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NLR is the aerospace knowledge enterprise in the Netherlands. NLR research is geared towards safer, more sustainable and efficient air transport. Staff of approximately 650 people: from aircraft engineers to psychologists, from mathematicians to materials experts. Long standing history in the participation in national and international research projects on engine acoustics.

WP2.3: Liner measurements in NLR's Flow Duct Facility. Reference acoustic liner representative of current state-of-the-art Two selected breakthrough liner concepts. WP3.2: In-duct beamforming in interstage region. Locating broadband noise sources on fan blades and stator vanes. Innovative technique incorporating swirling flow