气相扩散系数测定研究  

Study on Determination of Diffusion Coefficient of Gas Phase

作　　者：荣俊锋[1] 张晔[1] 李伏虎[1] 王金明[1] 吴姗姗[1] RONG Jun-feng;ZHANG Ye;LI Fu-hu;WANG Jin-ming;WU Shan-shan(School of Chemical Engineering,Anhui University of Science and Technology,Anhui Huainan 232001,China)

机构地区：[1]安徽理工大学化学工程学院,安徽淮南232001

出　　处：《广州化工》2022年第22期205-207,共3页GuangZhou Chemical Industry

基　　金：2020年安徽省教学示范课《化工专业实验》(13210467);省级“六卓越、一拔尖”卓越人才培养创新项目(No:2020zyrc052);安徽省化工类专业合作委员会教学研究项目(No:2020jyxm1660);安徽省化工类专业合作委员会教学研究项目(No:2017jyxm1258);安徽省化工类专业合作委员会教学研究项目(No:2018jyxm0276);省级“六卓越、一拔尖”卓越人才培养创新项目(No:2020zyrc052)。

摘　　要：根据拟稳态一维扩散原理,建立气相扩散系数测定装置。该装置具有稳定性好,实验误差小,实验装置体积小,测试过程较为简便等特点。《气相扩散系数测定研究》实验能够使学生充分掌握Stefan Cell测定气相扩散系数的方法,进一步掌握化工热力学里面的一些理论,基本构建起理论与实践结合的桥梁,使学生达到综合训练的目的,为进一步走上工作岗位打下基础。Based on the principle of quasi steady one-dimensional diffusion,a device for measuring the diffusion coefficient of gas phase was established.The device has the characteristics of good stability,small experimental error,small size of experimental device and simple testing process.The experiment of“Research on the Determination of Gas Phase Diffusion Coefficient”enables students to fully master Stefan Cell s method of measuring gas phase diffusion coefficient,further master some theories of chemical thermodynamics,and basically build a bridge between theory and practice,so that students can achieve the purpose of comprehensive training and lay a foundation for further work.

关 键 词：扩散 stefan管 气相扩散系数 

分 类 号：G640[文化科学—高等教育学]