Theoretical and Experimental Analysis of Operating Conditions of a Circular Flap Gate for an Automatic Upstream Water Level Control

Kubrak, Janusz; Kubrak, Elżbieta; Kaca, E.; Kiczko, Adam; Kubrak, Michał

doi:10.3390/w11122576

Cited by 4 publications

(2 citation statements)

References 4 publications

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“…Changing the position of the Magnet, bringing it closer to the lid, leads to an increase in the closing moment of the lid, which leads to an increase in the water level at which the lid H0 opens, and a minimum flow of Qmin. such problems are considered [12]. According to the dynamic collision of watercourses, a model with a swing of mazels was created, to reduce the size of the modeling zone and the estimated time during modeling, two general types of bridge supports were considered, the research results showed engineers that the water flow velocity and pressure around the bridge support were considered, and the technique proposed in the article significantly increased the accuracy of the calculated force values [13].…”

Section: Introductionmentioning

confidence: 99%

Investigation of linear models for control of water flow and temperature in a water supply system

Asset,

Mansurova,

Zhmud

et al. 2024

IJEECS

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In some cases, the object model is a set of parallel models of the same general appearance, but with different parameters. The most common model is a model in the form of a serial connection of a first- or second-order filter and a delay link. An example is the water supply system of a large residential building or a group of houses. From the most general considerations, we can expect that such an object can be approximately described by a simpler model, replacing the sum of identical-looking models with different parameters with a single model of this type with averaged parameters, however, finding many parameters simply in the form of an average is, apparently, an unreasonable approach. It seems more reasonable to find the parameters by the approximating model by numerical optimization, in which the integral from the module or from the square of the deviation of the output signal of such a model from the output signal of the exact model is minimized when the test signal is applied. For linear models, the most reasonable test signal is a single step effect. This article tests this hypothesis and provides the results of this test.

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Section: Introductionmentioning

confidence: 99%

Investigation of linear models for control of water flow and temperature in a water supply system

Asset,

Mansurova,

Zhmud

et al. 2024

IJEECS

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show abstract

“…Automatic movable gates are installed in the inlet heads of culverts and drainage pipes [4]. In irrigation, hydro-automatic gates are used, which include the Begeman gate [5] (or flap gate) and the Romaine gate, operating under free flow conditions [6].…”

Section: Introductionmentioning

confidence: 99%

Water flow regulator for irrigation canals

Benin

Snezhko

2021

E3S Web Conf.

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A distinctive feature of the irrigated systems of the Russian Federation is a large area of irrigated areas and a significant length of irrigation canals. With a large area of the irrigated massif on small canals, the use of electricity to regulate the throughput of network hydraulic structures is economically ineffective. Preference is given to means of hydraulic automation of water supply. Regulation of the throughput of a hydraulic structure is based on the laws of fluid flow within it. On irrigation canals in Russia, as in world practice, water-operated gates are widely used. One of the disadvantages of such gates is moving metal parts and sensors, which reduce the operational reliability of structures. A new regulator of throughput is proposed, the action of which is based on the injection effect. Compression of the flow by physical elements was replaced by the circulation of surplus water supply between the outlet section of the water supply structure and the downstream. The regulator is built into the pressure drop between the high and low order channels. Regulating the throughput of the tubular water outlet automatically begins after shutting down one or more sprinklers that take water from the lower order canal. After turning the sprinklers into operation, the regulator automatically restores the original throughput. Using the theory of jet pumps, a new method has been developed for the theoretical determination of the main hydraulic characteristics of the regulator. These include the size of the nozzle and the velocities of the injection and injection streams. The derivation of theoretical dependencies was based on the classical equations of fluid mechanics; the flow within the structure was considered quasi-one-dimensional. The obtained calculated dependencies were verified using numerical and physical modeling. The data of the physical and numerical experiment were in good agreement with the theoretical dependences. Further optimization of the controller can be performed by changing its geometric parameters.

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Design and implementation of tilting‐plate drainage equipment for paddy field

Duan,

Xiang,

Shi

et al. 2024

Engineering Reports

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Drainage equipment is an important part of paddy field drainage and irrigation system, and its performance research and application are conducive to the promotion and implementation of high‐standard farmland construction. Aiming at the different water demand of rice in different growing stages, low water level control precision, large manual operation and extensive management of existing drainage machinery, a tilting‐plate drainage equipment using upper overflow mode was proposed in this paper. Based on the Geneva mechanism principle, a unique linkage mechanism is designed, which can realize water retaining operation and silt discharge operation through a single motor drive, and the relationship between the motor angle and the water retaining height is established. Through mechanical analysis and dynamic simulation of the mechanism, the motion characteristics of the water baffle, silt plate and the change of the motor torque are studied. A remote control system based on a 4G module is designed to control the drainage equipment easily through the user layer. The performance test of the prototype shows that the precision error of the optimized water retaining height control is less than 3.75%. The maximum height of water retaining operation is 180 mm, and the maximum load of silt discharge operation is 10 kg, which can meet the actual operation requirements. The design is beneficial to improve the precision and intelligence level of paddy field drainage management, and the research process can provide some help for the development and application of this kind of equipment.

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Theoretical and Experimental Analysis of Operating Conditions of a Circular Flap Gate for an Automatic Upstream Water Level Control

Cited by 4 publications

References 4 publications

Investigation of linear models for control of water flow and temperature in a water supply system

Investigation of linear models for control of water flow and temperature in a water supply system

Water flow regulator for irrigation canals

Design and implementation of tilting‐plate drainage equipment for paddy field

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