真空チャンバを使用した模擬成層圏における紫外光照射下のNO_x-O_3反応系の挙動(熱工学,内燃機関,動力など)

概要

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This fundamental study on the effect of jet exhaust gas on the stratospheric ozone layer was performed experimentally. The stratospheric condition was simulated using a large vacuum chamber, where the pressure was sustained at 2.67 kPa and an ultraviolet ray source was directed. This condition was defined as a simulated ozone layer. A low-pressure mercury lamp was used as a source of ultraviolet rays. After evacuating the chamber, a certain amount of NO or NO_2 was injected into the chamber and was diluted by Air or N_2. Then ultraviolet rays started emitting and the evolution of NO and NO_2 was observed by LIF measurement. Calculations using properties in the stratosphere were conducted to compare with the experimental results. In addition to that, calculations were performed using properties from the experimental results. As a result of this study, we could determine the tendencies of these reactions in the stratosphere, including NO, NO_2 and O_3, and make out their mechanisms.
社団法人日本機械学会の論文
2002-07-25