The free shear layer is a typical flow phenomenon which includes transition and turbulence. The plane jet is a type of free shear flow more complicated than the plane mixing layer.

自由剪切流是一种典型的包含转捩和湍流的流动现象，而平面射流是一种比平面混合层复杂的自由剪切流。

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The Jet expands more rapidly in the minor plane than in the major plane, which occurs both in cool flow and combustion process.

流动和燃烧的实验结果都表明副平面内的射流扩展角度大于主平面。

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Honda spent 20 years developing its new jet plane after nearly abandoning the idea early on.

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