CE261

Fluid Mechanics

Course ID
CE261
Department
Civil Engineering
Level
Undergraduate
Instructor
Semester
4th Semester
Credit
3.0 + 1.0

After completion of this course each student would be able to:

  • Basic understanding of fluid (liquid) properties, their measuring units and types of flow.
  • Analysis of fluid immersed or floating body’s bouncy, static pressure, kinematics and dynamic behavior of fluids. Effects of pipe roughness on fluid flow.
  • Perform practical ability to demonstrate fluid pressure in pipes, flow measurement equipment’s and fluid machines (Pumps/Turbines/compressor), their application in daily life/field.

The Fluid Mechanics is a compulsory course and has been offered by the Department of Civil Engineering. 

Course Learning Outcomes

CLO

Description

Taxonomy Level

Linking to PLOs

1

Basic understanding of fluid (liquid) properties, their measuring units and types of flow.

C1

1

2

Analysis of fluid immersed or floating body’s bouncy, static pressure, kinematics and dynamic behavior of fluids. Effects of pipe roughness on fluid flow.

C2

2

3

Perform practical ability to demonstrate fluid pressure in pipes, flow measurement equipment’s and fluid machines (Pumps/Turbines/compressor), their application in daily life/field.

P3

3

Course structure and modules

Course Contents:

  • Units and Dimensions

Introduction to Fluid Mechanics and Hydraulics, statics, Kinematics, Dynamics, Distinction between a solid and a fluid, a gas and liquid, Dimensions and systems of units.

  • Properties of Fluids

Density, Specific weight, Specific volume, Specific gravity, Viscosity and newton’s law of viscosity, Bulk modulus of elasticity, Surface tension and Capillarity.

  • Fluid Statics

Pressure; Pressure head, Pressure-head relationship, Atmospheric pressure, Absolute pressure, Gauge pressure and Pascal’s law. Measurement of pressure; Piezometer, Manometers, Bourdon gauge and Pressure transducers. Hydrostatic pressure; Pressure on plane surfaces, Center of pressure, and Force/pressure on curved surfaces. Buoyancy and floatation: Archimedes’ principle and Stability of floating bodies.

  • Fluid Kinematics:

Basic concepts of uniform and non-uniform flow, steady and unsteady flow, Laminar and turbulent flow, Rotational and irrotational flow: One, two and three ­dimensional flow, flow rate and mean velocity, Acceleration in fluid flow. Path lines, Stream lines and Streak lines. Flow net, its use and limitations.

  • Fluid Dynamics:

Continuity equation in differential form for steady, unsteady, compressible and incompressible flow, Continuity equation’s integral form, Energy (Bernoulli’s) equation and its applications, Momentum (Euler’s) equation, Application of Energy and continuity equation to incompressible fluid flow, Stream Function, Basic flow fields, Velocity potential, Stream lines and equipotential lines.

  • Flow Measurement:

Pitot tube, Venturi meter, Orifice meter, Mouthpieces, Orifices, Notches, Weirs and Nozzles.

  • Steady Incompressible Flow in Pressure Conduits:

Skin friction, Pressure drop, Major and Minor losses, Simple pipe flow problems, Reynold’s number and its significance, Instability of various Flow, Viscous flow through circular pipes, Turbulent flow through pipes, Semi- empirical Theories of Turbulence, Velocity profile in turbulent Flow, Pipe Roughness.

  • Introduction to the subject relevant software:

 

Practical: Practical work will be based on the contents of the course.

Recommended Books

  • Fluid Mechanics with Engineering Applications: Daugherty, Franzini and Finnemore, McGraw Hill Book Company, Latest edition.
  • 2500 Solved Problems in Fluid Mechanics, Jack B. Evett, Chemg Liu, Tata McGraw Hill Publishing Company Ltd, Latest edition.
  • Applied Fluid Mechanics, Robert L. Mott and Jaseph A. Untener, Pearson Education Inc, 7th Edition or Latest.
  • A Text Book of Fluid Mechanics and Hydraulics Machinenes, Er. R.K. Rajput. Latest Edition.
  • A Text Book of Hydraulics, Fluid Mechanics and Hydraulic Machines,R.S. Khurmi. Chand & Company Ltd. Latest Edition.