Improving heating-based components with foam
Open-cell metal foam can be used in heat exchangers, convectors and coolers. © Fraunhofer IFAM Dresden
Open-pore metal foams offer greater heat transfer
A liquid or gas circulates within many heating technology components to provide a heat transfer medium. In contrast to the meandering tube bundles or fins previously usually deployed in the components, open-pore metal foams have the advantage that they have a greater surface. This facilitates the transfer of large amounts of heat.
The metal foams can be made with cell widths between 0.3 and 5 mm. The production begins with open-cell polyurethane foams. These are cast in a liquid ceramic suspension. The plastic inside is then burnt by heating. The resulting mould can be filled with various metal alloys using precision casting or powder metallurgical processes.
Open-pore metal foams can be used, for example, in car radiators, high-performance evaporators and latent heat storage systems. The Fraunhofer Institute for Manufacturing Technology and Advanced Materials in Dresden is carrying out the research in collaboration with industrial partners.
You found all informations about the BINE Projektinfo brochure entitled “Metal foam – a material for heat engineering” here:
http://www.bine.info/en/press/press-releases/press/pressemitteilung/waermetechni…
Uwe Milles/Birgit Schneider
presse(at)bine.info
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