According to the announcement on the GE website on October 12, 2021, the GEnx engine completed over 3000 cycles of vacuum testing in simulated harsh environments using specialized vacuum equipment, achieving excellent durability test results. Dust durability testing is part of GE's ongoing investment in the next-generation technology of its engine series to ensure that the fastest selling high thrust engine in GE's history continues to provide high-quality service to customers in the next decade.

Ten years ago today, the GEnx engine was put into use to power the 747-8 aircraft of Luxembourg Cargo Company. GEnx was developed specifically for the Boeing 787 and 747-8 aircraft, and compared to GE's CF6 engine, it reduces fuel consumption and carbon dioxide emissions by up to 15%.

The durability test verified the improvement effect of multiple components, including the improved combustion chamber guide plate and the redesigned first stage blades of the high-pressure turbine.

The durability test simulated the dust encountered by GEnx engines during flight in some of the world's harshest environments. Through collaboration with GE Research, dust was reverse engineered to reproduce specific on-site conditions.

The dust that may cause hardware damage is very small and cannot be seen by the naked eye. Test engineers use complex equipment, including sensitive sensors to detect dust, and use lean principles to improve test results during testing.

The GEnx engine represents a huge leap in propulsion technology, using lightweight and durable materials and advanced design processes to reduce weight, improve performance, and minimize maintenance, making it the best choice for many long-distance flights, including multiple record breaking flights.

Source: Aerospace Briefing