It is concluded that the calculation accuracy of the orbit thruster plume infrared radiation is improved when taking account of the influence from the nozzle expanding segment.

得出结论：在考虑喷管扩张段辐射的影响下，能够很好地改善轨控推进器尾焰红外辐射的计算准确性。

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The inlet segment of the nozzle body is internally equipped with a mounting hole which is engaged with a foam generator.

所 述的喷嘴本体进口段内开有与泡沫发生器相配合的安装孔。

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In this article the procedures are described for determining free vortex segment properties. Characteristics method is used to design nozzle which produces free vortex segment.

本文提出了确定气动窗口所需自由旋涡气动特性的过程，讨论了特征线方法在非对称超音速喷管设计中的应用，该喷管被用来产生自由旋涡流动。

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