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介绍音速喷嘴在气体流量计量中的基本原理 ,提出了实现三相流模拟井气体流量采集与控制的方法。气路控制软件采用VC + + 6编程实现 ,运行于Windows9x操作系统下。设计方案已投入使用 ,运行状态良好。
The basic principle of sonic nozzle in gas flow measurement is introduced. A method of gas flow acquisition and control in three-phase flow simulation well is proposed. Air control software using VC + + 6 programming, running on Windows9x operating system. Design has been put into use, running in good condition.