The numerical results also show that the first sonic point position moves away from the throat to the outlet of the micro nozzle with decrease of the throat width.

数值结果表明：在扩张比和进出口压力相同的条件下，微喷管出口马赫数随着微喷管尺度的减小而减小。

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The numerical results also show that the first sonic point position moves away from the throat to the outlet of the micro nozzle with decrease of the throat width.

数值结果表明：在扩张比和进出口压力相同的条件下，微喷管出口马赫数随着微喷管尺度的减小而减小。

youdao