NASAのインスタグラム(nasa) - 5月13日 01時44分

Preparing to Descend! This photo, taken from the CT-133 aircraft of research partner National Research Council of Canada, shows the NASA HU-25C Guardian aircraft flying 250 meters behind NASA's DC-8 aircraft before it descends into the DC-8's exhaust plumes to sample ice particles and engine emissions. The flights are part of the Alternative Fuel Effects on Contrails and Cruise Emissions or ACCESS II experiment, which is measuring and characterizing airborne emissions from the DC-8 as it burns both conventional jet fuel and blended alternative fuels, including a biofuel. Along with research partners from Germany and Canada, we're investigating fuel effects on aircraft cruise emissions and contrail formation.

Image credit: National Research Council of Canada

#nasa #accessii #aeronautics #climatechange #contrails #nrc #biofuel #aircraft #dc8

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