CFM's Third-generation Aerodynamics: Increased Efficiency

CFM’s next engine will benefit from third-generation 3D aerodynamic design in all components. 3D aero techniques let us design highly loaded components that perform at unseen levels of efficiency with fewer stages.

Advances in computational fluid dynamics (CFD), coupled with phenomenal growth in the speed and memory of computers, make it possible to run aerodynamic simulations of engine configurations that are more sophisticated than ever.

An array of component, rig and engine tests are demonstrating that the LEAP-X turbofan will deliver new levels of performance without compromise to reliability and durability.

CFM introduced second-generation 3D aero compressor blades in 2007 with the Tech Insertion configuration. To date, more than 3,300 Tech Insertion engines have logged more than 13 million flight hours in service – giving operators the benefit of 3D aero modeling.

The base CFM56-5B and -7B engines had already incorporated first-generation aero design. Relying on a vast experience base of more than 160 million flight hours of 3D aero design in action, our engineers are shaping the future of aerodynamics.