PIV测量技术在异重流运动特性实验中的应用  

Application of PIV measurement technology in the experiment of movement characteristic of density current

作　　者：钟桂辉[1] 娄厦[1] 刘曙光[1] 郭浩淼 ZHONG Guihui;LOU Sha;LIU Shuguang;GUO Haomiao(College of Civil Engineering,Tongji University,Shanghai 200092,China)

机构地区：[1]同济大学土木工程学院,上海200092

出　　处：《实验室科学》2022年第3期17-20,24,共5页Laboratory Science

基　　金：上海市重点课程建设项目(项目编号:0200104443);同济大学精品实验项目(项目编号:0200104468)。

摘　　要：异重流是国内外研究的热点之一,也是水利工程专业“河流动力学”的重要教学内容。为加强学生对异重流运动特性专业知识的理解,提高“新工科”教育理念下学生的创新素质和综合素质,特设计出基于PIV测量技术的盐淡水异重流运动特性实验。学生通过拓展知识预习,实验方案设计,PIV测量技术学习,异重流入侵过程观察,以及异重流运动特性的结果分析,实现了综合设计型实验的训练,提高了解决实际问题的能力,提升了实验创新水平。Density current is one of the research hotspots in the world,and it is an important teaching content of“River Dynamics”for hydraulic engineering specialty.To strengthen the students'understanding of the characteristics of density current and improve the students'innovative quality and comprehensive quality under the educational concept of“New Engineering”,the experiment of the movement characteristic of density current is designed,based on PIV measurement technology.Through expanding knowledge preview,experimental scheme design,PIV measurement technology learning,observation of density current intrusion process,and experimental result analysis of density current movement characteristics,the training role of comprehensive design experiment is realized,and it improves students'ability to solve practical problems and the level of experimental innovation.

关 键 词：粒子图像测速技术 异重流 实验教学 

分 类 号：N45[自然科学总论]