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A subtle change in the nozzle shape of the outer stream causes the flow to mix more vigorously. This phenomenon is exploited to enhance mixing in a variety of applications |
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The phenomenon exemplified by these images involves axial injection of a gas at special conditions that lead to:
Enhanced mixing of the gas itself. This is called Jet Self Excitation (JSE). See an example.
Enhanced mixing of an arbitrary flow (gas or liquid) adjacent to or surrounded by the unstable gas. This is called Mixing Enhancement via Secondary Parallel Injection (MESPI). See an example.