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- W2364676019 abstract "Through channel flow measurement and control test,the accurate flow measurement function of the thin wall weir channel flow intelligent measurement and control system with adjustable water-head,which using Bazin formula to calculate flow,and the feasibility of the intelligent control technology are verified.In order to further improve the operational efficiency and stability of this system and reduce power consumption,The hydraulic test on flow formula of rectangular thin wall weir is conducted.Through the analysis of relationship between water-head over weir and channel flow,flow calculation formula of rectangular thin wall weir is fitted.The correction factor,λ=0.848,is introduced to the fitting formula.The mean value of the difference between the flow value gained by substituting the water-head value over weir measured by measurement and control system into the formula and that gained by electromagnetic flow meter is-0.004L/s,the standard deviation is 0.119 and the linear correlation coefficient,R2 is 0.9891.This fitting formula has the advantages of simple form,less parameters and concise calculation compared with Bazin formula,and can meet the demand of accurate flow measurement for water-saving irrigation.It is more suitable for intelligent measure and control system in the form of thin wall weir with adjustable water-head for channel flow and has important significance for promotion and employment of this control and measure system in irrigation area." @default.
- W2364676019 created "2016-06-24" @default.
- W2364676019 creator A5034022353 @default.
- W2364676019 date "2015-01-01" @default.
- W2364676019 modified "2023-09-25" @default.
- W2364676019 title "Experimental Study on Optimization of Intelligent Measure and Control System of Thin Wall Weir with Adjustable Water-head for Channel Flow Measurement" @default.
- W2364676019 hasPublicationYear "2015" @default.
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