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DLR tests filter system to reduce virus load in enclosed spaces
3. November 2020
The German Aerospace Centre (Deutsches Zentrum für Luft- und Raumfahrt; DLR) in Göttingen has tested a ventilation concept with a filter system for classrooms, restaurants and cinemas. The test was commissioned by OHB System AG, the HT Group and Dastex and confirmed the effectiveness of the ventilation system in comparison with window ventilation.
How effective are non-medical masks? – A scientific view of a much-discussed question
26. October 2020
Several institutes within the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) came together in an interdisciplinary, collaborative project to investigate the functioning and effectiveness of non-medical fabric masks. The experiments clearly show how wearing a non-medical mask influences the distribution of exhaled aerosols and how this contributes to preventing the spread of infection.
Aircraft noise measured on the ground and on the aircraft synchronously for the first time
26. October 2020
Which parts of an aircraft cause noise and what sort of noise is it? For the first time, scientists from the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) and GE Aviation in Munich have succeeded in measuring the noise emitted by a turboprop aircraft synchronously on the ground and on the aircraft. With the knowledge gained, future aeroplanes can become quieter.
First numerical flight test from space transport
17. July 2020
By reproducing the first 60 seconds of the ascent flight of the Shefex II rocket on the computer, researchers from the DLR Institute of Aerodynamics and Flow Technology provided for the first time an example of a numerical flight experiment from space transport.
DLR analyses noise properties of the new high-speed helicopter RACER
24. June 2020
Researchers at the DLR Institute of Aerodynamics and Flow Technology have analysed and determined the acoustic properties of the Rapid And Cost-Effective Rotorcraft (RACER) and found out: The RACER is not only faster, it is also quieter than "normal" helicopters.
DLR studies the spread of viruses in aircraft and trains
27. May 2020
How do virus particles actually spread within passenger compartments? And how is this affected by ventilation? This is currently under investigation at the German Aerospace Center. The findings may help to better understand the challenges facing mobility during the COVID-19 pandemic and thus contribute towards finding solutions.
DLR researchers measure the noise generated by the impingement of engine exhaust gases on landing flaps
28. February 2020
Engines and landing flaps are major sources of noise on any large aircraft. Using a special experimental setup, researchers at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) have now made it possible to measure the noise generated by the impingement of engine exhaust gases on the wing flaps.
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