Bell mouth
The shape of the inlet of an augmentor tube that forms a smooth converging duct. The bell mouth shape allows the maximum amount of air to be drawn into the tube.
Aviation Maintenance Technician Handbook — Powerplant, p. G-3
The shape of the inlet of an augmentor tube that forms a smooth converging duct. The bell mouth shape allows the maximum amount of air to be drawn into the tube.
Aviation Maintenance Technician Handbook — Powerplant, p. G-3