Abstract: Five major methods of preparing active medium in supersonic COIL are analyzed: (1) `classical' case with upstream SOG primary buffer gas and chlorine premixing, injection and dissociation iodine vapor in the subsonic region of the supersonic nozzle; (2) mixing oxygen stream with primary buffer gas (may be cooled) downstream of SOG; (3) iodine vapor injection into boundary layers of the trans-sonic region of the small-scale grid nozzle; (4) mixing of the coflowing supersonic jets of pure oxygen and N$-2$/ $PLU I$- 2$/ mixture at close static pressures and Mach numbers; (5) mixing of co-flowing sonic (or supersonic with small Mach number) pure oxygen jets and high velocity head supersonic N$-2$/ $PLU I$-2$/ jets for reaching very high active medium recovery pressure.!15
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机译：摘要：分析了在超声速COIL中制备活性介质的五种主要方法：（1）上游SOG一级缓冲气体和氯在超声速喷嘴的亚声速区域预混合，注入和解离碘蒸气的“经典”情况; （2）将氧气流与SOG下游的主要缓冲气体（可以冷却）混合; （3）将碘蒸气注入到小型格栅喷嘴的跨音速区域的边界层中; （4）在接近的静压力和马赫数下，将纯氧和N $ -2 $ / $ PLU I $ -2 $ /混合物的同流超音速喷射器混合; （5）将并流的声波（或马赫数小的超音速）纯氧射流与高速喷头超音速N $ -2 $ / $ PLU I $ -2 $ /射流混合，以达到很高的活性介质回收压力。 15
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