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Lecture

Hydropower Infrastructure: Water Intakes and Hydraulic Construction

In course

CIVIL-412: Hydraulic and hydroelectric structures and schemes

La conception générale et l'agencement des différentes infrastructures et batteries hydroélectriques, avec le dimensionnement de leurs ouvrages hydrauliques principaux. ...

Description

This lecture covers the design and particularities of water intakes for hydropower plants, focusing on reservoir or lake intakes and pumped storage water intakes. It discusses the flow velocity, head loss coefficients, and typical deposition forms in front of power inlets. The lecture also explores the components and equipment, hydraulic sizing, ventilation, drainage works, and the design of bottom drains. It delves into the objectives of bottom drains, the elements involved, and the types of bottom valves used in dams. Additionally, it presents examples of high-pressure gates used in dam constructions, such as slide gates, fixed wheel gates, caterpillar gates, and radial gates.

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Instructors (2)

Pedro Filipe De Almeida Manso

Giovanni De Cesare

Official source

Related concepts (29)

Hydraulic machinery

Hydraulic machines use liquid fluid power to perform work. Heavy construction vehicles are a common example. In this type of machine, hydraulic fluid is pumped to various hydraulic motors and hydraulic cylinders throughout the machine and becomes pressurized according to the resistance present. The fluid is controlled directly or automatically by control valves and distributed through hoses, tubes, or pipes.

Dam

A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aquaculture, and navigability. Hydropower is often used in conjunction with dams to generate electricity. A dam can also be used to collect or store water which can be evenly distributed between locations.

Hydraulic cylinder

A hydraulic cylinder (also called a linear hydraulic motor) is a mechanical actuator that is used to give a unidirectional force through a unidirectional stroke. It has many applications, notably in construction equipment (engineering vehicles), manufacturing machinery, elevators, and civil engineering. A hydraulic cylinder is a hydraulic actuator that provides linear motion when hydraulic energy is converted into mechanical movement. It can be likened to a muscle in that, when the hydraulic system of a machine is activated, the cylinder is responsible for providing the motion.

Hydraulics

Hydraulics () is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids. At a very basic level, hydraulics is the liquid counterpart of pneumatics, which concerns gases. Fluid mechanics provides the theoretical foundation for hydraulics, which focuses on applied engineering using the properties of fluids. In its fluid power applications, hydraulics is used for the generation, control, and transmission of power by the use of pressurized liquids.

Reservoir

A reservoir (ˈrɛzərvwɑːr; from French réservoir ʁezɛʁvwaʁ) is an enlarged lake behind a dam. Such a dam may be either artificial, usually built to store fresh water, or it may be a natural formation. Reservoirs can be created in a number of ways, including controlling a watercourse that drains an existing body of water, interrupting a watercourse to form an embayment within it, excavating, or building any number of retaining walls or levees.

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