One problem is vibrations, which engineers try to minimize. In typical jet engines, about 20 fuel injection nozzles are ...

Fuel nozzles, simplex (one jet for one fuel type or phase, usually gas), duplex (gas or liquid), dual fuel (gas and liquid at the same time), or triplex (three fuel types). If the fuel in question is ...

Most of the world's airlines are not doing enough to switch to sustainable jet fuel, according to a study by Brussels-based ...