Fluid Mechanics-I (FM)
CE-501-
Unit 1Review of Fluid Properties
Engineering units of measurement · mass · density · specific weight · specific volume · specific gravity · surface tension · capillarity · viscosity · bulk modulus of elasticity · pressure and vapor pressure · Fluid Statics: Pressure at a point · pressure variation in static fluid · Absolute and gauge pressure · manometers · Forces on plane and curved surfaces (Problems on gravity dams and Tainter gates) · buoyant force · Stability of floating and submerged bodies · Relative equilibrium
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Unit 2Kinematics of Flow
Types of flow - ideal & real, steady & unsteady, uniform & non uniform, one, two and three dimensional flow · path lines, streamlines, stream tubes · continuity equation for one and three dimensional flow · rotational & irrotational flow · circulation · stagnation point · separation of flow · sources & sinks · velocity potential · stream function · flow nets – their utility & method of drawing flow nets
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Unit 3Dynamics of Flow
Euler’s equation of motion along a streamline and derivation of Bernoulli’s equation · application of Bernoulli’s equation · energy correction factor · linear momentum equation for steady flow · momentum correction factor · moment of momentum equation · forces on fixed and moving vanes and other applications · Fluid Measurements: Velocity measurement (Pitot tube, Prandtl tube, current meters etc.) · flow measurement (orifices, nozzles, mouth pieces, orifice meter, nozzle meter, venturimeter, weirs and notches)
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Unit 4Laminar Flow
Introduction to laminar flow · Reynolds experiment & Reynolds number · relation between shear & pressure gradient · laminar flow through circular pipes · laminar flow between parallel plates · laminar flow through porous media · Stokes law
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Unit 5Dimensional Analysis and Turbulent Flow
Dimensional Analysis and use of Buckingham‑π theorem · Introduction to Turbulent flow – Prandtl mixing length hypothesis · Flow over smooth & rough surface · Darcy–Weisbach resistance equation · variation of friction factor & Moody’s diagram · pipe flow problem