Abstract:The supersonic nozzles lower temperature to 170-180 K better for the small signal gain coefficient.But at this temperature, the CO 2 buffer gas may become liquid state. A chemical oxygen-iodine laser (COIL) employing CO 2 as buffer gas and no-flake-nozzle was studied. Some mathematical simulation in three-dimensional computation fluid dynamics was adopted first to validate its usability. New nozzles gave the temperature higher than 400 K and considerable small signal gain coefficient. In the same conditions as… Show more
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