A precision water-level and sediment-load monitoring system - An update

被引：0

作者：

Pao, Hsien P. ^{[1
]}

Ling, Sung C. ^{[1
]}

机构：

[1] Catholic Univ Amer, Sch Engn, Washington, DC 20064 USA

来源：

PROCEEDINGS OF THE CONFERENCE OF GLOBAL CHINESE SCHOLARS ON HYDRODYNAMICS | 2006年

关键词：

pneumatic water-level gage; low-pass pneumatic pre-filtering; sediment load monitoring;

D O I：

暂无

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This paper presents an update of the basic design and performance of a precision pneumatic water-level gage that is suitable for application in most severe environments. The key to the success of this pneumatic bubbler gage is the incorporation of an analog "traveling-wave" low-pass filter which pre-filters out the noises generated by wind waves, swells and other short-period disturbances. It eliminates the high cost and error problems associated with a stilling well. The system satisfies the basic design requirement of +/- 1mm resolution of water head. With multiple gages setup, the system can also be used to monitor the sediment load in rivers, estuaries and coastal waters.

引用

页码：287 / +

页数：2

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