| 梯形渠道多声道超声波测流数学模型及计算方法 |
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| 引用本文： | 雷艳,范华秀,赖旭.梯形渠道多声道超声波测流数学模型及计算方法[J].武汉大学学报(工学版),1997(1). |
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| 作者姓名： | 雷艳 范华秀 赖旭 |
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| 摘 要： | 以正交函数和超声波测流计算理论为基础，结合梯形断面流速分布规律，分别应用高斯和马尔柯夫数值计算方法，推导出梯形渠道多声道超声波测流流量计算、声道分布坐标及声道加权积分系数的数学模型，并利用实测资料对数学模型的精确性进行了验证
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| 关 键 词： | 超声波 声道 梯形渠道 流速分布 |
Mathematical Models for Acoustic Flow Measurement in Trapezoidal Channel and Calculation Mothods |
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| Lei Yan.Mathematical Models for Acoustic Flow Measurement in Trapezoidal Channel and Calculation Mothods[J].Engineering Journal of Wuhan University,1997(1). |
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| Authors: | Lei Yan |
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| Affiliation: | Lei Yan(Department of Hydroelectric Engineering) Fan Huaxiu(Department of Hydroelectric Power Engineering) Lai Xu (Department of Hydroelectric Engineering) |
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| Abstract: | Based on the theory of orthogonal functions and calculation of acoustic flow measurement,the mathematical models about discharge calculation,path distribution coordinates and weight coefficient of multiple path supersonic flow measurement in trapezoidal channel are obtained.by using Markov and Gauss numerical calculation methods respectively.The validity of these models has been proved by field data. |
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| Keywords: | ultrasonic sound path trapezoidal channel velocity distribution |
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