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Fluid mechanics and hydraulics guides for civil engineers covering open channel flow, pipe flow, pump design, flood analysis using HEC-RAS, and irrigation engineering. Resources for students and professionals.
Solved numericalThe weight of a gas is given as 17.658 N/m³ at 30°C and at an absolute pressure of 29.43 N/cm². Determine the…Water Resources · 2 min read
Solved numericalThe velocity profile of a viscous fluid over a plate is parabolic with its vertex 20 cm from the plate, where…Water Resources · 3 min read
Solved numericalThe velocity distribution over a plate is given by y =2/3y-y2 , in which u is the velocity in m/s at a distanc…Water Resources · 3 min read
Solved numericalAn oil of viscosity 5 poise is used for lubrication between a shaft and sleeve. The diameter of the shaft is 0…Water Resources · 3 min read
Solved numericalIf the velocity distribution of a fluid over a plate is given by u = (3/4) y-y2, where u is the velocity in me…Water Resources · 3 min read
Solved numericalDetermine the viscosity of a liquid having a kinematic viscosity of 6 stokes and a specific gravity of 2.0.Water Resources · 2 min read
Solved numericalDetermine the specific gravity of a fluid having a dynamic viscosity of 0.07 poise and a kinematic viscosity o…Water Resources · 2 min read
Solved numericalFind the kinematic viscosity of an oil having a density of 980 kg/m³ when at a certain point in the oil, the s…Water Resources · 2 min read
Solved numericalIn a stream of glycerine in motion, at a certain point the velocity gradient is 0.25 metre per sec per metre.…Water Resources · 2 min read
Solved numericalAn oil film of thickness 1.5 mm is used for lubrication between a square plate of size 0.9 m × 0.9 m and an in…Water Resources · 3 min read
Solved numericalTwo plates are placed at a distance of 0.15 mm apart. The lower plate is fixed while the upper plate having su…Water Resources · 3 min read
Solved numericalDetermine the intensity of shear of an oil having viscosity = 1.2 poise and is used for lubrication in the cle…Water Resources · 3 min read
Solved numericalA plate 0.025 mm distant from a fixed plate, moves at 50 cm/s and requires a force of 1.471 N/m² to maintain t…Water Resources · 2 min read
Solved numericalThe velocity distribution for flow over a flat plate is given by u = 3/2 y – y^(3/2) , where u is the po…Water Resources · 2 min read
Solved numericalOne litre of crude oil weighs 9.6 N. Calculate its specific weight, density, and specific gravity.Water Resources · 2 min read
Solved numericalFind the minimum size of a glass tube that can be used to measure a water level if the capillary rise in the t…Water Resources · 2 min read
Solved numericalAn oil of viscosity 5 poise is used for lubrication between a shaft and sleeve. The diameter of the shaft is 0…Water Resources · 3 min read
Solved numericalThe capillary rise in a glass tube is not to exceed 0.2 mm of water. Determine its minimum size (diameter), gi…Water Resources · 2 min read