点燃式发动机异常燃烧现象的光学分析.pdf

Brief Introduction 概述 Principles of New Measurement Techniques 新测量技术的 原理 Case Studies of Measurements at Various Abnormal Combustion Phenomena on SI Engines 点燃式发动机异常 燃烧现象测量案例分析 Conclusions 总结 Brief Introduction 概述 Principles of New Measurement Techniques 新测量技术的 原理 Case Studies of Measurements at Various Abnormal Combustion Phenomena on SI Engines 点燃式发动机异常 燃烧现象测量案例分析 Conclusions 总结 Conventional Combustion Analysis 传统的燃烧分析 To investigate the flame kernel development, flame propagation, in-cylinder temperature under fired operation and diagnose abnormal combustion phenomena, more detailed Pressure sensor 缸压传感器 insights into the combustion process is necessary. 研究火核形成、火焰传播、运行工况下的缸内温 度和诊断异常燃烧现象，需要获取更详细的燃烧 过程的信息。 Cylinder pressure 缸压 New Measurement Techniques 新的测量技术 • Abnormal combustion phenomena cannot be reproduced and diagnosed in transparent research engines. 异常 Flame radiation 光电测量技术 燃烧现象无法在光学发动机中进行 复现和诊断。 Endoscopic imaging • New measurement techniques has 内窥镜成像技术 been developed for the detection and diagnosis in mass produced engines. 新测量技术可以应用于量产发动机 上的检测和诊断。 Ion current 离子电流检测 Brief Introduction 概述 Principles of New Measurement Techniques 新测量技术的 原理 Case Studies of Measurements at Various Abnormal Combustion Phenomena on SI Engines 点燃式发动机异常 燃烧现象测量案例分析 Conclusions 总结 Measurement Set-Up 测试设置 Sensors Amplifiers DAQ / Controller 传感器 放大器 数采/ 控制器 Fiber Optics PMV PMV = Photo Electronical Converter 光纤 光