China completes ground test of shape-changing hypersonic ramjet

Kiswahili

Chinese researchers have successfully tested a hypersonic ramjet engine capable of changing shape during flight.

Researchers from Northwestern Polytechnical University and the Beijing Power Machinery Institute completed the ground test. They used a graphite seal to overcome a long-standing engineering challenge.

The engine’s combustion chamber throat, a moving metal component, adjusted itself in one third of a second while handling gases at 1,650 degrees Celsius.

A paper detailing the work was published in the Journal of Propulsion Technology on May 28. The graphite seal is the same material the US defence industry needs.

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