18AU42 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 meta-centric height, conditions of equilibrium of floating and submerged bodies, determination of Meta-centric 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 similtude.

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:

At the end of the course the student will be able to:

• Define fluid properties; describe Pascal’s law, Hydrostatic law.
• Calculate pressure given point and difference in pressure between sections of pipe, Buoyancy and Stability of floating objects.
• Apply Bernoulli’s principle to solve fluid flow problems.
• Make dimensional analysis of fluid mechanics problems.
• Analyze various forces acting on submerged bodies.

Question paper pattern:

• The question paper will have ten full questions carrying equal marks.
• Each full question will be for 20 marks.
• There will be two full questions (with a maximum of four sub- questions) from each module. Sl. No. Title of the Book Name of the Author/s Name of the Publisher Edition and Year

Textbook/s

1 Fluid Mechanics Pijush. K. Kundu ELSEVIER 3rd Ed. 2005.

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

Reference Books

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

4 Fluid Mechanics (SI Units) Yunus A. Cengel John M.Cimbala TMH 2006.

5 Fluid Mechanics and Fluid Power Engineering Kumar. D. S. Kataria and Sons 2004.