ME2204 FLUID MECHANICS AND MACHINERY syllabus

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(Common to Aeronautical, Mechanical, Automobile & Production)

OBJECTIVES

a. The student is introduced to the mechanics of fluids through a thorough

understanding of the properties of the fluids. The dynamics of fluids is introduced

through the control volume approach which gives an integrated under standing of

the transport of mass, momentum and energy.

b. The applications of the conservation laws to flow though pipes and hydraulics

machines are studied

UNIT I INTRODUCTION 12

Units & Dimensions. Properties of fluids – Specific gravity, specific weight, viscosity,

compressibility, vapour pressure and gas laws – capillarity and surface tension. Flow

characteristics: concepts of system and control volume. Application of control volume to

continuity equiation, energy equation, momentum equation and moment of momentum

equation.

UNIT II FLOW THROUG CIRCULAR CONDUITS 12

Laminar flow though circular conduits and circular annuli. Boundary layer concepts.

Boundary layer thickness. Hydraulic and energy gradient. Darcy – Weisbach equaition.

Friction factor and Moody diagram. Commercial pipes. Minor losses. Flow though pipes

in series and in parallel.

UNIT III DIMENSIONAL ANALYSIS 9

Dimension and units: Buckingham’s П theorem. Discussion on dimensionless

parameters. Models and similitude. Applications of dimensionless parameters.

UNIT IV ROTO DYNAMIC MACHINES 16

Homologus units. Specific speed. Elementary cascade theory. Theory of turbo

machines. Euler’s equation. Hydraulic efficiency. Velocity components at the entry and

exit of the rotor. Velocity triangle for single stage radial flow and axial flow machines.

Centrifugal pumps, turbines, performance curves for pumps and turbines.

UNIT V POSITIVE DISPLACEMENT MACHINES 11

Recriprocating pumps, Indicator diagrams, Work saved by air vessels. Rotory pumps.

Classification. Working and performance curves.

TOTAL :60 PERIODS

TEXT BOOKS:

1. Streeter. V. L., and Wylie, E.B., Fluid Mechanics, McGraw Hill, 1983.

2. Rathakrishnan. E, Fluid Mechanics, Prentice Hall of India (II Ed.), 2007.

REFERENCES:

1. Ramamritham. S, Fluid Mechanics, Hydraulics and Fluid Machines, Dhanpat Rai

& Sons, Delhi, 1988.

2. Kumar. K.L., Engineering Fluid Mechanics (VII Ed.) Eurasia Publishing House (P)

Ltd., New Delhi, 1995.

3. Bansal, R.K., Fluid Mechanics and Hydraulics Machines, Laxmi Publications (P)

Ltd., New Delhi.