ME2204 FLUID MECHANICS AND MACHINERY Lecture notes for MECH - Third (3rd) semester by R.Anirudhan

ME2204 FLUID MECHANICS AND MACHINERY Lecture notes for MECH - Third (3rd) semester


ME2204 Lecture Notes 

Syllabus :

UNIT I INTRODUCTION
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
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 
Dimension and units: Buckingham’s П theorem. Discussion on dimensionless
parameters. Models and similitude. Applications of dimensionless parameters.

UNIT IV ROTO DYNAMIC MACHINES
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
Recriprocating pumps, Indicator diagrams, Work saved by air vessels. Rotory pumps.
Classification. Working and performance curves.


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