Underwater high-precision ultrasonic water level measurement method for hydraulic physical model

2020 ◽  
Vol 28 (9) ◽  
pp. 2027-2034
Author(s):  
Yue-jie SHU ◽  
◽  
Jun WU ◽  
Yuan-hang ZHOU ◽  
Yu-feng MA ◽  
...  
Keyword(s):  
Water Level ◽  
Physical Model ◽  
High Precision ◽  
Measurement Method ◽  
Level Measurement

scholarly journals A deep-learning based water-level measurement method from CCTV camera images

2019 ◽  
Vol 58 (1) ◽  
pp. 28-33
Author(s):  
Hideaki MAEHARA ◽  
Momoyo NAGASE ◽  
Michihiro KUCHI ◽  
Toshihisa SUZUKI ◽  
Kenji TAIRA
Keyword(s):  
Deep Learning ◽  
Water Level ◽  
Measurement Method ◽  
Level Measurement ◽  
Cctv Camera

A Water-Level Measurement Method Using Sparse Representation

2020 ◽  
Vol 54 (4) ◽  
pp. 302-312
Author(s):  
Shuqiang Guo ◽  
Yaoyao Zhang ◽  
Yu Liu
Keyword(s):  
Sparse Representation ◽  
Water Level ◽  
Measurement Method ◽  
Level Measurement

Mobile Water Level Meter System

2012 ◽  
Vol 468-471 ◽  
pp. 1508-1511
Author(s):  
Guang Xiang Xu ◽  
Yan Yan Zhang ◽  
Wu Gao
Keyword(s):  
Water Level ◽  
Physical Model ◽  
Pressure Measurement ◽  
Arbitrary Point ◽  
Zero Point ◽  
Measurement Instruments ◽  
Mobile Water ◽  
Level Measurement ◽  
Closed Tube ◽  
Level Meter

By applying the principle of the closed tube, pressure measurement and ultrasonic water level measurement instruments, a kind of mobile and unfixed zero point water level meter system was introduced and designed in this paper to overcome the deficiency of its difficulty in measuring the arbitrary point water level by the currently fixed water level meters. The mobile water level meter system can measure arbitrary point water level precisely and rapidly in a certain range. Experiment testing has already shown the feasibility of the developed water level meter system with the characteristics of light and handy, easy fabrication and learning and can thus be widely used in the study of hydraulic model and physical model experiments.

scholarly journals A Study of Sedimentation at the River Estuary on the Change of Reservoir Storage

2018 ◽  
Vol 31 ◽  
pp. 03001 ◽  
Author(s):  
Iskahar ◽  
Suripin ◽  
Isdiyana
Keyword(s):  
Flow Velocity ◽  
Water Level ◽  
Physical Model ◽  
River Estuary ◽  
Cross Sectional Area ◽  
Sectional Area ◽  
Sedimentation Pattern ◽  
Cross Sectional ◽  
Channel Angle ◽  
Reservoir Storage

Estuary of the river that leads to the reservoir has characteristics include: relatively flat, there is a change in the increase of wet cross-sectional area and backwater. The backwater will cause the flow velocity to be reduced, so that the grains of sediment with a certain diameter carried by the flow will settle in the estuary of the river. The purpose of this research is to know the distribution and sedimentation pattern at the river estuary that leads to the reservoir with the change of water level in the reservoir storage, so the solution can be found to remove / reduce sediment before entering the reservoir. The method used is the experimental, by making the physical model of the river estuary leading to the reservoir. This study expects a solution to reduce sedimentation, so that sedimentation can be removed / minimized before entering the reservoir. This research tries to apply bypass channel to reduce the sedimentation at the river estuary. Bypass channels can be applied to overcome sedimentation at the river estuary, but in order for the sediment to be removed optimally, it is necessary to modify the mouth of bypass channel and channel angle.

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