Ultrasonic gas flow measurement based on matching principle

LI Xiao-jing; WANG Ping; LU Jing-shan

doi:10.13873/j.1000-97872006.09.022

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Ultrasonic gas flow measurement based on matching principle

更新时间：2025-09-11

- Ultrasonic gas flow measurement based on matching principle
- Issue 9, Pages: 66-68(2006)
- 作者机构：
  
  1. 天津工业大学计算中心
  2. 天津工业大学计算中心,天津,300160
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872006.09.022
  CLC： TP274.53
- Published：2006
- 稿件说明：
移动端阅览
[1]李小京,王萍,卢景山.将匹配原理用于超声波测气体流速[J].传感器与微系统,2006(09):66-68.

LI Xiao-jing, WANG Ping, LU Jing-shan. Ultrasonic gas flow measurement based on matching principle[J]. 2006, (9): 66-68.
[1]李小京,王萍,卢景山.将匹配原理用于超声波测气体流速[J].传感器与微系统,2006(09):66-68. DOI： 10.13873/j.1000-97872006.09.022.

LI Xiao-jing, WANG Ping, LU Jing-shan. Ultrasonic gas flow measurement based on matching principle[J]. 2006, (9): 66-68. DOI： 10.13873/j.1000-97872006.09.022.

摘要

声波在传播时

其波峰序列中各波峰值在不同流速、压力、温度和湿度下是不一样的

必须确定一个固定波峰才能精确测量时差。介绍了一种采用波峰特征匹配原理确定波形的确切位置

进而求出时间差的方法。它的特点是计算量小、抗管道振动性能好

当气体流速小于30m/s时

具有较高的测量精度。

Abstract

When sound wave transmits in different flow velocity

pressure

temperature and humidity

the magnitude of wave peak is not same.A fixed wave peak is must determined to measure exactly difference time.A method that determines exact location of wave peak is introduced based a wave peak match principle to find difference time.The method has less calculation and resistance to vibration

and also it has high measuring accuracy while gas flow is less than 30 m/s.

关键词

Keywords

references

相关法高抗干扰超声波距离测量中的信号处理 [J]. 葛万成. 同济大学学报(自然科学版) . 2002(01)

相关流量测量技术[M]. 天津大学出版社 , 徐苓安编著, 1988

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