Oh  Concentration  Measurements In  A Jet  Engine  Exhaust

K. J. HUGHES; M. POURKASHANIAN; C. W. WILSON

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Oh Concentration Measurements In A Jet Engine Exhaust

机译：哦，喷气发动机排气中的浓度测量

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Aerosol precursor emissions from jet engines are related to the emission of sulfur(VI) in the form of SO_3. Conversion of SO_2 to SO_3 occurs via the reactions OH + SO_2≒ HOSO_2 followed by HOSO_2 + O_2 → SO_3 + HO_2. The efficiency is critically dependent on the concentration of OH, which was measured using laser-induced fluorescence at the exit of a rig designed to simulate the thermodynamic processes involved in the expansion of gases through the turbine and nozzle stages of a jet engine. OH concentrations on the order of 1×10~(10) molecules cm~(-3) were obtained.

机译：喷气发动机的气溶胶前驱物排放与SO_3形式的硫（VI）排放有关。 SO_2向SO_3的转化是通过反应OH + SO_2→HOSO_2，然后是HOSO_2 + O_2→SO_3 + HO_2。效率严格取决于OH的浓度，OH的浓度是在设备出口处使用激光诱导的荧光测量的，该设备设计为模拟通过喷气发动机的涡轮和喷嘴级进行气体膨胀所涉及的热力学过程。得到的OH浓度约为1×10〜（10）个分子cm〜（-3）。

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来源
《Clean air》 |2007年第4期|p.305-320|共16页
作者
K. J. HUGHES; M. POURKASHANIAN; C. W. WILSON;
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作者单位

Centre for Computational Fluid Dynamics, University of Leeds, Leeds, LS2 9JT, UK;

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原文格式 PDF
正文语种 eng
中图分类环境科学、安全科学;
关键词
OH; so_x; laser-induced fluorescence;

机译：OH;so_x;激光诱导的荧光;

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1. Chemiion concentration measurements in jet engine exhaust at the ground: Implications for ion chemistry and aerosol formation in the wake of a jet aircraft [J] . Arnold F., Wiedemer V., Aberle S., Geophysical Research Letters . 2000,第12期

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机译：喷气飞机发动机排气中的正负离子测量：浓度，大小及其对气溶胶形成的影响
3. Laser-spectroscopic investigation of OH-radical concentrations in the exhaust plane of jet engines [J] . Boeckle S., Hildenbrand F., Orlemann C., Geophysical Research Letters . 1999,第13期

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7. Chemiion concentration measurements in jet engine exhaust at the ground: Implications for ion chemistry and aerosol formation in the wake of a jet aircraft [O] . F. Arnold, A. Kiendler, V. Wiedemer, 2000

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Oh Concentration Measurements In A Jet Engine Exhaust

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