Aviation H2 selects liquid ammonia as carbon-free fuel of choice

Aviation H2 selects liquid ammonia as carbon-free fuel of choice

Following a a few-month feasibility examine, Aviation H2—an Australian-owned business trying to find to realize net-zero emissions in the aerospace sector by means of inexperienced hydrogen—has chosen the use of liquid ammonia to turbofan combustion as the ideal route to carbon-cost-free flight and will soon start modifying turbofan engines to check and show the strategy.

The company, which is launching a $500,000 funds increase by using the on line system VCEX to fund the building of its to start with modification prototype, says the benefits from their experiments were being pretty favourable. Their study demonstrates that converting a Falcon 50 to Liquid Ammonia Turbofan Combustion is the most efficient and commercially practical avenue to constructing a hydrogen-powered airplane.

Aviation H2 selects liquid ammonia as carbon-free fuel of choice

The company’s staff of engineers say they now have a apparent pathway to acquiring Australia’s 1st hydrogen-fuelled aircraft in the skies by the center of 2023.

By applying this electrical power route, Aviation H2 can fly plane with hydrogen gas making use of noticeably considerably less weight than alternate electrical power paths even though generating the exact amount of ability.

There are many good reasons why liquid ammonia was selected. Mainly its rewards incorporate higher gravimetric and volumetric hydrogen density that helps make it lighter and less complicated to transport although offering a higher power conversion fee. In point, the stored pounds of liquid ammonia power is considerably lighter than gaseous hydrogen and can be retained at a significantly decreased tank pressure.

—Aviation H2 Director, Dr Helmut Mayer

Dr Mayer claims this is supported by anhydrous ammonia reaching liquification stage quicker, which will make it a ton simpler to retail store when in contrast to liquid or gasified hydrogen. On top of that, around the world transportation and handling of liquid ammonia has been around for many a long time, generating ammonia as a carbon-free fuel even more attractive.

The corporation has chosen the Dassault Falcon 50 organization jet—a extended-ranged global small business constitution jet aircraft—for the flight take a look at.

The jet has three engines, of which only two are expected for flight, allowing for the 3rd motor to be employed to exam a smaller sized engine modified to use liquid ammonia before relocating on to modify the major engines.


Aviation H2 Administrators Dr Helmut Mayer & Christof Mayer inspecting a Falcon 50 motor.

Falcon 50s also have a much larger body weight capacity, reducing the chance posed by body weight difficulties. The costs for the take a look at plan are no more substantial than when applying a lesser and more recent style of jet.

They are also comparatively widespread in Australia, this means there is a time-preserving in getting the aircraft all set for screening.


Falcon 50 in flight.

The enterprise believes building use of latest technologies and infrastructure will be important to future consumers mainly because it will allow them to modify the plane they have already invested in, alternatively than invest in a whole new fleet.

After the check flight is successful in the center of 2023, Aviation H2 will have a patentable process for modifying plane so they operate on carbon-absolutely free fuel. They will immediately seek out to certify and commercialise this item by way of a prepared community listing on a major exchange in Q4 of 2023.