考虑覆盖率下时差式超声流量计的平面声道模型

doi:10.3969/j.issn.1000-565X.2014.01.001

华南理工大学学报（自然科学版） ›› 2014, Vol. 42 ›› Issue (1): 1-5.doi: 10.3969/j.issn.1000-565X.2014.01.001

• 机械工程 • 下一篇

考虑覆盖率下时差式超声流量计的平面声道模型

刘桂雄¹陈国宇¹朱斌庚¹谭文胜²

1．华南理工大学机械与汽车工程学院，广东广州 510640; 2．广州柏诚智能科技有限公司，广东广州 511442

收稿日期:2013-09-26 修回日期:2013-11-04 出版日期:2014-01-25 发布日期:2013-12-01
通信作者: 刘桂雄(1968-)，男，教授，博士生导师，主要从事先进传感与仪器研究． E-mail:megxliu@scut.edu.cn
作者简介:刘桂雄(1968-)，男，教授，博士生导师，主要从事先进传感与仪器研究．
基金资助:
国家火炬计划产业化示范项目(2012GH051675);广州市科技计划项目(2013J4400064);国家科技型中小企业技术创新基金资助项目(12C26214405145)

2D Ultrasonic Track Model of Transit- Time Ultrasonic Flowmeter Considering Track Coverage

Liu Gui- xiong¹Chen Guo- yu¹Zhu Bin- geng¹Tan Wen- sheng²

1. School of Mechanical and Automotive Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China;2. Basic Intelligence Technology Co.,Ltd.,

Received:2013-09-26 Revised:2013-11-04 Online:2014-01-25 Published:2013-12-01
Contact: 刘桂雄(1968-)，男，教授，博士生导师，主要从事先进传感与仪器研究． E-mail:megxliu@scut.edu.cn
About author:刘桂雄(1968-)，男，教授，博士生导师，主要从事先进传感与仪器研究．
Supported by:
国家火炬计划产业化示范项目(2012GH051675);广州市科技计划项目(2013J4400064);国家科技型中小企业技术创新基金资助项目(12C26214405145)

摘要/Abstract

摘要： 为考察时差式超声流量计的声道覆盖率、布置方式对测量结果准确性的影响，对立体声道的平面声道模型进行了特性分析，推导出不同覆盖方式下覆盖面积的计算公式、声道段总数范围的确定公式以及声道段中心线至管道横截面中心距离的计算公式，并进行平面声道模型参数的设计．实例计算结果表明，文中提出的时差式超声流量计立体声道的平面声道模型计算方法是有效的．

关键词: 超声流量计, 声道覆盖率, 平面声道模型, 声道段数

Abstract:

In order to reveal the effects of coverage and arrangement of ultrasonic track on the measurement accuracyof transit- time ultrasonic flowmeter,the characteristics of the 2D ultrasonic track model of 3D ultrasonic track wereanalyzed,and some formulas were deduced to calculate the coverage area in different covering modes,the numberof track segments as well as the distance between the centerlines of track segments and the center of pipe crosssec-tion,respectively.Moreover,a parameter design of the 2D ultrasonic track model was conducted.The results ofcase study indicate that the calculation method of the 2D ultrasonic track model of 3D ultrasonic track is effective.

Key words: ultrasonic flowmeter, sound track coverage, 2D ultrasonic track model, sound track segment number

中图分类号:

TP216

刘桂雄陈国宇朱斌庚谭文胜. 考虑覆盖率下时差式超声流量计的平面声道模型[J]. 华南理工大学学报（自然科学版）, 2014, 42(1): 1-5.

Liu Gui- xiong Chen Guo- yu Zhu Bin- geng Tan Wen- sheng. 2D Ultrasonic Track Model of Transit- Time Ultrasonic Flowmeter Considering Track Coverage[J]. Journal of South China University of Technology (Natural Science Edition), 2014, 42(1): 1-5.

考虑覆盖率下时差式超声流量计的平面声道模型

2D Ultrasonic Track Model of Transit- Time Ultrasonic Flowmeter Considering Track Coverage

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