The design for low-Re tests has been completed.
The designs of flap and flap-tab mechanisms have been completed. Laboratory tests demonstrated the design concept of inboard flap mechanism in CS2 configuration, while the final inboard flap design in LEGACY configuration has been demonstrated in the WT in October 2018.
The design of model components for high-Re tests is complete, including the integration of the pneumatic propulsion system. Notwithstanding a partial non-compliance of the material used to manufacture the wing, not ductile enough to fulfill all the requirements set out in the European regulations for components under pressure, wing panels and nacelle parts have been manufactured and assembled on time. Recovery actions to be implemented after the project closure have been discussed with JU and TM.
After the development of first design concepts, and review meetings with TM and WT, the final design and manufacture of the support system for high-Re tests has been subcontracted to a specialized company as a risk mitigation measure to ensure a successful high-Re test campaign, since the identified subcontractor developed a very similar system in the past. Activities were completed at the end of 2019. Interfaces with WT have been agreed, with new lower strut and connecting plate designed by POLITE.
Correction factors to account for the strut interference during WT tests have been calculated in low- and high-Re conditions. Data have been released to TM and included in project deliverables. First batch of results has been published at the ECCOMAS2018 in open access. The second batch of results was submitted for publication at the ECCOMAS2020, cancelled for the COVID-19 crisis.
The WT model for low-Re power-on tests has been completely manufactured, assembled, instrumented and installed in the WT (RUAG LWTE) for power-on WT tests. The three-week WT test campaign has been successfully completed in June 2019. News about the successful completion of the test campaign have been published on IBK and CS2JU websites.
Concerning exploitable results, the developed solutions for increasing WT test productiveness have a huge exploitation potential. Indeed, the developed solutions for flap actuation are very promising and have been already demonstrated in the WT, and results presented at the AERODAYS 2019, session A6. The presentation is accessible on the internet in open access.
Furthermore, the determination of strut influence corrections for powered configurations in both low and high Re conditions is playing a crucial role for the development of skills and the triggering of new business opportunities for the SMEs involved.
