prof.Dr.-Ing. W. Rohlfs (Wilko)

I am full professor in the Department of Thermal and Fluid Engineering. In 2015 I finished my PhD on "Wave Characteristics of Falling Liquid Films under the Influence of Positive and Negative Inclination or Electrostatic Forces" at RWTH Aachen University for which I received the Friedrich Wilhelm Award. In 2014 I obtained a second PhD in economics on "Decision-Making under Multi-Dimensional Price Uncertainty for Long-Lived Energy Investments". In 2015, I was Post Doctoral Fellow in the research group of John Lienhard V at MIT, Cambridge. From 2015 to 2021 I was leader of the research group "Convective Heat Transfer" at RWTH Aachen University. In 2021, I was appointed as Full Professor in Heat Transfer and Thermodynamics at the University of Twente.

Engineering & Materials Science

# Boundary Layers
# Heat Transfer
# Liquid Films

Physics & Astronomy

# Falling
# Jet Impingement

Chemistry

# Falling Film
# Heat Transfer
# Liquid Film

Faculty of Engineering Technology (ET), Heat Transfer and Thermodynamics (HTT)

Self-employed
Consultant and dealer for PV components and renewable energy systems
Self-employed
Consultancy service

Gómez, R. S., Bohr, T., Nielsen, S. , Rohlfs, W., Kneer, R., & Askarizadeh, H. (2024). Averaging theory for heat transfer in circular hydraulic jumps with a separation bubble. Journal of fluid mechanics, 979, Article A41. https://doi.org/10.1017/jfm.2023.1055

Koopman, T. , Zhu, T. , & Rohlfs, W. (2024). Performance evaluation of air-source heat pump based on a pressure drop embedded model. Heliyon, 10(4), Article e24634. https://doi.org/10.1016/j.heliyon.2024.e24634

Rajamani, K., Juffermans, E., Granelli, L., De Cuadra Rabaneda, A. , Rohlfs, W. , ter Brake, M. , van der Meer, T. , & Shahi, M. (2024). A low-frequency ferrohydrodynamic pump for a magneto-caloric refrigerator. Applied energy, 355, Article 122253. https://doi.org/10.1016/j.apenergy.2023.122253

Long, Y. , Jiang, J. , Visser, C. W. , Brilman, W. , & Rohlfs, W. (2023). Fabrication of Core-shell Hydrogel Particles via In-air Microfluidics for CO2 Capture. Poster session presented at Burgers Symposium 2023, Lunteren, Netherlands.

Long, Y. , Jiang, J. , Rohlfs, W. , ten Elshof, J. E. , Brilman, D. W. F. , & Visser, C. W. (2023). CO2 Adsorption by Core-shell Structured Hydrogel Particles Fabricated via In-air Microfluidics. Paper presented at 14th International Conference on Computational Heat and Mass Transfer, ICCHMT 2023, Düsseldorf, Germany.

Kuang, G. , ten Elshof, J. E. , Visser, C. W. , Venner, C. H. , Nguon, O. J. , Mehrali, M. , & Rohlfs, W. (2023). Printing Silver Nanoparticle (AgNP) Embedded Foams for Piezoresistive Sensor Application. Poster session presented at Burgers Symposium, Lunteren, Netherlands.

Shu, Q., Rietz, M., Kneer, R. , & Rohlfs, W. (2023). Thermal convection enhancement of laminar particle-laden flow in a square duct: Fully resolved numerical investigation. In International Heat Transfer Conference 17 https://doi.org/10.1615/IHTC17.210-190

Labuschagne, A. , Zhu, T., van der Bijl, H. , & Rohlfs, W. (2023). Method feasibility of micro-ct investigation into frost formation. In Proceedings of the 17th International Heat Transfer Conference, IHTC-17

Rohlfs, W. , Venner, C. H., Alarouri, M., Kuiphuis, D. J. G., & Kneer, R. (2023). HeatQuiz: Combining Flipped-Classroom, Game-Based Learning, and Systematic Problem Analysis in Heat Transfer Education. In Proceedings of the 17th International Heat Transfer Conference, IHTC-17

Rohlfs, W. (2023). Exploring Heat Transfer Mechanisms in Laminar Flows: From JetImpingement to Micro-scale Phenomena. In Proceedings of the 17th International Heat Transfer Conference, IHTC-17

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Wilko Rohlfs is the founder of the mobile teaching application HeatQuiz. HeatQuiz was developed to help students deepen their knowledge of conduction, convection, radiation and mass transfer by solving short tasks. The tasks can be solved in a limited amount of time without the need for a pencil. This makes HeatQuiz ideal for use during short breaks.

The questions are reached via so-called "game maps", which provide structured access to series of questions, each consisting of 5-10 tasks.

HeatQuiz can be accessed via the website: www.HeatQuiz.app.

Courses in the current academic year are added at the moment they are finalised in the Osiris system. Therefore it is possible that the list is not yet complete for the whole academic year.