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High-performance chemical oxygen-iodine laser using nitrogendiluent for commercial applications

机译:使用氮稀释剂的高性能化学氧碘激光器,用于商业应用

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A chemical oxygen-iodine laser (COIL), the VertiCOIL device, wasntransferred from the Air Force Research Laboratory (AFRL) to thenUniversity of Illinois at Urbana-Champaign (UIUC) and made operational.nThe performance of the high-power VertiCOIL laser was measured withnnitrogen diluent, New nozzle designs were investigated and implementednto optimize nitrogen performance, Nitrogen diluent chemical efficienciesnof 23% were achieved; these are the highest reported chemicalnefficiencies with room-temperature nitrogen diluent. A long duration,nhigh chemical efficiency test was demonstrated with nitrogen diluent; anchemical efficiency of 18.545 at 30 mmol/s of chlorine was maintainednfor 35 min. The highest performance was obtained with new iodineninjector blocks and a larger throat height. The new iodine injectornblocks moved the injectors closer to the throat by 0.7 cm and the throatnheight was increased from 0.897 to 1.151 cm (0.353 to 0.453 in). Thenperformance enhancements were in qualitative agreement with the systemndesign predictions of the Blaze II chemical laser model.nThree-dimensional computational fluid dynamics calculations using thengeneral aerodynamic simulation program code confirmed the principlendesign change of moving the iodine injectors closer to throat
机译:VertiCOIL装置是一种化学氧碘激光器(COIL),它是从空军研究实验室(AFRL)转移到当时的伊利诺伊大学香槟分校(UIUC)并投入运行的。n测量了大功率VertiCOIL激光器的性能使用氮稀释剂,研究并实施了新的喷嘴设计以优化氮的性能,氮稀释剂的化学效率达到23%;这些是室温氮稀释剂中化学效率最高的报道。用氮气稀释剂进行了长时间的高化学效率测试。在35 mmol / s的氯气下,其化学效率保持在18.545,持续35分钟。使用新的碘注射器模块和更大的喉部高度可获得最高的性能。新的碘注射器将注射器向喉部移近0.7厘米,喉高从0.897增至1.151厘米(0.353至0.453英寸)。然后性能的提高与Blaze II化学激光模型的系统设计预测在质量上相吻合。n使用通用空气动力学模拟程序代码对三维计算流体动力学进行了计算,证实了将碘注射器移近喉部的原理设计变化。

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