# GITAM University Fluid Mechanics I Syllabus

UNIT-I:
Introduction and Fluid Properties: Definition of Fluid, Fluid as continuum, Mass density,
specific weight, specific volume, relative density, viscosity – Newton’s Law of viscosity,
Newtonian and Non-Newtonian fluids, Rheological diagram, Kinematic viscosity, surface tension
and capillarity, Bulk Modulus, compressibility, vapour pressure. Fluid Statics: Variation of
pressure in static fluid, Absolute and gauge pressure – pressure measurement. Manometers and
pressure gauges, micromanometers. Static forces and buoyancy: Forces on plane and curved bodies
immersed in static Fluids – Centre of pressure – pressure diagram – Lock gates, Archimedes’
Principle – Buoyancy – Centre of Buoyancy – Metacentric Height.
UNIT-II:
Kinematics and Dynamics of Fluid Motion: Methods of Describing Fluid Motion – Types of
Flow – Steady and un-steady flows, uniform and non-uniform flows-Three, Two and one
dimensional analysis, Laminar and Turbulent motion – Streamlines, Path lines, Streaklines,
acceleration Rotation, Vorticity, Circulation, Stream function, velocity potential, Relation between
them, Laplace equation, Flow net and its applications; Fluid dynamics: Equation of motion for ideal
fluids – Euler’s equations – deduction of Energy equation from Euler’s equation for irrotational
flow – Bernoulli Equation, Energy correction factor. Linear Momentum Equation, Impulse –
Momentum equations, Momentum correction factor-Differences between energy and momentum
principles with respect to practical applications.
UNIT-III:
Introduction to Laminar and Turbulent Flow and Boundary Layers: Introduction to Navier
stokes and Reynolds Equations, Significance of Euler and Reynolds Numbers. Boundary Layer
Theory: Definition, boundary layer growth along a Flat plate with zero pressure gradient – Laminar
& Turbulent Boundary Layers – Displacement, Momentum and Energy thicknesses – Relation
between various thicknesses – Viscous Drag – Laminar sub-layer.
UNIT-IV:
Laminar flow: Laminar Flow through pipes – Hagen – Poiseuille equation for viscous flow – Flow
between parallel plates – couette and poiseuille flows – Stokes law.
UNIT-V:
Analysis of Pipe Flow: Steady flow through pipes – Energy loss – Major & Minor losses Head
Loss due to friction, Darcy – weisbach equation for pipe flow Hydraulic gradient line, Total energy
line – Pipes in series and parallel – Concept of equivalent pipe length – problems in pipe flow –
Syphon – Hydraulic Power Transmission – Water Hammer.
Reference Books:
1. A.K. Jain, Fluid Mechanics, Khanna Publishers, Delhi, eighth edition, 1998.
2. P.N. Modi & S.M Seth, Hydraulics and Fluid Mechanics, Standard Book House, Delhi,
Fifteenth edition, 2005.