基于虚拟仪器的热柱体旋涡脱落特性实验研究  

Experimental Research Based on Virtual Instrument for Vortex-shedding Characteristics of Heated-cylinder

作　　者：吕欣欣[1] 李永光[2] 张丽华[2] 邬振武[2] 蒋燕[2] 孟军磊[2] 

机构地区：[1]同济大学机械工程学院,上海201804 [2]上海电力学院能源与环境工程学院,上海200090

出　　处：《自动化仪表》2009年第6期69-71,共3页Process Automation Instrumentation

基　　金：上海市教委重点科研基金资助项目(编号:05ZZ55);上海市重点学科建设基金资助项目(编号:P1302)

摘　　要：介绍了虚拟仪器及面向仪器的图形化编程环境LabVIEW的基本概念。同时,就虚拟仪器的构成、功能及特点进行了深入的讨论。运用虚拟仪器LabVIEW,对热柱体旋涡脱落特性实验数据采集系统进行设计、测试及实现。重点阐述了虚拟仪器系统的构建和系统软件设计。利用虚拟仪器丰富的开发资源,在基本不投入仪器设备及硬件的情况下,设计了具有较高应用价值的数据采集系统。并应用软件进行滤波及归一化处理以抑制采集噪声、提高测试精度。The basic concepts of virtual instrument and instrument-oriented graphic programming environment LabVIEW are introduced. In addition, the composition, functions and features of virtual instrument are also thoroughly discussed. The experimental data acquisition system of vortex-shedding characteristics of heated-cylinder is designed, tested and implemented by using virtual instrument LabVIEW. The construction of virtual instrument system and design of system software are emphasized. Because rich resources of virtual are adopted, with very little involvement of hardware, instrument, and equipment, valuable data acquisition system is designed. Through software filtering and normalizing, noises are eliminated for enhancing test accuracy.

关 键 词：LABVIEW 虚拟仪器 热柱体 数据采集 旋涡脱落特性 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]