A simple, essentially tubular jet engine, such as a ramjet.
A simple jet engine consisting essentially of a tube with a means of delivering fuel and ignition into the tube. The engine can only be started in a fast airflow. This type of engine is expected to be able to provide cruising speeds at Mach numbers of around 5 to 7 (5 to 7 times the speed of sound).
Origin of athodyd
- a(ero)– th(erm)ody(namic) d(uct)
From American Heritage Dictionary of the English Language, 5th Edition
- Shortened form of aerothermodynamic duct.