单气泡气液传质系数测量实验系统开发  

Experimental System Development for Single Bubble Gas-liquid Mass Transfer Coefficient Measurement

作　　者：蔡子琦[1] 王锐婷 包雨云[1] 马鑫[1] CAI Ziqi;WANG Ruiting;BAO Yuyun;MA Xin(School of Chemical Engineering,Beijing University of Chemical Technology,Beijing 100029,China)

机构地区：[1]北京化工大学化学工程学院,北京100029

出　　处：《实验室研究与探索》2024年第8期1-4,共4页Research and Exploration In Laboratory

基　　金：国家自然科学基金项目(22078008)。

摘　　要：传递过程原理是化学工程与工艺专业的核心课程之一,其中质量传递相关知识是该课程的重点和难点,而理论和实践相结合的方法是提升课堂教学效果的可行途径。设计并开发了一套基于方腔流的单气泡气液传质系数测量实验系统。将质量传递的基础理论知识和计算机图像识别技术充分结合,探索气液传质过程的影响因素。实验结果表明,增大循环体积流量和提高温度均有利于气液传质。该实验可作为传递过程原理课程理论学习的有益补充,培养学生对化工过程典型现象的科学思考和分析能力。Transport Phenomena is one of the core courses in the major of chemical engineering and technology.In the theoretical teaching of this course,the knowledge of mass transfer is the typical focus and the difficulty,and combining the theoretical teaching with practical teaching is a feasible way to improve the quality of teaching.An experimental system for measuring the gas-liquid mass transfer coefficient of single bubble based on cavity flow is designed,it combines the basic theoretical knowledge of mass transfer and computer image analysis technology to explore the factors affecting the gas-liquid mass transfer process.The experiment concludes that increasing the circulation volume flow rate and temperature is beneficial to gas-liquid mass transfer.It can be regarded as a useful supplement to the theoretical teaching of Transport Phenomena and can also cultivate students’scientific thinking and analysis ability of typical phenomena in chemical engineering processes.

关 键 词：气液传质 传递过程原理 气泡 方腔流 实验教学 

分 类 号：G642[文化科学—高等教育学]