Martin Ottersten


Photographer: Anders Dahlgren / Swegon

“The source of the tonal sound has never before been identified on this type of fan. When you can reduce this tone, the fans become extremely quiet and, in that respect, unique. This is the first time someone has succeeded in both identifying and eliminating the source of the noise,” says Martin Ottersten, industrial PhD student in Fluid Dynamics at Chalmers University of Technology and Research and Innovation Engineer at Swegon, and lead author of the study.

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