基于LabVIEW的空气比热容比测定系统设计  

Design of Air Specific Heat Capacity Ratio Measurement System Based on LabVIEW

作　　者：徐一清[1] 倪涌舟[1] 周益民[1] 周国泉[1] XU Yiqing;NI Yongzhou;ZHOU Yimin;ZHOU Guoquan(College of Optical,Mechanical and Electrical Engineering,Zhejiang A&F University,Hangzhou 311300,China)

机构地区：[1]浙江农林大学光机电工程学院,杭州311300

出　　处：《实验室研究与探索》2022年第6期98-101,共4页Research and Exploration In Laboratory

基　　金：教育部产学合作协同育人项目(202102153062);浙江农林大学实验技术与管理研究重点项目(JS20190004);浙江农林大学《基于mooc的大学物理先修课程》课程建设项目。

摘　　要：将传统测量装置与计算机相结合,设计了一种基于LabVIEW系统的可视化空气比热容比快速测定仪。系统以LabVIEW为软件开发平台,结合BMP388气压温度传感器、Arduino单片机以及计算机搭建整个系统硬件平台,实现了数据的自动采集和温度压力变化曲线的实时绘制和存储,提高了实验的可视化和自动化程度,有助于学生理解实验的热力学变化过程。实验结果表明,系统操作方便,测量精度高,能够较好地满足科研测试和教学实验的要求。The traditional measuring device is combined with computer,a new air specific heat capacity ratio measurement system based on LabVIEW is designed in this paper.The system is constructed by BMP388 barometric pressure sensor,Arduino MCU and the corresponding application software.The application software is developed by LabVIEW,and includes data acquisition,data storage,data analysis,data processing,and real time drawing of temperature and pressure change curve.The experimental results show that the proposed system makes the process of measurement intuitive and accurate,and it can better meet the requirements of scientific research test and teaching experiment.

关 键 词：比热容比 LABVIEW 传感器 Arduino单片机 

分 类 号：TP212.9[自动化与计算机技术—检测技术与自动化装置]