Long-haul flight with laser-sintered battery cooling system

Solar aviation requires pioneering achievements - in any discipline. Complex flow-optimized ducts of a cooling system are additively manufactured and allow a highly efficient battery cooling.

Showcase (real application example)

When it comes to new developments in solar aviation, often the boundaries of the possible and the technology will be explored. Each component must fulfill its function completely weight- and energy-optimized. Lightweight construction is a top priority.

Batteries with high energy density used in solar aviation must be optimally cooled. For this purpose, cold outside air is efficiently supplied to the battery. This is done with additively manufactured laser-sintered ventilation ducts. The lightweight constructed ventilation ducts feature wall thinkess between 0.5 and 0.6 mm and can not be manufactured conventionally. Many features and optimized flow geometries were integrated into a single component, so that the total eight airworthy ventilation parts could be produced only additively with selective laser sintering technology. At the parts are made from high-strength polyamide and must satisfy high demands. Not only tolerances of a few 0.1mm must be respected, but  also the surface must be optimized for air flow. Additionally, a defined air tightness must be ensured. A laser-sintered 33 cm long air supply weighs only 129 grams.

prodartis AG supported Swiss aviation customer in realising this process.


Swiss aviation customer



Major benefits achieved

Better performance (e.g. fluid dynamics, heat-exchange)

Used technologies

Used materials

Plastic / PA 12

Field of innovation

Better products


Provider who helped realising this showcase

prodartis AG

Additive Serienfertigung von Kunststoffbauteilen, spritzgussnahe Qualität, 12% dichtere SLS-Teile - High Quality SLS parts, SLS mass production, SLS parts with 12% more density

Your contact person at prodartis AG

Get in contact with:

Beat Bossart
Head of Sales / Distribution

Image of   Beat Bossart
prodartis AG will display this showcase at the following exhibition:

AM Expo 2016
20. and 21. September 2016, Messe Luzern, Switzerland
Halle 02 / Booth C2080