Development of Laser-Based Quantitative Diagnostic Techniques for Turbulent Combustion Flow Field of Jet-Engines

被引：0

作者：

Liu J.-R. ^{[1
]}

Hu Z.-Y. ^{[1
]}

Ye J.-F. ^{[1
]}

Zhang Z.-R. ^{[1
]}

Wang S. ^{[1
]}

Li G.-H. ^{[1
]}

Shao J. ^{[1
]}

Tao B. ^{[1
]}

Fang B.-L. ^{[1
]}

Feng G.-B. ^{[1
]}

机构：

[1] State Key Laboratory of Laser Interaction with Matter, Northwest Institute of Nuclear Technology, Xi'an

来源：

Tuijin Jishu/Journal of Propulsion Technology | 2022年 / 43卷 / 03期

关键词：

Combustion flow field; Jet-engine; Laser-based diagnostics; Overview; Quantitative measurement;

D O I：

10.13675/j.cnki.tjjs.210216

中图分类号：

学科分类号：

摘要：

The quantitative measurements of the characteristics of combustion flow field are essential for the development of engines. The inner flow of jet-engine fueled by kerosene is a complex strong turbulent combustion flow field with high temperature and high pressure. The present paper will focus on the quantitative diagnostic techniques developed by the authors' laboratory, which directed against the needs of the quantitative measurements of temperature, speed and species concentration for the jet-engine combustion flow field. The experimental set-up consists of Coherent Anti-Stokes Raman Scattering(CARS) system for temperature measurement, the Hydroxyl Tagging Velocimetry(HTV) system for speed measurement and the Spontaneous Raman Scattering(SRS) system for species concentration measurement. The applications of this experimental system in the diagnostics of complex strong turbulent combustion flow field are introduced. The difficulties of quantitative measurement techniques are analyzed concretely. The solved methods and the key techniques are presented. The measured results and the uncertainties for ground testing of jet-engine are given. © 2022, Editorial Department of Journal of Propulsion Technology. All right reserved.

引用

共 50 条

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