# 2K6ME 305 FLUID MECHANICS

**Module 1(15 hrs)**

Introduction and basic concepts-distinction between fluids and solids – Application areas of fluid mechanics-Classification of fluid flows-system and control volume. Properties of fluids-Continuum-density and specific gravity-vapour pressure and cavitation-viscosity-surface tension and capillary effects -Pressure -Variation of pressure in a stationary fluid- Manometers. Fluid static-hydrostatic forces on submerged plane and curved surfaces-Buoyancy and stability. Fluid kinematics-Lagrangian and Eulerian descriptions-Fundamentals of flow visualization-stream lines, stream tubes, path tubes, streak lines. Types of motion -deformation of fluid elements-vorticity and rotationality-Reynolds transport theorem.**Module 2 (14 hrs)**

Mass, Bernoullis and Energy equations-Static, Dynamic and Stagnation Pressures-limitation on the use of Bernoulli equation-Hydraulic grade line and Energy grade line-Applications of Bernoulliequation-Flow rate and velocity measurements-Pitot tube and Pitot static probes- Obstruction flow metersOrifice, Venturi and Nozzle meters-Flow in Pipes- Laminar and turbulent flows- Hagen-Poiseuille equation-Darcy-Weisbach equation-Minor losses-Moody’s Chart**Module 3 (12 hrs)**

Differential analysis of fluid flow-Conservation of Mass-Derivation of continuity equation- stream function-irrotationality-velocity potential- relationship between stream function and velocity potential in irrotational flows- Conservation of linear momentum- Navier-Stokes equation-Newtonian versus non Newtonian fluids- exact solution of continuity and Navier-Stokes equation. Introduction to Computational Fluid Dynamics.**Module 4 (11 hrs)**

Introduction to boundary layer-The boundary layer approximation-boundary layer equations- displacement thickness- momentum thickness-Blasius solution for flow over a flat plate-Momentum integral equationFlow over bodies- Drag and Lift- Drag and lift coefficients- Friction and pressure drag-Flow separation.

**Text book**

1. Fluid Mechanics- Yunus A Cengel and John M Cimbala, McGraw Hill**Reference books**

1. Fluid Mechanics- White F.M, McGraw Hill

2. Fluid Mechanics- Shames I.H, McGraw Hill

3. Fluid Mechanics and its applications- Gupta V. and Gupta S., Wiley Eastern

4. Introduction to Fluid Mechanics- Fox and Mc Donald- John Wiley and Sons