AI3303 Fluid Mechanics and Pumps Syllabus:

AI3303 Fluid Mechanics and Pumps Syllabus – Anna University Regulation 2021

COURSE OBJECTIVES:

 To introduce the students about the properties of the fluids, behaviour of fluids under static, kinematic and dynamic conditions through the control volume approach and expose them to the applications of the conservation laws and to impart basic knowledge of the dimensional analysis and model studies along with flow through pipes.
 The students will be exposed to the basic concepts of open channel flows with significance to steady uniform flows along with flow measurements in open channels.
 To expose the students to the classification of pumps the basic principles of working and to design centrifugal pump.

UNIT I FLUID PROPERTIES AND FLUID STATICS

Definition and properties of fluid – Mass density – Specific weight – Specific volume – Specific gravity – Equation of state – Perfect gas – Viscosity – Vapour pressure – Compressibility and elasticity – Surface tension – Capillarity- Fluid statics – Fluid pressure and measurement – simple, differential and micro manometers – Mechanical gauges – Forces on plane and curved surfaces – Buoyancy and floatation – Stability of floating bodies.

UNIT II FLUID KINEMATICS AND FLUID DYNAMICS

Classification of flows – Methods of analysis- Continuum hypothesis – System and Control volume approach – Streamline, streak-line and path-lines – Stream function – Velocity potentials – Flow nets – Application of control volume to continuity, energy and momentum – Euler’s equation of motion along a stream line – Bernoulli’s equation – Linear momentum equation – Applications.

UNIT III FLOW THROUGH PIPES AND MODEL STUDIES

Reynolds experiment – Laminar flow through circular pipe – Darcy-Weisbach equation – Moody diagram – Major and minor losses in pipe flow – Total energy line – Hydraulic grade line – Siphon – Pipes in series and parallel- Equivalent pipes- Fundamental dimensions – Dimensional homogeneity – Buckingham Pi theorem – Dimensionless parameters – Similitude and model studies – Distorted and undistorted models.

UNIT IV OPEN CHANNEL FLOWS

Types of flow – Characteristics of open channel – Chezy’s equation – Manning equation – Hydraulically efficient channel sections – Critical depth – Specific energy application to channel transitions – Flow measurement in channels – Notches – Weirs – Parshall flume – Flow measurement in natural streams – float method – current meter.

UNIT V PUMPS

Types of pumps – Head of pump – Losses and efficiencies -Selection of pump capacity – Centrifugal pump – Components – Working principle – Types of impellers – Priming – NPSH – Cavitation – Minimum speed to start the pump – Specific speed – Characteristics curves – Turbine pump – Submersible pump – Jet pump – Air lift pump – Reciprocating pump – Sludge pump.

TOTAL: 45 PERIODS
TEXT BOOKS:

1. Streeter, V.L. Wylie, E. B. and Bedford K.W, Fluid Mechanics, McGraw Hill Education (India) Pvt. Ltd., New Delhi, 2017.
2. Modi P.N and Seth Hydraulics and Fluid Mechanics including Hydraulic Machines, Standard Book House, New Delhi, 2019.
3. Subramanya K., Flow in Open Channels, McGraw Hill Education (India) Pvt. Ltd., New Delhi, 2019.

REFERENCES:

1. Jain A. K. Fluid Mechanics including Hydraulic Machines, Khanna Publishers, New Delhi, 2014.
2. S K Som; Gautam Biswas and S Chakraborty, Introduction to Fluid Mechanics and Fluid Machines, McGraw Hill Education (India) Pvt. Ltd., 2017.
3. Chandramouli P N, Applied Hydraulic Engineering, Yes Dee Publisher, 2017
4. Ven Te Chow, Open Channel Hydraulics, McGraw Hill, New York, 2009.
5. Subramanya K, Fluid Mechanics and Hydraulic Machines: Problems and Solutions, McGraw Hill Education (India) Pvt. Ltd., New Delhi, 2018.

COURSE OUTCOMES:

On completion of the course, the student is expected to
CO1 Demonstrate the properties of fluid and its behaviour in static conditions along with pressure measurements.
CO2 Apply the conservation laws applicable to fluid flows and its application through fluid kinematics and dynamics.
CO3 Estimate losses in pipelines for both laminar and turbulent conditions and analysis of pipes connected in series and parallel and to understand the concept of application of dimensional analysis in model studies.
CO4 Describe the basics characteristics of open channel flows and analysis of steady uniform flow with hydraulically efficient channel sections and to measure the flows in artificial/natural channels.
CO5 Explain the classification, design and working principles of various pumps.