The cool thing about valveless pulsejets is just how dead simple they are—basically just a shaped metal tube with no moving parts at all. That’s really it. Just like a hollow jar. But even though the ...

There's something unique about the Boeing 737: the flat-bottomed casings on its engines. So why do the 737's engine casings ...

In this paper, the modulating mechanism of radar echo, namely jet engine modulation effect, caused by the rotating-blades, is analyzed by equivalent the engine intake as a wave-guide model in this ...