摘要
对引进的化工传热综合实验装置存在的问题进行了分析与改造,通过校准空气流量,排出不凝性气体,改造铂电阻温度计的放置位置,优化了实验装置。结果表明:校准后的空气流量更加准确,实验测得的套管传热准数关联式中的系数A和指数m与教材中理论值的误差减小,并且实验操作的步骤也更加简捷,实验装置的使用寿命也大幅提高。
The problems of the introduced chemical engineering principle experimental device are analyzed.The experimental device is optimized through standardizing the air flowrate value from rotameter,eliminating non-condensable gas and changing the position of the platinum resistance thermometer.The experiment results show that the calibrated air flow value is more accurate,the error of the calculated A and m values is reduced,and the experimental procedure is more convenient,the service life of the device is longer.
作者
应惠娟
俞云良
姬登祥
黄雪雷
YING Huijuan;YU Yunliang;JI Dengxiang;HUANG Xuelei(National Demonstration Center for Experimental Chemistry and Chemical Engineering Education,Zhejiang University of Technology,Hangzhou 310014,China;National Virtual Simulation Experimental Teaching of Chemistry and Chemical Engineering,Zhejiang University of Technology,Hangzhou 310014,China;Chemical Engineering College,Zhejiang University of Technology,Hangzhou 310014,China)
出处
《实验技术与管理》
CAS
北大核心
2020年第10期116-120,共5页
Experimental Technology and Management
基金
浙江省高等教育课堂教学改革项目(kg20160053)
浙江工业大学教学改革项目(Kg201803)
浙江工业大学创新性实验项目(201809)。
关键词
化工
传热
实验装置
改进
chemical engineering
heat-exchange
experimental device
improvement
