## Course Detail

 Course Name Fluid Mechanics and Machinery Course Code 15MEC211 Program B. Tech. in Mechanical Engineering Semester Four Year Taught 2019

### Syllabus

##### Unit 1

Introduction and Basic concepts of Fluid Mechanics. Continuum assumption. Fluid properties such as density, specific volume, specific weight, specific gravity. Pressure, vapor pressure, cavitation, viscosity, Newton’s law of viscosity. Models for non-Newtonian fluids. Surface Tension and capillarity. Coefficient of compressibility. Machnumber. Hydrostatics. Pressure distribution in a static fluid – Pascal’s law and hydrostatic law. Absolute, gauge and vacuum pressures. Static pressure measurement. Manometry.

Hydrostatic Force on plane surfaces and curved surface.

Buoyancy. Archimedes principle. Stability of floating bodies, Meta centric height.

Eulerian and Lagrangian description of fluids, local and convective acceleration. Flow visualization – streamlines, streak lines, pathlines, time lines, contour and vector plots.

Flow kinematics – vorticity and rotationality.

##### Unit 2

Reynold’s Transport Theorem. Governing equations for mass, linear and angular momentum and energy in the integral form. Applications of these equations. Laminar and turbulent flow regimes.

Bernoulli’s equation. Limitations. Applications of Bernoulli’s equation. Hydraulic and energy grade lines.

Major energy losses in pipes. Darcy Weisbach equation. Introduction to Moody’s chart. Minor energy losses in pipes. Series and parallel pipe connections. Equivalent pipe.

Laminar flow in circular pipes – average and maximum velocities, shear stress distribution, Pressure drop computation – Hagen Poiseuille Law.

Flow rate measurement for closed conduits – Venturimeter, Orificemeter, Pitot tube, rotameter, other electrical and mechanical flow measuring systems.

##### Unit 3

Dimensional Analysis and modelling. Significance. Buckingham’s Pi Theorem. Similitude, types of similitude. Model testing.

Classification of pumps. Positive displacement pumps. Reciprocating pumps. Centrifugal Pump: working principle. Characteristic curves. Pump selection. Velocity triangles. Pump performance parameters, performance curves. Cavitation, NPSH and specific speed.

Hydraulic turbines. Classification. Impulse and reaction machines – Pelton, Francis and Kaplan Turbines. Velocity Triangles. Performance characteristics.

### Text Books

• Cengel Y. A. and Cimbala J. M. – ‘Fluid Mechanics (Fundamentals and Applications)’ – McGraw Hill, India – 2014 – 3rd Edition

### Resources

• White F. M. – ‘Fluid Mechanics’ – McGraw Hill India Pvt. Ltd – 2011 – 7th Edition
• Fox and McDonald – ‘Fluid Mechanics’ – John Wiley – 2013 – 8th Edition
• Panton R. L. – ‘Incompressible Flow’ – Wiley India, 2013 – 4th Edition

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