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。
2
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。
3
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.