Engineering
8 years ago

New afterburner system reduces jet noise by 10 decibels! 🛩🔇

A concept for jet noise suppression for an afterburning turbojet engine
R. E. Chambellan, Richard Turek

Paper Summary

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A new design for afterburner systems in turbojet engines can reduce jet noise by around 10 decibels. The system includes swirl-can combustors and moving nozzle tubes. These tubes shift position when not in use. Initial calculations and model photos show how this design could work on a turbojet engine.