MECHANICAL ENGINEERING 2013-1 4

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD II Year B.Tech. ME-ll Sem L

TIPID 4Jl-4

C

(A4O1121MECHANICS OF FLUIDS AND HYDRAULIC MACHINES UNIT

I

Fluid statics : Dimensions and units: physical properties of fluids_ specific gravity' viscosity, surface tension- vapoui pressure and their influence on

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fluid motion- atmospheric, gauge and vacuum pressures - measurement of pressure- Piezometer, U{ube and differential manometers. UNIT II

Fluid kinematics : Stream rine, path rine and streak rines and stream tube,

classification of flows-steady & unsteady, uniform & non uniform, raminar &

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turbulent, rotationar & irrotationar frows-equation of continuiiy roi one

dimensional flow and three dimensional flows. Fluid dynamics: Surface and body forces -Eurer's and Bernouili,s equations for flow along a stream rine, momentum equation and its apprication on force on pipe bend. UNIT III

Boundary Layer Concepts : Definition, thickne

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thin plate, laminar and turbulent boundary layers laygl.in transition, separation of boundary layer, and lift.

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closed conduit flow: Reynord's experiment- Darcy weisbach equationMinor losses in pipes- prpes in series and pipes in paiarertot"i""Lrgy ii""hydraulic gradient line. Measuremen, of fiow: pitoitube, venturim"tEi, ,no orifice meter, Flow nozzle UNIT IV Basics

of turbo machinery : Hydrodynamic force of jets on stationary and moving flat, inclined, and curv_ed vaneq jet striking centraily and at tip, verocity

diagrams, work done and efficiency, flow over radial vanes.

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Hydraulic Turbines : crassification of turbines, Heads and efficiencies, impulse and reaction turbines, perton wheer, Francis turbine ,.J (rJrr"

turbine-working proportions, work done, efficiencies, hydrauric oesiln

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tube theory- functions and efficiency. Performance of hydrauric turbines : Geometric simirarity, Unit and specific quantities, characteristic curves, governing of turbines, ."r""tion orlip" or turbine, cavitation, surge tank, wjter t ami.,er. UNIT V

centrifugal pumps : classification, working, work done _ barometric

head_

MECHANICAL ENGINEERING 2013-14

characteristic curves' losses and efiiciencies specific speed- performance NPSH. diagrams' Reciprocating pumps : Working, Discharge' slip' indicator

TEXT BOOKS : 1. Hydraulics, fluid mechanics and Hydraulic machinery MODI and SETH. Fluid Mechanics and Hydraulic Machines by Rajput'

REFERENCES

1.

:

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2.

Kumar, Kotaria Fluid Mechanics and Fluid Power Engineering by D.S' & Sons.

2.FluidMechanicsandMachinerybyD.RamaDurgaiah,NewAge lnternational.

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Publishers' Hydraulic Machines by Banga & Sharma' Khanna

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3.

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tube theory- functions and efficiency. Performance of hydrauric turbines : Geometric simirarity, Unit and specific quantities, characteristic curves, governing of turbines, ."r""tion orlip" or turbine, cavitation, surge tank, wjter t ami.,er. UNIT V centrifugal pumps : classification, working, work done _ barometric head_. AjntuWorld.in ...
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