PACIFIC, short for Particle emissions, Air Quality and Climate Impact related to Fuel Composition and Engine Cycle, will investigate how different fuel formulations influence particulate output across various engine power settings. A combination of laboratory tests at the German Aerospace Center (DLR) and full-scale engine trials at Airbus facilities in Toulouse will replicate a consistent set of conditions to ensure reliable comparisons.
The research aims to refine predictions on soot particle formation by developing improved modeling tools. These will support a better assessment of how fine particulates evolve during combustion and how they relate to ice crystal formation, the key ingredient in contrails. High-precision measurement techniques will help link particle quantities with engine performance in both testbed and in-flight scenarios.
By identifying how fuel types and engine configurations affect the volume and nature of emissions, PACIFIC seeks to provide actionable insights for future regulation and fuel specification development. The project's broader goal is to assess the climatic and air quality impacts of SAF use and contribute to sustainable aviation policymaking across Europe.
"Addressing aviation's non-CO2 emissions is critical in our journey toward truly sustainable flight. Through collaborative science-based approaches and innovative technologies, we're committed to minimising these effects while maintaining operational efficiency. The PACIFIC project will quantify and measure the non-CO2 emissions emitted from various SAF compositions. Using an innovative ground experiment process, we will be able to replicate conditions without delay and repeat them if needed. We look forward to the results of this multi-year project," said Sabine Klauke, Airbus Chief Technology Officer.
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