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首页> 外文期刊>Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow >Applying 2D-2cLIF-EET thermometry for micro-droplet internal temperature imaging
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Applying 2D-2cLIF-EET thermometry for micro-droplet internal temperature imaging

机译：应用2D-2CLIF-EET温度计微液滴内部温度成像

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摘要

A new measurement system called "pulsed 2D-2cLIF-EET" has been developed to study temperature fields inside microdroplets. Pulsed fluorescence excitation allows motion blur suppression and thus simultaneous measurement of droplet size and temperature. Occurrence of morphology-dependent resonances and subsequent stimulated dye emission are accounted for by using "enhanced energy transfer". The energy transfer requires a second dye that allows re-absorption of stimulated emission and thus enables a shift of dye-lasing to higher wavelengths. However, records of the droplet's internal temperature field reveal a nonphysical inhomogeneity that is based on locally changing dye excitation intensity and locally changing efficiency of the energy transfer. Dynamics of the inhomogeneity effect are studied extensively by imaging and spectroscopy. Results are used for method optimization.
机译：已经开发出一种名为“脉冲2D-2CLIF-EET”的新测量系统，以研究微型电池内的温度场。 脉冲荧光激发允许运动模糊抑制，从而同时测量液滴尺寸和温度。 通过使用“增强的能量转移”来占形态依赖共振和随后的刺激染料排放的发生。 能量转移需要第二染料，其允许再吸收受刺激的发射，从而使染料激光的变化能够转变为更高波长。 然而，液滴内部温度场的记录揭示了非物质的不均匀性，该不均匀性是基于局部改变的染料激发强度和局部改变能量转移的效率。 通过成像和光谱，广泛地研究了不均匀性效应的动态。 结果用于方法优化。

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