ME 219 : Fluid Mechanics
Course Code ME 219
Course Name Fluid Mechanics
Offered to UG
Pre-requisites NIL
Lecture 3
Tutorial 1
Practical 0
Credit 8
Reference Texts / References: 1. RW Fox, PJ Pritchard, AT McDonald, Introduction to fluid mechanics, John Wiley & Sons.
2. YA Cengel, JM Cimbala, Fluid mechanics, McGraw Hill Publishers.
3. FM White, Fluid mechanics, McGraw Hill Publishers.
4. SK Som, G Biswas, S Chakraborty, Introduction to fluid mechanics and fluid
machines, McGraw Hill publishers.
Description Introductory concepts: Definition of fluid, Newton’s law of viscosity, continuum hypothesis, properties of fluids, non-Newtonian fluids (4 lectures) Fluid statics: Pascals law, hydrostatic pressure distribution, manometer, hydrostatic force on a submerged plane & curved surfaces, buoyancy, stability of submerged & floating bodies (4 lectures) Kinematics: Lagrangian& Eulerian description, steady and uniform flows, acceleration, streamline, pathline and streakline, motion and deformation of a fluid particle, vorticity (3 lectures) Governing equations in integral form: Reynolds transport theorem, conservation of mass, momentum and energy, Bernouli’s theorem (6 lectures) Governing equations in differential form: derivation of continuity equation and its alternative form, stream function, conservation of momentum (Cauchy equation), constitutive law for Newtonian fluids, Navier-Stokes equations, exact solutions to specific problems (4 lectures) Dimensional analysis: principle of dimensional homogeneity, Buckingham Pi theorem, method of repeating variables, non-dimensional numbers, physical similarity, incomplete similarity (4 lectures) Flow through pipes: laminar & turbulent flows, Reynolds dye experiment, entrance & fully developed region, Hagen-Poiseuille flow, transition, Darcy friction factor, Moody diagram, Colebrook and Harrland approximations, minor losses, flow measurement techniques (5 lectures) Boundary layers: D’Alemberts paradox, idea of boundary layer, BL thickness, BL equations, Blasius solution, momentum integral technique, flow separation, lift & drag acting on immersed solid bodies (6 lectures)