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移动式CARS系统测量超声速燃烧室出口温度

Mobile CARS Temperature Measurements at Exhaust of Supersonic Combustor

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摘要

发动机测试现场的实验环境普遍存在强振动、高噪声等干扰条件,常规的用于光学实验室的激光诊断测量系统庞大、复杂且易受干扰,无法直接应用到这样的恶劣环境中。通过模块化设计和有针对性的抗振动设计,研制了一台可用于发动机现场测试、体积相对较小、结构紧凑的集成化相干反斯托克斯拉曼散射(CARS)诊断系统。测温实验前测量了发动机测试过程中的振动结果,分析了振动来源和特点,有针对性地采取了减振措施,进一步降低了振动对集成化系统的干扰。利用集成化CARS系统测量了超声速燃烧室出口喷流的温度,获得了单脉冲CARS温度拟合结果和温度随时间的变化。测量结果显示不稳定燃烧状态下的温度抖动范围大于稳定燃烧状态,但平均温度低于稳定燃烧状态,表明不稳定燃烧的效率相对较低。

Abstract

The environment of engine test is usually companied with strong vibration and intense noise. The laboratorial laser combustion diagnostic systems can not be directly used in the harsh environment of engine test. Through modularization and anti-vibrating engineering designs, an integrated mobile coherent anti-Stokes Raman scattering (CARS) system is developed, which can be used in the engine test. To analyze the sources and characteristics of vibrations, the vibrations in the engine test are measured. Some de-vibrating techniques are utilized accordingly, and vibrations on the mobile CARS system decrease effectively. Employing the mobile CARS system, single pulse CARS measurements and temperature evolution on a model supersonic engine combustor are obtained. According to the results, temperature range of unstable combustion is higher than that of stable combustion, but the mean temperature is lower, indicating that the efficiency of unstable combustion is lower.

Newport宣传-MKS新实验室计划
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中图分类号:TN249, TK16

DOI:10.3788/cjl201340.0408007

所属栏目:测量与计量

收稿日期:2012-11-21

修改稿日期:2013-01-10

网络出版日期:--

作者单位    点击查看

张立荣:西北核技术研究所,激光与物质相互作用国家重点实验室, 陕西 西安 710024
胡志云:西北核技术研究所,激光与物质相互作用国家重点实验室, 陕西 西安 710024
叶景峰:西北核技术研究所,激光与物质相互作用国家重点实验室, 陕西 西安 710024
邵珺:西北核技术研究所,激光与物质相互作用国家重点实验室, 陕西 西安 710024
张振荣:西北核技术研究所,激光与物质相互作用国家重点实验室, 陕西 西安 710024
刘晶儒:西北核技术研究所,激光与物质相互作用国家重点实验室, 陕西 西安 710024

联系人作者:张立荣(oreelue@163.com)

备注:张立荣(1980—),男,本科,助理研究员,主要从事激光燃烧诊断技术方面的研究。

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【12】Hu Zhiyun, Zhang Zhenrong, Liu Jingru et al.. Temperature measurement in CH4/air flame by single pulse USED CARS[J]. Chinese J. Lasers, 2004, 31(5): 610~612
胡志云, 张振荣, 刘晶儒 等. 用单次脉冲非稳腔空间增强探测CARS技术测量火焰温度[J]. 中国激光, 2004, 31(5): 610~612

引用该论文

Zhang Lirong,Hu Zhiyun,Ye Jingfeng,Shao Jun,Zhang Zhenrong,Liu Jingru. Mobile CARS Temperature Measurements at Exhaust of Supersonic Combustor[J]. Chinese Journal of Lasers, 2013, 40(4): 0408007

张立荣,胡志云,叶景峰,邵珺,张振荣,刘晶儒. 移动式CARS系统测量超声速燃烧室出口温度[J]. 中国激光, 2013, 40(4): 0408007

被引情况

【1】张振荣,朱峰,李国华,瞿谱波,黄超,沈炎龙,胡志云. 基于XeF(C-A)激光激励的自发拉曼散射技术研究. 光学学报, 2014, 34(11): 1114001--1

【2】王晟,邵珺,李国华,赵新艳,胡志云,刘晶儒. 基于检测分子瑞利散射光多普勒频移的流场多点速度测量. 中国激光, 2015, 42(10): 1015002--1

【3】刘晶儒,胡志云. 基于激光的测量技术在燃烧流场诊断中的应用. 中国光学, 2018, 11(4): 531-549

【4】邵珺,叶景峰,王晟,胡志云,方波浪,张振荣,李景银. 燃烧流场羟基示踪测速的噪声去除方法. 中国激光, 2019, 46(3): 309001--1

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