Fluorescence spectroscopy of kerosene vapour at high temperatures and pressures: potential for gas turbines measurements

M. Orain; P. Baranger; C. Ledier; J. Apeloig; F. Grisch

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Fluorescence spectroscopy of kerosene vapour at high temperatures and pressures: potential for gas turbines measurements

机译：煤油蒸气在高温和高压下的荧光光谱：燃气轮机测量的潜力

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Laser-induced fluorescence spectroscopy of kerosene vapour was performed in a heated test cell operating between 450 and 900 K, at pressure from 0.1 to 3.0 MPa, for oxygen molar fraction between 0 and 21 %, with different laser excitation wavelengths (248, 266, 282 and 308 nm). Results show that, depending on the laser excitation scheme, kerosene fluorescence spectrum exhibits one or two fluorescence bands in the UV-visible range (attributed to aromatics naturally present in kerosene fuel). Fluorescence intensity of these bands decreases with increasing temperature, pressure and oxygen molar fraction. Different imaging strategies were derived from spectroscopic findings to simultaneously measure temperature and equivalence ratio fields in kerosene/air sprays, or flame structure and fuel spatial distribution in kerosene/air aeronautical combustors, by means of planar laser-induced fluorescence on kerosene vapour (K-PLIF).

机译：煤油蒸气的激光诱导荧光光谱法是在温度为0.1至3.0 MPa，压力为0.1至3.0 MPa，温度为450至900 K的加热测试池中进行的，氧的摩尔分数在0至21％之间，并且激光激发波长不同（248、266， 282和308 nm）。结果表明，根据激光激发方案，煤油荧光光谱在UV可见光范围内显示一个或两个荧光带（归因于煤油燃料中天然存在的芳烃）。这些带的荧光强度随温度，压力和氧气摩尔分数的增加而降低。从光谱学发现中得出了不同的成像策略，以借助煤油蒸气上的平面激光诱导荧光来同时测量煤油/空气喷雾中的温度和当量比场，或煤油/空气航空燃烧器中的火焰结构和燃料空间分布。 PLIF）。

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《Applied physics》 |2014年第3期|729-745|共17页
作者
M. Orain; P. Baranger; C. Ledier; J. Apeloig; F. Grisch;
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作者单位

Physics Instrumentation and Sensor Department, Office National d'Etudes et de Recherches Aerospatiales (ONERA), The French Aerospace Lab, 91761 Palaiseau, France;

Physics Instrumentation and Sensor Department, Office National d'Etudes et de Recherches Aerospatiales (ONERA), The French Aerospace Lab, 91761 Palaiseau, France;

Physics Instrumentation and Sensor Department, Office National d'Etudes et de Recherches Aerospatiales (ONERA), The French Aerospace Lab, 91761 Palaiseau, France;

Physics Instrumentation and Sensor Department, Office National d'Etudes et de Recherches Aerospatiales (ONERA), The French Aerospace Lab, 91761 Palaiseau, France;

Physics Instrumentation and Sensor Department, Office National d'Etudes et de Recherches Aerospatiales (ONERA), The French Aerospace Lab, 91761 Palaiseau, France;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
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Fluorescence spectroscopy of kerosene vapour at high temperatures and pressures: potential for gas turbines measurements

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