Based on the advantages of chemiluminescence of high sensitivity and being captured by camera without additional light sourcc,a systematically studies for the feasibility of chemiluminescence solution as tracer of jet flow were carried out,and a novel laboratory test method of concentration field of jet flow to obtain integral information of instantaneous concentration field was explored.The main work contains optimization selection and calibration of chemiluminescence system,experimental facilities and analysis system for diffusion of concentration field of jet flow,and study of experiment of concentration field diffusion of jet flow.The feature of the systcm is the chemiluminescence solution as tracer of concentration field of jet flow,and the facility for image acquisition and image processing program for capturing and analyzing the diffusion process of concentration field of jet flow with space-time dynamic changes.The results indicate that the chemiluminescence system of peroxyoxalate can act as tracer of jet flow to quantitatively describe and analyze the diffusion property of concentration field of jet flow,and the independently designed and developed experimental facilities and analysis systems can measure and analyze the concentration field of jet flow flowing water.%基于化学发光具有灵敏度高、不受外界光源干扰的优势,研究将化学发光溶液作为射流示踪剂的可行性,并开发了一套用于射流浓度场扩散规律研究的实验装置和测试分析系统.开展了化学发光体系的选择与优化、射流扩散实验装置的设计与开发(水槽实验装置、射流实验装置、图像采集与图像处理)、动水条件下射流浓度场扩散实验3方面的研究工作.构建的实验系统的特点在于以化学发光溶液作为射流浓度场的示踪剂,利用图像采集装置和图像处理程序来捕捉、分析射流浓度场时空动态变化的扩散过程.研究结果表明,过氧草酸酯类化学发光体系可以作为射流示踪剂来定量描述和分析射流浓度场的扩散特性,设计开发的实验装置和分析系统可以完成测定和分析动水条件下射流浓度场的任务.
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