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The first study of fuel emissions 100% sustainable of Airbus in flight of a passenger plane offers promising prospects.
The race is short and the industry accelerates the studies to further reduce
The first results of a worldwide study on the impact of aviation fuel 100% sustainable (PURE) in the two engines of a commercial airplane have provided promising results.
The ECLIF3 study, in which they participate Airbus, Rolls-Royce, the German research center DLR and the manufacturer of SAF Neste, marks the first time the 100% of SAF simultaneously on both engines of a commercial passenger aircraft: a plane Airbus A350 con motores Rolls-Royce Trent XWB.
Emissions flight testing and ground trials associated with the ECLIF3 program began earlier this year and have recently resumed.. The interdisciplinary team, in which researchers from the National Research Council of Canada and the University of Manchester also participate, plans to publish its results in academic journals by the end of next year and in 2023.
The results of the study will support the efforts being carried out Airbus and Rolls-Royce to ensure the aviation sector is ready for large-scale use of SAF as part of the broader industry decarbonisation initiative.
Currently, aircraft can only operate with a mixture of the 50% SAF and conventional jet fuel, but both companies support the initiative to certify the use of 100% de SAF.
In April, the A350 made three flights over the Mediterranean Sea followed by a plane Falcon from DLR to compare in-flight emissions from both kerosene and the sustainable fuel of hydroprocessed fatty acids and esters (HEFA) by Neste. The team also carried out conformance testing using a 100% of HEFA and no operational problems were experienced.
In-flight emissions testing resumed this month with a 100% of SAF and a mixture of fuel HEFA/Jet A-1, and ground emissions tests were also conducted to quantify the benefits of the SAF on local air quality. The research team found that SAF releases fewer particles than conventional kerosene under all tested engine operating conditions., which points to the possibility of reducing climate impact and improving air quality around airports.
What's more, SAF has a lower density but higher energy content per kilogram of fuel compared to conventional kerosene, which brings some advantages in terms of aircraft fuel efficiency, since less fuel is burned and less mass of fuel has to be shipped to accomplish the same mission. The team is conducting a detailed analysis.
DLR's Falcon chaser aircraft is equipped with multiple probes to measure emissions at cruising level up to a distance of only 100 meters from the A350 and send them to scientific instrumentation for analysis.
SAF has been shown to have a significantly lower carbon footprint over its life cycle compared to conventional jet fuel, and now we are seeing that it is also advantageous to reduce non-CO2 related effects.
On 2015, the DLR carried out the ECLIF1 campaign, in which alternative fuels were investigated with its Falcon and A320 ATRA research aircraft. These investigations continued in 2018 with the ECLIF2 campaign, in which the A320 ATRA flew with a mixture of standard jet fuel and up to a 50% de HEFA. This investigation demonstrated the advantageous emissions performance of fuel blends up to 50% of HEFA and paved the way for test flights of the 100% HEFA for ECLIF3.
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It's good that aviation is concerned about the environment, I hope this brings us closer to an even more sustainable aviation to take care of the environment. Good post, very complete and detailed
Thanks friend.