| 快速压缩(膨胀)机的湍流问题和光学诊断优化方法 |
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| 引用本文： | 吴东远,李雪松,董雪,许敏.快速压缩(膨胀)机的湍流问题和光学诊断优化方法[J].车用发动机,2017(1). |
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| 作者姓名： | 吴东远 李雪松 董雪 许敏 |
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| 作者单位： | 1. 上海交通大学汽车电子控制技术国家工程实验室,上海,200240;2. 明尼苏达大学托马斯·墨菲发动机研究实验室, 明尼阿波利斯 55414 |
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| 摘 要： | 回顾了典型快速压缩(膨胀)机的基本原理和结构特征,并阐述了快速压缩(膨胀)机运行时缸内存在的湍流问题。此外,结合各研究实例中的典型测试方法,重点介绍了在快速压缩(膨胀)机研究中用于速度场、温度和浓度测量的光学诊断技术,并阐述了目前光学诊断技术应用于快速压缩(膨胀)机的测试能力及其局限性。
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| 关 键 词： | 快速压缩(膨胀)机 光学诊断 湍流 流场测量 |
Turbulence Fault and Optical Diagnosis of Rapid Compression or Expansion Machine |
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| WU Dongyuan,LI Xuesong,DONG Xue,XU Min.Turbulence Fault and Optical Diagnosis of Rapid Compression or Expansion Machine[J].Vehicle Engine,2017(1). |
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| Authors: | WU Dongyuan LI Xuesong DONG Xue XU Min |
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| Abstract: | The working principle and structural feature of rapid compression or expansion machine were first reviewed and the turbulence problem during the compression or expansion was further described.Besides, the key optical diagnostic techniques for measuring the velocity, temperature and concentration were emphatically introduced and the capabilities and limitations of optical diagnostic method were summarized based on the typical test method of each research case. |
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| Keywords: | rapid compression or expansion machine optical diagnosis turbulence flow field measurement |
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