17AU42 Fluid Mechanics syllabus for AU

Properties of fluids:

Introduction, Properties of fluids, viscosity, thermodynamic properties, surface tension, capillarity, vapor pressure and cavitation.

Fluid Statics:

Fluid pressure at a point, Pascal’s law, pressure variation in a static fluid, absolute, gauge, atmospheric and vacuum pressures, simple manometers and differential manometers. Total pressure and center of pressure on submerged plane surfaces; horizontal, vertical and inclined plane surfaces, curved surface submerged in liquid.

Buoyancy:

Buoyancy, center of buoyancy, meta centre and metacentric height, conditions of equilibrium of floating and submerged bodies, determination of Metacentric height experimentally and theoretically.

Fluid Kinematics:

Types of fluid flow, continuity equation in 2D and 3D (Cartesian Co-ordinates only), velocity and acceleration, velocity potential function and stream function.

Fluid dynamics:

Introduction, equation of motion, Euler’s equation of motion, Bernoulli’s equation from first principles and also from Euler’s equation, limitations of Bernoulli’s equation.

Fluid Flow Measurements:

Venturimeter, orifice meter, pitot-tube, vertical orifice, V-Notch and rectangular notches.

Dimensional analysis:

Introduction, derived quantities, dimensions of physical quantities, dimensional homogeneity, Rayleigh’s method, Buckingham π theorem, dimensionless numbers, similitude, types of similtudes.

Flow through pipes:

Minor losses through pipes. Darey’s and Chezy’s equation for loss of head due to friction in pipes. HGL and TEL.

Laminar flow and viscous effects:

Reyonold’s number, critical Reynold’s number, laminar flow through circular pipe-Hagen Poiseille’s equation, laminar flow between parallel and stationary plates.

Flow past immersed bodies :

Drag, Lift, expression for lift and drag, boundary layer concept, displacement, momentum and energy thickness.

Introduction to compressible flow:

Velocity of sound in a fluid, Mach number, Mach cone, propagation of pressure waves in a compressible fluid.

Course outcomes:

After completion of above course, student will be able to:

• Define fluid properties and distinguish between types of fluids.
• Describe Pascal’s law, Hydrostatic law & their application to solve engineering static fluid problems.
• Explain the concepts of Buoyancy and stability of floating objects.
• Explain the types of flows, application of continuity equations.
• Explain the forces acting when fluid is under motion & application of Bernoulli’s equation for solving flow problems.
• Explain the different methods of measurement of flows.
• Use dimensional analysis methods for fluid mechanics problems.
• Estimate the various types of losses in pipes.
• Explain the concepts of laminar flow & viscous flow through the pipe and plates.
• Analyze various forces acting on submerged bodies in engineering flow problems.

Text Books:

1. Fluid Mechanics - Pijush. K. Kundu, Ira M. Cohen, ELSEVIER, 3rd Ed. 2005.

2. Fluid Mechanics - Dr. Bansal, R. K., Lakshmi Publications, 2004.

Reference Books:

1. Fluid Mechanics and hydraulics- Dr. Jagadishlal, Metropolitan Book Co-Ltd., 1997.

2. Fluid Mechanics (SI Units) - Yunus A. Cengel John M.Cimbala, TMH, 2006.

3. Fluid Mechanics and Fluid Power Engineering- Kumar. D. S., Kataria and Sons., 2004.