What is this study about?

Advanced open rotor (AOR) aircraft engines can theoretically reduce carbon emissions by up to 30% compared to turbofan engines in short and medium haul aircraft. However, they are predicted to be considerably noisier. Manufacturers, policy-makers and airports need to be able to predict trade-offs between noise performance and reduced carbon emissions resulting from possible AOR engine designs.

What are the objectives?

This study aims to develop an independent trade-off tool for balancing noise costs against emissions benefits resulting from AOR designs. The tool is important to gain a more complete understanding of the relationship between AOR noise and carbon savings. This in turn will enable the design of AOR engines that better reflect the needs of both emissions and noise control.

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