摘要
本文研究了内燃机燃烧室内温度场测量中的实时激光全息干涉方法,对实时激光全息干涉测温技术进行了详细的理论分析,论述了测量光路布置上的特点,解决了全息图精确复位这一技术难题,导出了全息图反演计算公式,测量出内燃机模型燃烧室内的温度场并分析了测量结果,为深入研究内燃机燃烧室内温度场的变化过程提供了基础。
The temperature measuring technique with real-time laser holographicinterferometry in engine combustion chambers has been studied in this paper.The theoretical principle of the temperature field measurement with real-time laser holographic interferometry is analyzed in detail.The characteristicfeature of the optical arrangement is described.The exact reposition ofinterferograms is achieved.The formula of the evaluation of the interfero-grams is proposed.The temperature fields in a model combustion chamberare measured and the results are discussed.A good foundation is providedfor further investigating the changing temperature fields.
出处
《内燃机学报》
EI
CAS
CSCD
北大核心
1989年第1期27-33,共7页
Transactions of Csice