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AGEAIR Continuation

Introducing AGEAIR II, AGEAIR I Expansion

AGEAIR (AGEing AIRcrafts) is a project targeting the effect of engine age on the emission performance of aircraft engines. Data available in the ICAO Engine Emission Database (EEDB) are based on new aircraft engines, and most scientific research on the emission performance of aircraft engines do not pay close attention to the deterioration effect of the tested engines. However, there are indications that the engine age may influence their gaseous and particulate emissions. Such information is important to better understand the impact of aviation on local air quality and global climate. Beyond the engine deterioration effect on local air quality, the emission properties of small to medium-sized helicopter and turboprop aircraft engines (turboshaft, turboprop) as well as of small turbojets remains, despite recent progress, largely unknown. Although the relative share of such small engines is negligible when considering worldwide aviation emissions, measurement of emitted pollutants contributes to a more holistic understanding of aviation’s impact on environment. AGEAIR aims at closing those two knowledge gaps with multiple engine test cell measurements at different locations with the help of SMARTEMIS

AGEAIR I - Closed

The AGEAIR I project was officially closed in June 2020. AGEAIR I was initiated with the transfer of the Swiss Mobile Aircraft Emission Measurement System (SMARTEMIS) from Empa to ZAV under the stewardship of the ZAV’s Meteorology, Environment and Aviation research unit (METENVIA). The primary objectives of AGEAIR I were to build competence in aircraft emission measurements, emission data handling and interpretation within the research unit. After major maintenance of the SMARTEMIS infrastructure, emission measurements on aircraft engines undergoing maintenance tests at SR Technics were done to gain first insights into engine deterioration effect on emission properties.

Summary of AGEAIR I achievements:

The expansion: AGEAIR II Open

AGEAIR II was initiated in July 2020. AGEAIR II first continues the work of AGEAIR I, investigating the effect of engine age on the emission performance of turbofan jet engines. AGEAIR II also continues the AGEAIR I task of maintaining and upgrading the SMARTEMIS infrastructure.

AGEAIR II however takes several steps further. AGEAIR II also aims to investigate the emission performance of non-regulated engines including turboshaft, turboprop and small turbofan engines, below the ICAO regulations’ maximum rated thrust limit (26.7kN). The goals of AGEAIR II are complemented by parallel projects of the METENVIA group such as the EU H2020 projects RAPTOR and ACACIA.

AGEAIR II updates: First period

In 2020, the world of aviation is being hit by the unprecedented COVID-19 event. Though the pandemic also impacted measurements at SR Technics, there has been continuous work on the AGEAIR II project.