Location of the vortex formation threshold at suction inlets near ground planes by computational fluid dynamics simulation
Vortices can develop in the intakes of turbojet and turbofan aero engines during high power
operation near solid surfaces such as during takeoff or ground tests. These vortices can stall
the compressor and cause significant damage. The factors determining the formation of the
vortex include engine thrust, distance from ground, and ambient vorticity. A computational
fluid dynamics study was conducted to determine whether these effects could be predicted
numerically, and the results were compared to previous wind-tunnel studies. This is the first …
operation near solid surfaces such as during takeoff or ground tests. These vortices can stall
the compressor and cause significant damage. The factors determining the formation of the
vortex include engine thrust, distance from ground, and ambient vorticity. A computational
fluid dynamics study was conducted to determine whether these effects could be predicted
numerically, and the results were compared to previous wind-tunnel studies. This is the first …
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