Fluid Mechanics - Mechanical | EveryEng

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Fluid Mechanics - Mechanical

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2482 min

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English

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Team EveryEngMechanical Engineering

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Why enroll

To improve your grades in the NPTEL Fluid Mechanics course, focus on mastering the fundamental concepts of fluid properties, statics, and dynamics. Practice solving numerical problems and case studies, and review video lectures, notes, and assignments regularly. Develop problem-solving skills using mathematical and computational tools, such as Bernoulli's equation and fluid flow simulations. Pay attention to key concepts like boundary layers, turbulence, and drag, and apply them to real-world engineering scenarios. Participate in discussion forums, clarify doubts with instructors or peers, and attempt previous year's assignments and exams to assess your knowledge. By staying consistent and persistent, you'll see improvement in your understanding and grades in the NPTEL Fluid Mechanics course.

Your instructor

Team EveryEng

Engineer

Mechanical Engineering

22+ yrs experience·India

Is this course for you?

You should take this if

You work in Aerospace or Automotive
You're a Mechanical Engineering professional
You prefer self-paced learning you can revisit

You should skip if

You need a different specialisation outside Mechanical Engineering
You need live interaction with an instructor

Course details

This course provides a comprehensive introduction to the fundamental principles of fluid mechanics, focusing on the behavior of fluids under various forces and conditions. Participants will explore essential fluid properties such as density, viscosity, and surface tension, along with key definitions that form the foundation of the subject. The course covers fluid statics, including pressure measurement, buoyancy, and the analysis of forces exerted by fluids at rest. It further delves into fluid dynamics, addressing fluid motion through kinematics and dynamics, and introduces Bernoulli’s equation for energy analysis in flowing fluids.Learners will gain insight into viscous flow behavior, distinguishing between laminar and turbulent flows, and understanding boundary layer development and drag forces. The course also emphasizes practical aspects such as fluid flow measurement techniques and instrumentation used in engineering applications. Real-world applications are integrated throughout, including the analysis of pipelines, pumps, turbines, and basic aerodynamics. By the end of the course, participants will have a solid conceptual and practical understanding of fluid mechanics, enabling them to apply these principles to solve engineering problems effectively.

Source: nptelhrd (Youtube Channel)
Fluid Mechanics by Prof. S.K. Som, Department of Mechanical Engineering, IITKharagpur.

Course suitable for

Key topics covered

Fluid properties and definitions
Fluid statics: pressure, buoyancy, and fluid forces
Fluid dynamics: kinematics, dynamics, and Bernoulli's equation
Viscous flows: laminar and turbulent flows, boundary layers, and drag
Fluid flow measurements and instrumentation
Applications in engineering, including pipelines, pumps, turbines, and aerodynamics

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

49 lectures41 hr 22 min

Introduction and Fundamental Concepts - I
51 min
Introduction and Fundamental Concepts - II
51 min
Introduction and Fundamental Concepts - III
49 min
Fluid Statics Part - I
54 min
Fluid Statics Part - II
52 min
Fluid Statics Part - III
57 min
Fluid Statics Part - IV
52 min
Fluid Statics Part - V
51 min
Fluid Statics Part -VI
49 min
Kinematics of Fluid Part - I
53 min
Kinematics of Fluid Part - II
49 min
Kinematics of Fluid Part - III
52 min
Conservation Equations in Fluid Flow Part - I
49 min
Conservation Equations in Fluid Flow Part - II
48 min
Conservation Equations in Fluid Flow Part - III
46 min
Conservation Equations in Fluid Flow Part - IV
47 min
Conservation Equations in Fluid Flow Part - V
48 min
Conservation Equations in Fluid Flow Part - VI
49 min
Conservation Equations in Fluid Flow Part - VII
49 min
Conservation Equations in Fluid Flow Part - VIII
44 min
Conservation Equations in Fluid Flow Part - IX
51 min
Fluid Flow Applications Part - I
58 min
Fluid Flow Applications Part - II
50 min
Fluid Flow Applications Part - III
47 min
Fluid Flow Applications Part - IV
48 min
Fluid Flow Applications Part - V
52 min
Fluid Flow Applications Part - VI
58 min
Fluid Flow Applications Part - VII
50 min
Incompressible Viscous Flows Part I
47 min
Incompressible Viscous Flows Part II
52 min
Incompressible Viscous Flows Part III
49 min
Incompressible Viscous Flows Part IV
50 min
Application of ViscousFlow Through Pipes Part I
50 min
Application of ViscousFlow Through Pipes Part II
53 min
Application of ViscousFlow Through Pipes Part III
48 min
Principles of Similarity Part I
42 min
Principles of Similarity Part II
52 min
Principles of Similarity Part III
60 min
Flow of Ideal Fluids Part I
58 min
Flow of Ideal Fluids Part II
49 min
Flows with a Free Surface Part I
52 min
Flows with a Free Surface Part II
42 min
Flows with a Free Surface Part III
55 min
A Few Unsteady Flow Phenomena in Practice Part I
54 min
A Few Unsteady Flow Phenomena in Practice Part II
50 min
Introduction to Laminar Boundary Layer Part I
50 min
Introduction to Laminar Boundary Layer Part II
51 min
Introduction to Turbulent Flow Part I
46 min
Introduction to Turbulent Flow Part II
58 min

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Questions and Answers

Q: You're sizing a carbon steel water line and you google "carbon steel pipe corrosion mechanism in oxygenated cooling water". The spec calls for 30–40°C, dissolved O₂ near saturation, low chlorides. What degradation mechanism should dominate your material check?

A: A fits the environment written on the P&ID. Oxygen is present, temperature is mild, so you get uniform thinning. B needs chlorides at a different scale. C wants temperature and sulfur you don't have. D assumes phase change or velocity that's not in the duty.

Q: During pre-commissioning you search "pump rotation check during pre commissioning loop check". The motor vendor FAT is complete. What's the correct on-site verification step before cracking the discharge valve?

A: A is first because it avoids reverse rotation damage. B risks backspin and seal upset. C assumes you're already running. D jumps straight to operation before basic direction is known.

Q: You're comparing valve trims and google "control valve cavitation liquid service sizing selection". Liquid is 60°C, moderate vapor pressure, 10 bar drop. Which selection best limits damage without overdesign?

A: A manages pressure recovery and limits bubble collapse. B controls flow but cavitates early. C increases local velocity and collapse intensity. D isn't a control device and chews seats fast.

Q: A sour water line triggers a search for "H2S wet service material selection carbon steel vs stainless". Conditions: 40°C, free water, low velocity, intermittent H₂S. What's the primary material concern?

A: A matches wet H₂S even at low temperature. B needs much higher heat. C is a different ion and alloy issue. D wants elevated temperature and hydrogen partial pressure.