Multiphase Flows and Heat Transfer

About the programme

The Multiphase Flows and Heat Transfer research programme focuses on extending modelling frameworks for numerical predictions of various flows containing either multiple phases, heat transfer or a combination.

The research programme is the outcome of more than 20 years of research within fluid mechanics with a focus on different multi‑phase flows and heat transfer applications - often in collaboration with different industries. Typically, focus has been on numerical simulations with a strong link to state-of-the-art experimental validation techniques. For the numerical activities, the majority of work has been focused on model development and implementation in both open-source and commercial codes, typically OpenFOAM and Ansys. Beyond state-of-art systems utilising Laser Doppler Velocimetry (LDV) and Particle Image Velocimetry (PIV) techniques, the experimental work often involves innovative data processing techniques combining the latest camera technology and image processing algorithms.

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Overview of current Research activities

Currently, the Multiphase Flows and Heat Transfer Research Programme focuses on applications where either natural or force convective heat transfer play important roles.

Natural convective flows

In applications where natural convection is the main mechanism of heat transfer, research is focused on geometric changes in surface structured that enhance heat transfer. The figure below shows an example of how forward facing triangular steps affect the temperature and velocity profiles in the laminar regime.Convective flow on different surface structures


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ASME - JSME - KSME Joint Fluids Engineering Conference 2019

Contact Information

Programme Leader

Associate Professor Henrik Sørensen
Direct phone: +45 9940 3306


Assistant Professor Jakob Hærvig
Direct phone: +45 2070 3684

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The Multiphase Flows and Heat Transfer research programme has access to state-of-the-art facilities in our dedicated Flow Laboratory.

The facilities include a close-loop windtunnel, a open-loop wind tunnel and a close-loop water channel, which are all easy to access and to modify. Furthermore, the measurement equipment includes 2D Laser Doppler Velocimetry (LDV), 3D Particle Image Velocimetry (PIV) and mini Constant Temperature Anemometry (CTA) along with a range of high speed cameraes, which allow us to produce high quality benchmark data for validation of our numerical simulations.

Read more about the Flow Laboratory

Guest researchers and cooperation

We offer support to visiting PhDs and researchers through access to our world class laboratory facilities at the department, as well as by close cooperation and contact with the industry.

Other collaboration opportunities include joint applications to national and international research funds, and joint publications in international journals and conferences.

For collaboration within the field of Multiphase Flows and Heat Transfer, please contact Henrik Sørensen (

Further information on cooperation and guests AT THE DEPARTMENT