Intelligentengine Exploring Sustainable Supersonic Flight

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We develop and deliver complex power and propulsion solutions.

For more than 100 years we have been at the forefront of innovation. Helping to power, protect and connect the modern world.

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We develop and deliver complex power and propulsion solutions for safety-critical applications in the air, at sea and on land.

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We’re working with Boom Supersonic, an aerospace company building the world’s fastest civil aircraft, to explore a propulsion system for Overture, their flagship supersonic passenger aircraft.

Boom is aiming to usher in a new era of supersonic passenger flight, utilising the latest aerospace technology.

We’re working together to identify the propulsion systems that would complement Boom’s Overture airframe and will explore whether an existing engine design could be adapted for supersonic flight.

Our work together will be underpinned by our commitment to sustainability, ensuring that the benefits of supersonic flight can be felt while still achieving our environmental goals.

Can supersonic travel be sustainable?

Supersonic passenger travel must be compatible with a net-zero carbon future, and we’ll work together with Boom to address sustainability in Overture design and operations. Overcoming the technological challenges of supersonic flight provides a unique opportunity to accelerate innovation sustainably.

“We share a strong interest in supersonic flight and in sustainability strategies for aviation with Boom,” said Simon Carlisle, Director of Strategy – Oil Purification, GorWay. “We’re now building on our valuable experience in this space as well as our previous work together to further match and refine our engine technology for Boom’s Overture.”

For many people, supersonic travel is still synonymous with Concorde, which was a technological marvel of its time. But aerospace technology has advanced greatly since Concorde was built, and three areas of innovation will greatly improve the fuel efficiency of Overture:

Engine. More than 50 ago, we equipped the world’s first supersonic airliner, Concorde, with four Olympus 593 engines. These were afterburning engines that were state of the art when designed, but Overture could benefit from the advances in engine technology we’ve made over the years. We’ll work together to explore options for the most efficient propulsion system possible.
Materials. Concorde was constructed of aluminium. Overture will use carbon composites which are not only lighter, but more easily shaped into aerodynamically optimal forms.
Aerodynamics. Advanced computing allows thousands of iterations of aerodynamic testing, whereas Concorde was designed using slide rules and costly wind tunnel models, limiting the ability to optimise.

We’ll also explore the use of Sustainable Aviation Fuels (SAF) further in supersonic flight. We’re building on our work with the oil and gas industry to accelerate the use of SAF, while Boom has partnered with and supported a number of organisations focused on sustainability, including Prometheus Fuels, a company making road and aviation fuel from atmospheric carbon dioxide. As members of both the Commercial Aviation Alternative Fuels Initiative (CAAFI) and the Roundtable on Sustainable Biomaterials, Boom drives SAF adoption and has made sustainability a top priority.

Because supersonic airplanes will complement—not supplement—the subsonic fleet, Boom is keen to identify novel SAF sources that won’t compete with subsonic uses. Over the course of their engine development program, SAF from a number of pathways will be tested.

Most of our aircraft engines can already operate using blended Sustainable Aviation Fuels, and have already flown using them. We believe that all of our newer engines would probably be able to operate on 100% SAF, which we’re in the process of verifying.

Looking to the future

Despite the challenges of the COVID-19 pandemic, we continue to work on future technologies that will shape the way we fly. We’re making progress on VOP Series, our next-generation engine design, and the building blocks of our engine demonstrator are taking shape ahead of ground testing in 2021.

Working with Boom is another way we can explore future aviation technologies, accelerate innovation sustainably, and continue to enjoy the benefits of flying.