Fluid Mechanics syllabus

Properties of Fluid: Definition of fluid, concept of continuum, density, specific weight, specific gravity, viscosity, viscosity laws, types of fluid and rheology, vapor pressure surface tension, capillarity, compressibility. Laws of fluid statics: forces acting on fluid element, Pascal’s law, hydrostatics law. Pressure measurement: pressure scale, piezometer, barometer, manometer - simple, inclined, differential, micro manometer, inverted.(Field Assignment) Forces acting on surfaces immersed in fluid: total pressure and center of pressure on submerged plane surfaces, curved surface submerged in liquid. Buoyancy: flotation, stability of bodies.(Field Assignment)

Flow description methods, types of flows, velocity and acceleration fields, continuity equation in 1D & 3D flow, flow visualization (path line, stream line and streak line), stream tube, stream function and velocity potential function, flow net Various forces acting on fluid elements, Euler’s equation of motion along streamline, Bernoulli’s theorem and modified Bernoulli’s theorem, stagnation pressure, HGL, TEL (Field Assignment) Flow measurement: venturimeter, orifice meter, pitot tubes, Introduction to orifices, notches & weirs. ( Field Assignment)

Laminar flow: Entrance region theory, velocity and shear Stress distribution for laminar flow through pipe, fixed parallel plates( Field Assignment) and Couette flow( Field Assignment), velocity profile of turbulent flow. Losses - major & minor losses (without expressions), hydro dynamically smooth and rough boundaries, Moody’s chart, compounding of pipes & equivalent pipe, siphons, transmission of power. ( Field Assignment)

Boundary layer formation over a flat plate, boundary layer thickness, displacement thickness, momentum thickness and energy thickness, boundary layer separation and methods to control separation, drag and lift concepts, types of drag, drag & lift coefficient, aerofoil, bluff body, streamline body

Dimensional Analysis: Introduction, system of dimensions, Dimensional homogeneity, Buckingham-Pi Theorem, repeating variables, dimensionless numbers and their physical significance Similitude & Model Testing: Model & prototype, similarity, scaling parameters, model laws, objectives, importance and application of model studies.