FLUID MECHANICS AND MACHINERY

390 273

First Edition :July 2018

Second Edition : June 2023

ISBN :978-93-80659-32-9

UNIT I : FLUID PROPERTIES AND FLOW CHARACTERISTICS
Properties of fluids – Fluid statics – Pressure Measurements – Buoyancy and floatation – Flow characteristics – Eulerian and Lagrangian approach – Concept of control volume and system – Reynold’s transportation theorem – Continuity equation, energy equation and momentum equation – Applications.

UNIT II : FLOW THROUGH PIPES AND BOUNDARY LAYER
Reynold’s Experiment – Laminar flow through circular conduits – Darcy Weisbach equation – friction factor – Moody diagram – Major and minor losses – Hydraulic and energy gradient lines – Pipes in series and parallel – Boundary layer concepts – Types of boundary layer thickness.

UNIT III : DIMENSIONAL ANALYSIS AND MODEL STUDIES
Fundamental dimensions – Dimensional homogeneity – Rayleigh’s method and Buckingham Pi theorem – Dimensionless parameters – Similitude and model studies – Distorted and undistorted models.

UNIT IV : TURBINES
Impact of jets – Velocity triangles – Theory of rotodynamic machines – Classification of turbines – Working principles – Pelton wheel – Modern Francis turbine – Kaplan turbine – Work done – Efficiencies – Draft tube – Specific speed – Performance curves for turbines – Governing of turbines.

UNIT V : PUMPS
Classification of pumps – Centrifugal pumps – Working principle – Heads and efficiencies– Velocity triangles – Work done by the impeller – Performance curves – Reciprocating pump working principle – Indicator diagram and it’s variations – Work saved by fitting air vessels – Rotary pumps.

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