时差法超声波流量计在大型渠道水文测量中的应用  

Application of Time Difference Ultrasonic Flowmeter in Large Channels

作　　者：牛萌萌 杨昊 NIU Mengmeng;YANG Hao(Anhui Vocational College of Grain Engineering,Hefei 230001,China;School of Advanced Manufacturing Engineering,Hefei University,Hefei 230601,China)

机构地区：[1]安徽粮食工程职业学院,安徽合肥230001 [2]合肥大学先进制造工程学院,安徽合肥230601

出　　处：《浙江水利水电学院学报》2024年第2期63-66,共4页Journal of Zhejiang University of Water Resources and Electric Power

基　　金：安徽省高校自然科学研究项目(2023AH052184)。

摘　　要：时差法超声波流量计因具有多功能性、精度高、简单易用、非侵入式安装等优点,在水文测量中被广泛应用。在大型渠道的水文流量监测中,时差法超声波流量计可以提供高精度的流量测量结果。针对应用实践中可能产生的波动误差,提出波动误差校正方法,并设计了时差法超声波流量计的应用方案,并将其与常规方法进行了比较。结果表明,时差法超声波流量计符合现行标准且效率更高,效果更好,有一定的应用和推广价值。The time difference ultrasonic flowmeter is widely used in hydrologic measurement because of its versatility,high precision,easy to use,non-invasive installation and other advantages.In the hydrological flow monitoring of large channels,the time-difference ultrasonic flowmeter can provide high precision flow measurement results.Aiming at the fluctuation error which may occur in practice,the method of fluctuation error correction is put forward,and the application scheme of ultrasonic flowmeter with time difference method is designed and compared with the conventional method.The results show that the time difference ultrasonic flowmeter conforms to the current standard with higher efficiency and better effect,and is worthy of application and popularization.

关 键 词：水文自动化 大型渠道 流量监测 时差法超声波流量计 

分 类 号：TV67[水利工程—水利水电工程]