GE Aerospace demonstrates rotating detonation combustion hypersonic ramjet engine, late 2025

• GE Aerospace committed USD 225 million to modernize its Niskayuna, New York research center to expand advanced R&D capacity.
• Power electronics team demonstrated a new silicon carbide device, targeting higher efficiency and power density for electrification applications.
• Technology platform supported the world’s first high-altitude hybrid-electric test flight announced in July.
• Computational fluid dynamics group used the Frontier supercomputer to model full-scale Open Fan performance, aiming to shorten engine design timelines.
• Researchers demonstrated rotating detonation combustion ramjet engines in late 2025, advancing hypersonic propulsion for Mach 5-class flight.

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