平面热源法导热系数和热扩散率虚实结合实验教学平台  

Experimental teaching platform for virtual and actual combination of thermal conductivity and thermal diffusivity of plane heating source method

作　　者：许兆峰[1,2] 李辉[1,3,2] 刘志颖[1,3,2] 王东泽[1,3,2] 刘培 姜培学[3,2] XU Zhaofeng;LI Hui;LIU Zhiying;WANG Dongze;LIU Pei;JIANG Peixue(National Experimental Teaching Demonstration Center for Power Engineering and Engineering Thermophysics,Tsinghua University,Beijing 100084,China;Key Laboratory for Thermal Sciences and Power Engineering of Ministry of Education,Tsinghua University,Beijing 100084,China;Department of Energy and Power Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]清华大学动力工程及工程热物理国家级实验教学示范中心,北京100084 [2]清华大学能源与动力工程系,北京100084 [3]清华大学热科学与动力工程教育部重点实验室,北京100084

出　　处：《实验技术与管理》2019年第2期235-237,251,共4页Experimental Technology and Management

基　　金：清华大学实践教学类教改研究(2017ZY01_02)

摘　　要：非稳态平面热源法导热系数和热扩散率虚实结合实验教学平台,包括实体装置和虚拟仿真系统两部分。实体装置利用非稳态平面热源法测定导热系数和热扩散率,采用触摸屏系统进行控制、数据采集和人机交互,可使学生认识客观现象,提高动手能力,强化实验技能。虚拟仿真实验系统与实体装置互补,并增加了试样空间温度场动态分布云图,可实现学生在线自主性实验研究。该虚实结合实验教学平台极大地提高了实验教学的质量和效率。The experimental teaching platform for virtual and real combination of the thermal conductivity and thermal diffusivity of the unsteady plane heating source method includes two parts, i.e., solid device and virtual simulation system. The thermal conductivity and thermal diffusivity are measured by the unsteady plane heating source method in physical devices. Using the touch screen system for control, data acquisition and human-computer interaction enables students to understand objective phenomena, improve their practical ability and strengthen their experimental skills. The virtual simulation experiment system is complementary to the physical device, and the dynamic distribution cloud map of the sampling spatial temperature field is added to realize the students’ online autonomous experimental research.

关 键 词：导热系数 热扩散率 非稳态 虚实结合 平面热源法 

分 类 号：G642.423[文化科学—高等教育学]