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Hydraulics | jsWater.in - Part 2

Hydraulics

Pipe Headloss : Hazen-William

Pipe Headloss : Hazen-William Formula The Hazen–Williams Equation is an empirical equation widely used in practice. It is especially applicable for smooth pipes of medium and large diameters and pipes that are not attacked by corrosion . For calculating the velocity of flow in pressurized system, hazen william formula is frequetly used and is as below; For read more

Hazen Williams Equation

Hazen Williams Equation The Hazen–Williams Equation is an empirical equation widely used in practice. It is especially applicable for smooth pipes of medium and large diameters and pipes that are not attacked by corrosion . For calculating the velocity of flow in pressurized system, hazen william formula is frequetly used and is as below; For circular conduits, read more

Darcy Weisbach Equation

Darcy Weisbach Equation The Darcy Weisbach Equation for calculating the pipe losses is as below; In the Darcy–Weisbach Equation, the friction factor f  can be calculated from the equation of Colebrook–White.  where k is the absolute roughness of the pipe wall (mm), D the inner diameter of the pipe (mm) and Re the Reynolds number read more

Tubewell Design

Tubewell Design The tubewell design includes following factors Upper Well Casing The length of the upper casing is controlled by the requirements of the pump. The pump usually needs to remain submerged, with the minimum submergence recommended by the manufacturer. The “operating” water level in the well can be calculated as the distance below ground level read more

Ground Water Hydraulics

Ground Water Hydraulics Pore space can vary tremendously depending on the rock or sediments that make up the subsurface. The size, shape, regularity, and continuity of the pore space will determine how much water can be extracted or stored in the subsurface, how fast water can move through the pore space, and how contaminants are distributed within the subsurface. Porosity The porosity read more