Engines
Geared turbofan is green leader, says MTU
German-based engine manufacturer MTU Aero Engines is here at the Paris Air Show (Hall 2 Stand AB 151) exhibiting a cutaway mockup of a geared turbofan.

German-based engine manufacturer MTU Aero Engines is here at the Paris Air Show (Hall 2 Stand AB 151) exhibiting a cutaway mockup of a geared turbofan. This is the basic concept for its Claire (clean air engine) technology program, whose aim is to cut carbon dioxide (CO2) emissions by 30 percent by 2035. It is making its first step under the umbrella of the European Commission’s Clean Sky joint technology initiative.

MTU research engineers are optimizing an existing geared turbofan, focusing on the high-pressure (HP) compressor and the high-speed low-pressure (LP) turbine. They hope to reduce the turbine’s length and weight, while improving efficiency via a new concept for the first stage of the LP turbine. The target in fuel burn reduction is 15 percent for this first step.

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