一种基于近红外短波散射的含砂量测量装置和方法

IF 1.6 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Instrumentation & Measurement Magazine Pub Date : 2023-09-01 DOI:10.1109/MIM.2023.10217024

Xianrui Li, Bin Xu, Xiaodong Zhang, Wen-Yao Ni

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引用次数: 0

摘要

河流悬沙含量(含沙量)是最重要的水文参数之一，其测量应用在水资源中具有重要意义。本文研制了一种基于850 nm波长近红外短波散射光学测量的在线含砂量测量装置，研究了散射光强度与含砂量之间的复杂变化关系。经多组实验研究，确定了含砂量测量方法，保证含砂量在0-20 kg/m3范围内，标定后测量精度的相对误差小于3.44%，不确定度为$1.0148\pm \ 0.0174\ text{kg}/\ maththrm {m}^{3}$。现场测量精度的最大相对误差为9.84%，满足国家标准10%的要求。研究成果在工农业河道侵蚀控制和取水自动监测等方面具有良好的应用前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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An Apparatus and Method for Measuring Sand Content Based on Near-Infrared Shortwave Scattering

River suspended sediment content (sand content) is one of the most important hydrological parameters, and its measurement application in water resources is of great significance. In this paper, an online sand content measurement device is developed that is based on near-infrared short-wave scattering optical measurement at 850 nm wavelength to study the complex variation relationship between scattered light intensity and sand content. The sand content measurement method is obtained after several groups of experimental research, ensuring the sand content is in the range of 0–20 kg/m3, the relative error of measurement accuracy after calibration is less than 3.44%, and the uncertainty of $1.0148\pm 0.0174\ \text{kg}/\mathrm{m}^{3}$. The maximum relative error of field measurement accuracy is 9.84%, which meets the requirement of 10% set as a national standard. The research results have good application prospects in river and channel erosion control and automatic monitoring of water extraction for industry and agriculture.

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来源期刊

IEEE Instrumentation & Measurement Magazine 工程技术-工程：电子与电气

CiteScore

4.20

自引率

4.80%

发文量

147

审稿时长

>12 weeks

期刊介绍： IEEE Instrumentation & Measurement Magazine is a bimonthly publication. It publishes in February, April, June, August, October, and December of each year. The magazine covers a wide variety of topics in instrumentation, measurement, and systems that measure or instrument equipment or other systems. The magazine has the goal of providing readable introductions and overviews of technology in instrumentation and measurement to a wide engineering audience. It does this through articles, tutorials, columns, and departments. Its goal is to cross disciplines to encourage further research and development in instrumentation and measurement.