# JNTUK R19 2-1 Fluid Mechanics Material PDF Download

1

JNTUK R19 2-1 Fluid Mechanics Material PDF Download

Students those who are studying JNTUK R19 Civil Branch, Can Download Unit wise R19 2-1 Fluid Mechanics Material/Notes PDFs below.

### JNTUK R19 2-1 Fluid Mechanics Material PDF Download

OBJECTIVES:

• To understand the properties of fluids and fluid statics
• To derive the equation of conservation of mass and its application
• To solve kinematic problems such as finding particle paths and streamlines
• To use important concepts of continuity equation, Bernoulli’s equation and turbulence, and apply the same to problems
• To analyze laminar and turbulent flows
• To understand the various flow measuring devices  To study in detail about boundary layers theory

UNIT-1

Introduction: Dimensions and units – Physical properties of fluids – specific gravity, viscosity, surface tension, vapour pressure and their influences on fluid motion, pressure at a point, Pascal’s law, Hydrostatic law -atmospheric, gauge and vacuum pressures- measurement of pressure. Pressure gauges, Manometers: Differential and Micro Manometers.

Hydrostatics: Hydrostatic forces on submerged plane, Horizontal, Vertical, inclined and curved surfaces – Center of pressure.

UNIT-2

Fluid Kinematics: Description of fluid flow, Stream line, path line and streak line and stream tube. Classification of flows: Steady, unsteady, uniform, non-uniform, laminar, turbulent, rotational and irrotational flows – Equation of continuity for one, two , three dimensional flows – stream and velocity potential functions, flow net analysis.

Fluid Dynamics: Surface and body forces – Euler’s and Bernoulli’s equations for flow along a stream line – Momentum equation and its application – forces on pipe bend.

UNIT-3

Laminar Flow and Turbulent Flows: Reynold’s experiment – Characteristics of Laminar & Turbulent flows, Shear and velocity distributions, Laws of Fluid friction, Hagen-Poiseulle Formula, Flow between parallel plates, Flow through long tubes, hydrodynamically smooth and rough flows.

Closed Conduit Flow: Darcy-Weisbach equation, Minor losses – pipes in series – pipes in parallel – Total energy line and hydraulic gradient line, variation of friction factor with Reynold’s number – Moody’s Chart, Pipe network problems, Hazen-Williams formula, Hard-Cross Method

UNIT-4

Measurement of Flow: Pitot tube, Venturi meter and Orifice meter – classification of orifices, small orifice and large orifice, flow over rectangular, triangular, trapezoidal and Stepped notches, Broad crested weirs and Ogee weirs.

UNIT-5

Boundary Layer Theory: Boundary layer (BL) – concepts, Prandtl contribution, Characteristics of boundary layer along a thin flat plate, Vonkarman momentum integral equation, laminar and turbulent Boundary layers (no deviations)- BL in transition, separation of BL, Control of BL, flow around submerged objects-Drag and Lift- Magnus effect.

Text Books:

1. Modi P.N and Seth S.M.(2018), “Fluid mechanics”, Standard book house, New Delhi

2. A text of Fluid mechanics and hydraulic machines, R.K.Bansal- Laxmi Publications (P) ltd., New Delhi

References:

1. K.Subramanyam, Fluid mechanics and hydraulic machines Mc graw hill education, IInd edition

2. Fluid Mechanics and Machinery, C.S.P. Ojha, R. Berndtsson and P.N. Chandramouli, Oxford Higher Education.

3. Principle of fluid mechanics and fluid machines III edition, university press

OUTCOMES:

• Understand the various properties of fluids and their influence on fluid motion and analyse a variety of problems in fluid statics and dynamics.
• Calculate the forces that act on submerged planes and curves.
• Ability to analyse various types of fluid flows.
• Apply the integral forms of the three fundamental laws of fluid mechanics to turbulent and laminar flow through pipes and ducts in order to predict relevant pressures, velocities and forces.
• Able Measure the quantities of fluid flowing in pipes, tanks and channels.

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