Heavy duty cast slide sluice gates waterman valve llc. The sluice gate flow rate measurement is based on the bernoulli equation and can be expressed as. If the reinforcement systems are different, please complete one checklist per sluice gate drive. Hydraulic jump and energy dissipation with sluice gate. Waterman heavyduty cast iron slide sluice gates are used in applications where safety and reliable performance are essential dams, tidal environments, water treatment plants and where outstanding product longevity is desired waterman cast gates are preferred for highhead up to 200. Rodney hunt will furnish the gate shown in the table for all applications where the head is equal to or less than the design head indicated. For example the jayakarta sluice gate, needs advancement in its operating. A nonrising stem is attached to the gate through a nonrotating lifting nut that is permanently affixed to the gate. A lifting nut that rotates to raise and lower the stem. Design of automatic sluice gate using level control. Variables such as the opening size, product density, head height of. In order to design a sluice gate it is necessary to determine the headdischarge relationship qfh, and the pressure distribution over the gate. Similarly, the pressure p 2 will also act through its center of pressure which is also at a height of from the bottom of the gate.
This paper presents an intelligent prediction of discharge through a side sluice gate under free flow conditions using gene. Eliminates the need for grouting behind gate prepositions and aligns gate protects against gate distortion permits gate to be relocated or moved for cleaning or painting forms the opening during pour can act as positive transition from pipe. Analysis of rectangular side sluice gate article pdf available in journal of irrigation and drainage engineering 1196 november 1993 with 3,567 reads how we measure reads. Example sluice gate a sluice gate controls flow in open channels. Erbisti erbisti 2nd edition 2nd edition design of hydraulic gatesdesignofhydraulicgates an informa business revised and updated, this second edition of design of hydraulic gates maintains the same goal as the original. Necessary calculations is carried out using the assumed width to compare if it would be able to provide the designed water depth or level in the pond within the specified time. With over 50 years of experience in water treatment applications, orbinox has developed a complete range of penstocksslide gates for the most diverse applications, such as water treatment plants, desalination plants, irrigation systems, storm tanks and flood control systems.
Experimental validation of volume of fluid method for a. Fontaineaquanoxs series 20 sluice gate is a highly versatile flow control gate with various types of mountings. For each water depth used, determine the flowrate, under the sluice gate by using the continuity equation q qa 11vbz1v. The uniquely designed bronze seats lock into a dovetailed groove in the gate frame and disc, creating a tight seal for low leakage. Hydraulic jump and energy dissipation with sluice gate youngkyu kim 1, gyewoon choi 2. Deficiencies that are caused, can be minimized with the help of an automatic sluice. A sluice gate is a mechanism used to control water flow. Many gates installed more than 100 years ago remain in service today. The general principle is to assume a width, b, for the gate. Amra, ascap, abramus digital, umpi, latinautor, kobalt music publishing, and 16 music rights societies show more show less. In some instances, several gates are listed for the same size.
The seal design keeps the allowable leakage rate to 0. Dimension definition please define the dimensions for your project using the sketch and enter them in the following table. Lock gate water pressure fluid mechanics engineering. The purpose of this experiment is to compare the theoretical flowrate with the experimentally determined flowrate. This guidance is not intended for use in designing repairs to existing hss. Abstract three gated outlet systems at yellowtail afterbay dam were analyzed to develop discharge curves and equations needed for an automated gate control system that will regulate flow rates in the bighorn river and the. Proposed alternates must be preapproved, per addendum, at least 14days prior to close of bid.
Wingate is a new interactive computer program that provides discharge calibration of. Rodney hunt cast iron sluice gates have a long history of successful performance. Gates are used to regulate the level and flow in open channels and reservoirs. Pdf sluicegate discharge coefficient is an involved function of geometric and hydraulic parameters. Water at the same level either side of the floodgate, or higher on the downstream side, causes the floodgate to close thus restricting the movement of. Experimental validation of volume of fluid method for a sluice gate flow a. How to build and operate sluice boxes heckler fabrication. Contraction coefficients for radial and sluice gates in wingate software albert clemmens1 tony wahl2 gilles belaud3. This manual prescribes guidance for designing new hydraulic steel structures hss by load and resistance factor design lrfd. Calculations penstocks prototype college of engineering department of mechanical engineering. The width of sluice gate can be determined by repetitive computation procedure.
The design mimics the existing 1930s riveted gate construction using modern materials and joining methods. This design would control and stabilize the brine flow through a flashing stage of a multistage flash unit. This pressure is given by continuity of the pressure exerted downstream from the gate. Guide index download guide pdf kws slide gates are made for a wide variety of applications.
Figure 1 shows the diagram of the flow under a sluice gate, assuming that there are no energy losses. Design of replacement vertical lift sluice gate for. Hydraulic performance of sluice gate with unloaded. Gates of the radial or trainer type are used as sluice gates, spillway gates, submerged intake gates and log. The pressure components in the equation are in general. Calculation of contraction coefficient under sluice gates.
Introduction apenstockis a sluice or gate or intake structure that controls water flow, or an enclosed pipe that delivers water tohydraulic turbines and seweragesystems. Sluice building use in our sluice design projects but they have to be understood for what they were, which is a study of a small scale. Design of replacement vertical lift sluice gate for kinloch rannoch weir r. A little consideration will show, that half of the resultant pressure i. Adaptable to different applications, the series 20 can be designed to the required seating and unseating heads. At sections 1 and 2, the flow is uniform and the pressure is hydrostatic. The flowrate of water under a sluice gate as shown on the figure is a function of the water depths upstream and downstream of the gate. Hydro gate fabricated slide gates are available in two different material combinations.
The project design is based on the waterman ss250 series fabricated slide gate as manufactured by waterman industries of exeter, california. These devices are often used in water treatment plants, mining, dams, rice fields, and cranberry bogs, among other places. As the present study is focused on developing an optimal design of radial with the uses of unconventional design sections, thus the two different design of radial gate prepared one with the conventional i section and. Reduction gear mechanisms including chain driven sprockets used to control the speed of the gate and to provide a mechanical advantage to overcome the forces involved in lifting the gate. The basic premise for the new gate design was to split the gate into three. In its simplest form,itconsistsofbeams1alignedtransverseto the flow which are borne in ushaped locators 2. Structural calculations to underwrite the design have been undertaken. The goal of this work is to obtain design equations, for a new design proposal of an interstage sluice gate. The rodney hunt design features bronze to bronze seating surfaces and an adjustable. A sluice gate or a slide gate is a custom manufactured product and its correct selection is dependent on numerous variables. Appendix 1 background information used in design calculations sluice gate design thisdesign is basedona fullyflowingpipe formula,suitable forconcreteor otherpipetypesluices basic data area of system to be served, ha minimum acceptable exchange rateper day average depth of pond system, metres pond base datum point pb, metres tide curve. Department of mechanical engineering sluice gate flowrate objective. These hydro gate fabricated slide gates are made from type 304 or 316 stainless steel. Licensed to youtube by mgm distribution, umg on behalf of empire of song.
Digby, kenneth grubb associates ltd, bournemouth, uk. Design and analysis of lifting mechanism of dam gate opening hoist machine reshma subhash kharche1. Department of dam and water resources, college of electronic engineering, university of mosul, mosul, iraq. The stem rotates and the lifting nut travels up and down the stem, and thus the gate travels up and down. Neglecting bottom friction and atmospheric pressure, decide the velocities 8 5 and 8 6, and the horizontal force required to hold the gate if d 56 m, d 61 m, and l5 m. Much analysis of hydraulics for the purpose of design can be carried out by applying basic theory rather than resorting to numerical or physical modelling techniques. Engineering and design design of hydraulic steel structures etl 11102584 30 june 2014 1. As a result, most users find it very difficult to arrive at the correct configuration technically and economically of the sluice gate slide gate that they require for a particular application. Department of mechanical engineering sluice gate flowrate. Design and analysis of lifting mechanism of dam gate. The objective of this work was to design discharge structure, flood discharge sluice gate and floating debris sluice design for the mekin hydropower project.
Use the bernoulli and continuity equations to determine the theoretical flowrate under the sluice gate. Sluice gate flow metering is often used to measure flow rate in open channels. Discharge structure, flood discharge sluice gate and. Requests for alternates must be supplemented with detailed drawings, specifications, and references. The gates are typically made of wood or metal, and often slide vertically on a frame to open or close, allowing water to flow out of a space or to be contained in it. Design equations for a new set up of sluice gates to. The simplified methodology used in the design of these elements was based on international standards. How to build and operate sluice boxes part iii riffle testing gary weishaupt and chris jacobson. All of this equipment was used in two different locations having very different dispositions and types of gold between march 12th and august 5th of 2009. Cast iron sluice gates provide the rigidity minimum. Stainless steel sluice gates suggested specifications.
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