Sluice gates pdf file

In this study, the hydraulic performance of a sluice gate with an upstream. Pdf simplifying formulas that are used for calculations and design are the aim of researchers. When the opening is smaller than the critical depth, the flow. Cast iron slide gates, formerly known as sluice gates, are used to control the flow of fluid through openings under a face or seating head, and openings under a back or unseating head. Hydraulic performance of sluice gate with unloaded. Certified by bureau of indian standards for non rising spindle sluice valves isi marking applications. Pdf the hydraulic characteristics of a side sluice gate were studied experimentally. Sluice valve raw text data extracted from cad file. 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. The final coat or coats shall be applied to the exterior surfaces, excluding machined portions, after assembly and testing. Sluice gates sluice gates can be classified according to. Rodney hunt cast iron sluice gates are known throughout the world for having an extremely long life with very low maintenance, in fact many gates installed over 100 years ago remain in service today. Hydraulic characteristics and discharge control of sluice gates.

Nonlinear solutions of free surface flow under a sluice gate are studied. Pdf freesurface flow under a sluice gate of an inclined wall from. Discharge characteristics of skew sluice gates by prabhata k. The underflow of a sluice gate, when its width is equal to the flume width, presents the following characteristics 2,3,5 1. Open channel gates have no frame member or seal at the top of the slide. Irrigation training and research center itrc california polytechnic state university cal poly.

According to, a sluice valve is a type of gate that is designed to control the flow of a fluid passing through it. The use of existing sluice gates in irrigation hydraulic constructions after their calibration to measure the water flow rate is not a new problem 19. Sluice gates are widely used in rivers, dams, spillways and barrages to control. Sluice gates are commonly used in canals for control and measurement of the flow.

Sluice definition is an artificial passage for water as in a millstream fitted with a valve or gate for stopping or regulating flow. The pressure of the water forces the gate slide against the frame. They are designed for either open channel use or aperture type applications. Rodney hunt cast iron sluice gates are rugged and dependable with a long history of proven performance in demanding flow control applications throughout the world. Prevents the passage of water as long as it does not exceed the height of. These devices are often used in water treatment plants, mining, dams, rice fields, and cranberry bogs, among other places.

Discharge coefficients for sluice gates set in weirs at. Actuators for sluice gates alternatives to commercially available products. Pdf flow characteristics of a sharpcrested side sluice gate. Cast gates are best suited for submerged applications with high head, where there are large amounts of debris, corrosive environments, and for critical plant operations. Technical note flow characteristics of a sharpcrested side sluice gate marzieyh esmailzadeh 1. The discharge under sluice gates can be determined. Upstream, the fluid is assumed to be infinitely deep, and the gate is at an angle to the. Pdf discharge characteristics of skew sluice gates talib.

The research findings span scour downstream from sluice gates, scour in the vicinity of low weirs, together with a particular aspect of scour at bridge foundations. Stainless steel sluice gates suggested specifications. Primarily used at the end of a pipeline or to cover a wall opening, cast iron sluice gates are best suited. With seating or face pressure, fluid exerts a force on the front of the gate. Sluice gate is more descriptive of the product, and this term is used widely in specifications. Sluice valve widely accepted by municipal corporations, irrigation authorities, water supply authorities, national thermal power corporation, nuclear power corporation and industrial users. Sluice gate coutex pdf catalogs technical documentation. Abstract vertical sluice gates are widely used for flow control in irrigation and drainage channels. It was found that the specific energy remains constant. Full text of is single faced sluice gates to mm size. Fabricated slide gates are usually furnished with rubber seals to improve watertightness. A sluice gate is a mechanism used to control water flow. Pdf hydraulic characteristics and discharge of canal sluice gate.