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Ground test with good results of a GE90 engine with 100% SAF fuel

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Ground test with good results of a GE90 engine with 100% SAF fuel

emirates

emirates

emirates

The test has been carried out on the ground with a Boeing 777-300ER, equipped with GE90 engines, using SAF 100% sustainable aviation fuel.

We may be witnessing a new revolution, that of sustainable fuels. Numerous companies from different sectors, such as the automotive industry or aeronautics, are working on it. The Emirates company has completed the first successful ground test of a GE90 engine with 100% SAF fuel.

Since last year, Emirates has been working on SAF fuel blend tests with partners GE Aerospace, Boeing, Honeywell, Neste and Virent Inc, a subsidiary of Marathon Petroleum Corp.

The test has been carried out on the ground with a Boeing 777-300ER, equipped with GE90 engines, using SAF 100% sustainable aviation fuel, capable of reducing carbon emissions by up to 80% throughout the fuel’s life cycle.

The purpose of this simulation was to demonstrate the engine’s ability to function with this type of ecological fuel without affecting its performance or requiring modifications to the aircraft’s systems or special maintenance procedures.

Including more sustainable fuel could make the price of gasoline 5 cents more expensive and diesel 4.8 cents

Ground test with good results of a GE90 engine with 100% SAF fuel

GE90 engine test with 100% SAF fuel

emirates

The test of the GE90 engine with SAF fuel has ended successfully and opens the door to the airline’s first experimental flight, using alternative fuels, which will take place next week.

Said test consisted of operating a GE90 engine with conventional aviation fuel and another engine with SAF, in order to analyze the behavior and performance of the fuel system with each type of fuel, measure the specific performance of each engine and guarantee the behavior of the engine and airframe fuel systems during the experimental flight.

Simulation phases

GE90 engine test with 100% SAF fuel

emirates

The tests were carried out at the Emirates Engineering Center in Dubai. First, the aircraft underwent standard pre-inspection tasks. Then, stationary tests were carried out, driving the Honeywell 331-500 Auxiliary Power Unit (APU) with 100% SAF.

The auxiliary power unit was then brought to full load with SAF to start the engines. The left was trained through its full power range, using the same settings that will be used for experimental flight, including idle, takeoff, and climb settings for the full durations of the flight profile.

The engines were then run at cruising speed for 15 minutes. Upon completion of the test, the engines were cooled, fuels isolated in separate tanks, and engine data downloaded for analysis.

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