柴油发动机缸内温度测量新技术研究

Research on temperature measurement in diesel engine combustion chamber

为测量柴油发动机缸内三维温度场,提出应用激光测试新技术,该技术通过对发动机缸体打孔,使激光进入缸体内部,利用激光的特性测试出发动机缸内湍流火焰瞬时温度。分析比较实验与计算结果,为发动机设计人员提供了新的测试技术思路。

To measure three-dimensional temperature in diesel engine combustion chamber,laser technology is presented.The jar is made a small hole and the instantaneous temperature is measured by laser entering into the small hole.The results between experiment and calculation are compared,and the paper supplies new measurement technology for researcher in engine.