Clean Energy Research Group

The Clean Energy Research Group (CERG) is involved in experimental and numerical heat transfer research focussed on clean energy applications. CERG, falling under the Department of Mechanical and Aeronautical Engineering at the University of Pretoria, has a number of world class experimental facilities focused on heat transfer, balanced by a Computational Fluid Dynamics (CFD) division.

The experimental heat transfer is currently focused on

  • Enhanced heat transfer;
  • Transitional flow;
  • Micro channel condensation;
  • Optimisation with constructal theory;
  • Nanofluid Research and Characterisation

The CFD is currently focused on

  • Concentrated Solar Receiver Development
  • Collector Field Optimization

The group involves three members of the academic staff (of which all three are NRF-rated researchers) and over 30 full-time and part-time master's and doctoral students.


The University of Pretoria has been active in research on thermoflow systems since the early 1980s. Research areas were traditionally in HVAC-systems and -engines. Since the early 1990s, there has been a growing emphasis on computational research in the thermoflow field, with applications like electronics cooling and industrial Computational Fluid Dynamics (CFD) gaining ground. More recently clean energy applications have taken the lead as this field has grown.

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