Hydrogen Optimization & Testing (HOT)

Project HOT aims to build validated knowledge and data on hydrogen fuel systems. This is achieved by designing, developing, and testing storage, distribution, and propulsion systems for Fokker Next Gen’s F120H aircraft. To extensively test and optimize these systems before they enter operation, the project utilizes three advanced testing methods: a Virtual Twin (a digital representation of the system design used for development, optimization, and validation through simulations), an Iron Bird (a physical test setup of the fuel system), and a Digital Twin of the Iron Bird (a digital representation of the physical test setup for further analysis and optimization using real-time operational data).

The project was initiated in response to the increasing demand for sustainable aviation solutions and the challenges associated with storing, distributing, and conditioning liquid hydrogen in aircraft, as well as integrating it into propulsion systems. The aviation industry has committed to climate neutrality by 2050, accelerating the search for emission-free propulsion systems. Hydrogen is seen as a promising solution to significantly reduce CO₂ emissions. By utilizing Virtual Twin methodologies, the HOT project speeds up development and reduces risks through early-stage simulations and optimizations. This project focuses on creating a safe and efficient system to support the transition to sustainable aviation.

This project supports sustainable aviation by developing efficient systems for storing, distributing, and conditioning liquid hydrogen. Hydrogen, when used in fuel cells or combustion engines, produces zero CO₂ emissions. By optimizing and integrating these technologies into propulsion systems, the project accelerates the transition to emission-free aviation. Additionally, Virtual Twin methodologies enable rapid simulations and improvements, driving innovation and bringing the aviation industry closer to its goal of climate neutrality by 2050.

• On January 29, the concept phase of the HOT project was successfully completed, delivering a conceptual design of a hydrogen storage and distribution system for the F120H.
• This design, along with all relevant supporting data, has been stored in the concept version of the Virtual Twin.
• With the concept design now established in the Virtual Twin, we can accelerate development towards ground testing through rapid simulation and optimization iterations, ensuring seamless integration of various components.

• phase will begin.
• During this second phase, the hydrogen storage and distribution system will be further refined, and the scope will be expanded to include the development of hydrogen conditioning and combustion technologies.
• The Virtual Twin will be enhanced with new components, such as CFD and FEM simulations, and an Iron Bird will be developed to physically test the fuel system.