Temperature measurements on droplets in monodisperse stream using laser-induced fluorescence

被引：0
作者：
P. Lavieille
F. Lemoine
G. Lavergne
J. F. Virepinte
M. Lebouché
机构：
[1] Laboratoire d'Energétique et de Mécanique Théorique et Appliquée,
[2] 2,undefined
[3] Avenue de la Forêt de Haye,undefined
[4] BP 160 F-54504 Vandœuvre-les-Nancy cedex,undefined
[5] France,undefined
[6] ONERA/DMAE,undefined
[7] 2,undefined
[8] avenue Edouard Belin BP 4025,undefined
[9] F31055 Toulouse cedex 4,undefined
[10] France,undefined
来源：
Experiments in Fluids | 2000年 / 29卷
关键词：
Combustion; Argon; Quantum Yield; Velocity Distribution; Rhodamine;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper presents a novel technique based on laser-induced fluorescence in liquids, allowing the temperature of 200-μm diameter monodisperse droplets to be measured. The droplets are seeded with an organic dye (rhodamine B), and the temperature dependence of the fluorescence quantum yield is used to determine temperature. The use of LDA optics and a single argon laser source allows to obtain an additional simultaneous velocity measurement. The method appears particularly interesting for the validation of numerical models of evaporating and combusting droplets in the field of design of the combustion chambers of aeronautical and automotive engines, where fuel is injected in droplet form. The measurement technique and data processing are extensively described in the paper. The method is demonstrated on a heated monodisperse droplet stream: the temperature and velocity distribution along the jet were determined.
引用
收藏
页码：429 / 437
页数：8
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