comment
Research areas
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Environmental Fluid Mechanics
Kunnen, R. (Researcher) & Sanders, R. (Content manager)
Impact: Research Topic/Theme (at group level)
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Micro- and Nanohydrodynamics
Kunnen, R. (Researcher) & Sanders, R. (Content manager)
Impact: Research Topic/Theme (at group level)
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Multiphase and Complex Fluids
Kunnen, R. (Researcher) & Sanders, R. (Content manager)
Impact: Research Topic/Theme (at group level)
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Turbulence
Kunnen, R. (Researcher) & Sanders, R. (Content manager)
Impact: Research Topic/Theme (at group level)
Thesis
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Chaotic advection in a two-dimensional perturbed shear-vortex flow
Kunnen, R. P. J. (Author), van Heijst, G. J. F. (Supervisor 1), Trieling, R. R. (Supervisor 2) & Kamp, L. P. J. (Supervisor 2), 30 Jun 2004Student thesis: Master
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