The German Aerospace Center (DLR) and the american National Aeronautics and Space Administration (NASA) have been cooperating in the field of atmospheric research since the end of the 1990s. In aeronautics research, both partners are particularly involved in joint research projects in the areas of air traffic management, as well as low-noise and low-emission flying.
After the flight tests on 16 January NASA DC-8 and DLR A320 ATRA fly together until 2 February 2018 in the joint campaign ND-MAX/ECLIF 2 (NASA/DLR-Multidisciplinary Airborne eXperiments/Emission and CLimate Impact of alternative Fuel). The series of research flights will start from Ramstein Air Base in Germany. The researchers want to investigate more closely how the composition of different alternative fuels influences the emissions and the climate-relevant properties of contrails.
The joint research flights being conducted by the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) and the US National Aeronautics and Space Administration (NASA) are now half complete. Today, on 24 January 2018, the fourth of eight planned joint flights took off from Ramstein Air Base in Rhineland-Palatinate, Germany.
In January 2018, the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt, DLR) and the US National Aeronautics and Space Administration (NASA) are set to conduct joint research flights in Germany for the first time. The focus will be on alternative fuel emissions and the characterisation of ice crystals in condensation trails (contrails), using biofuel as an example.
A fuel blend with 50 percent biofuel reduces soot particle emissions of the aircraft by 50 to 70 percent compared to conventional fuel, according to a study published in the scientific journal Nature. The findings are based on an international flight experiment between NASA, the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) and the National Research Council (NRC) of Canada.
Alternative fuels have the potential to support the environment- and climate-friendly developments in air transport. At present, global air traffic contributes towards almost five percent of global warming. In addition to the greenhouse gas carbon dioxide, condensation trails and the resulting cirrus clouds lead to a significant climate impact.
The US aerospace agency NASA and the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) have signed two agreements on further scientific cooperation in the aeronautics sector. Both partners want to work together on the research topics of aircraft noise simulation and the improvement of helicopter aerodynamics.