1. Supersonic flow behaves very differently from subsonic flow . 2. In a subsonic flow the gas is compressible, and sound will propagate through it. 3. Unlike in subsonic flow , the supersonic flow accelerates as it moves away from the throat. 4. Because of the subsonic flow , there is no bow shock off the trailing hemisphere of Ganymede. 5. For subsonic flow , the flaps are completely closed and for supersonic flow, the flaps are open. 6. This subsonic flow then decelerates through the remainder of the diverging section and exhausts as a subsonic jet. 7. Subsonic flows are often assumed to be incompressible, i . e . the density is assumed to be constant.8. In subsonic flow , steeply swept and narrow wings are inefficient compared to a high-aspect-ratio wing. 9. For high subsonic flows , the Critical Mach number ( M 1cr ) is a characteristic value of considerable importance. 10. Supersonic flow jumps over it by means of ramps, while subsonic flow is able to turn and exit through the gap.
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