"Fluid Mechanics Handwritten Notes PDF" provides concise summaries of key concepts in fluid mechanics, such as Bernoulli's principle, Reynolds number, and Euler's equation. These notes offer practical insights into fluid behavior, including vi

LECTURE NOTES

ON


FLUID MECHANICS




4TH SEMESTER,
DEPT OF MECHANICAL ENGG.,
GOVERNMENT POLYTECHNIC
NAYAGARH



PREPARED BY:
Mrs. SUSHREE SASMITA SAHOO, LECTURER

, TH-3 FLUID MECHANICS

Name of the Course: Diploma in Mech & Other Mechanical Allied Branches
Course code: Semester 4
th


Total Period: 60 Examination 3 hrs
Theory periods: 4 P/W Class Test: 20
Maximum marks: 100 End Semester Examination: 80


A. RATIONAL:
Use of fluid in engineering field is of great importance. It is therefore necessary to study the
physical properties and characteristics of fluids which have very important application in
mechanical and automobile engineering.
B. COURSE OBJECTIVES:
Students will develop an ability towards
 Comprehending fluid properties and their measurements
 Realizing conditions for floatation
 Applying Bernoulli’s theorem

C. TOPIC WISE DISTRIBUTION OF PERIODS

Sl. No. Topic Periods
01 Properties of Fluid 08
02 Fluid Pressure and its measurements 08
03 Hydrostatics 08
04 Kinematics of Flow 08
05 orifices, notches & weirs 08
06 Flow through pipe 10
07 Impact of jets 10
Total Period: 60

D.CONTENT

1.0 Properties of Fluid
1.1 Define fluid
1.2 Description of fluid properties like Density, Specific weight, specific gravity, specific
volume and solve simple problems.
1.3 Definitions and Units of Dynamic viscosity, kinematic viscosity,
surface tension Capillary phenomenon

2.0 Fluid Pressure and its measurements
2.1 Definitions and units of fluid pressure, pressure intensity and pressure head.
2.2 Statement of Pascal’s Law.
2.3 Concept of atmospheric pressure, gauge pressure, vacuum pressure and absolute
pressure
2.4 Pressure measuring instruments
Manometers (Simple and Differential)
2.4.1 Bourdon tube pressure gauge(Simple Numerical)
2.5 Solve simple problems on Manometer.

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,3.0 Hydrostatics
3.1 Definition of hydrostatic pressure
3.2 Total pressure and centre of pressure on
immersed bodies(Horizontal and Vertical Bodies)
3.3 Solve Simple problems.
3.4 Archimedes ‘principle, concept of buoyancy, meta center and meta centric height
(Definition only)
3.5 Concept of floatation



4.0 Kinematics of Flow
4.1 Types of fluid flow
4.2 Continuity equation(Statement and proof for one dimensional flow)
4.3 Bernoulli’s theorem(Statement and proof)
Applications and limitations of Bernoulli’s theorem (Venturimeter, pitot tube)
4.4 Solve simple problems
5.0 Orifices, notches & weirs
5.1 Define orifice
5.2 Flow through orifice
5.3Orifices coefficient & the relation between the orifice coefficients
5.4 Classifications of notches & weirs
5.5 Discharge over a rectangular notch or weir
5.6 Discharge over a triangular notch or weir
5.7 Simple problems on above

6.0 Flow through pipe
6.1 Definition of pipe.
6.2 Loss of energy in pipes.
6.3 Head loss due to friction: Darcy’s and Chezy’s formula (Expression only)
6.4 Solve Problems using Darcy’s and Chezy’s formula.
6.5 Hydraulic gradient and total gradient line

7.0 Impact of jets
7.1 Impact of jet on fixed and moving vertical flat plates
7.2 Derivation of work done on series of vanes and condition for maximum
efficiency.
7.3 Impact of jet on moving curved vanes, illustration using velocity triangles,
derivation of work done, efficiency.
CHAPTERS COVERED UP TO IA- 1, 2,3,4

Learning Resources:

Sl No. Name of the Book Author Name Publisher
1. Text Book of Fluid Mechanics R.K.Bansal Laxmi
2. Text Book of Fluid Mechanics R.S khurmi S.Chand
3. Text Book of Fluid Mechanics R.K.Rajput S.Chand
4. Text Book of Fluid Mechanics Modi & Seth Rajson’s pub. Pvt. lt


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