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Fluid Machines

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About The Course

This is an introductory course in Fluid Machines. The subject Fluid Machines has a wide scope and is of prime importance in almost all fields of engineering. The course emphasizes the basic underlying fluid mechanical principles governing energy transfer in a fluid machine and also description of the different kinds of hydraulic and air machines along with their performances. There is a well balanced coverage of physical concepts, mathematical operations along with examples and exercise problems of practical importance. After completion of the course, the students will have a strong foundation on Fluid Machines and will be able to apply the basic principles, the laws, and the pertinent equations to engineering design of the machines for required applications.

Intended Audience
  • Core Course
  • UG Course
  • BE/ME/MS

Basic knowledge of Fluid Mechanics

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Course Instructor


Dr.Sankar Kumar Som is currently an emeritus Professor (on re-employment) in the department of Mechanical Engineering at the Indian Institute of Technology, Kharagpur. His field of expertise is thermo fluid sciences. His research interest is combustion science, and in particular,droplet and spray combustion. Apart from guiding 16 doctoral students and publishing more than 100 research papers in peer-reviewed international journals, he has served as principal investigator and chief consultant in several industrial projects with different government and private organizations. He has authored a text book titled 'Introduction to Heat Transfer ', published by PHI learning, and has also co-authored a text book titled 'Introduction to Fluid Mechanics and Fluid Machines', published by McGraw-Hill Education. He has made significant contributions in national programs on distant learning. He has contributed to NPTEL through his video based and web based courses on 'Fluid Mechanics', 'Thermodynamics', 'Fluid Machines and Compressible flows'. He has also taught Fluid Mechanics in a program titled 'Train Ten Thousand Teachers’ under NMEICT. The present UG and PG course curricula in Engineering and Science at IIT Kharagpur were developed under his leadership as the chairman of a Curriculum Review Committee. He is a fellow of the National Academy of Sciences, India (FNASc) and also of Indian National Academy of Engineering (FNAE). In recognition to his consistent and high level teaching, he was bestowed with the INSA Teachers Award (2014). He has also served the administration at IIT Kharagpur as Head, Department of Mechanical Engineering; Dean, Undergraduate Studies; and  Director (officiating).

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Course layout
Week 1: Introduction and basic principles
Week 2: Hydraulic Impulse Turbine
Week 3: Hydraulic Reaction Turbine Part I
Week 4: Hydraulic Reaction Turbine Part II and Hydraulic Pump Part I
Week 5: Hydraulic Pump Part II
Week 6: Hydraulic Pump Part III
Week 7: Air  Compressor Part I             
Week 8: Air  Compressor Part II
Suggested Reading

Text Books

1. Introduction to Fluid Mechanics and Fluid Machines (Third Edition) by S.K.Som, Gautam Biswas and Suman Chakraborty
Mechanics of Fluids (8th Edition) by Bernard Massey

  • The exam is optional for a fee.
  • Date and Time of Exams: April 28 (Saturday) and April 29 (Sunday) : Morning session 9am to 12 noon; 
  • Exam for this course will be available in one session on both 28 and 29 April.
  • Registration url: Announcements will be made when the registration form is open for registrations.
  • The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published.

  • Final score will be calculated as : 25% assignment score + 75% final exam score.
  • 25% assignment score is calculated as 25% of average of  best 6 out of 8 assignments.
  • E-Certificate will be given to those who register and write the exam and score greater than or equal to 40% final score. Certificate will have your name, photograph and the score in the final exam with the breakup. It will have the logos of NPTEL and IIT KHARAGPUR. It will be e-verifiable at nptel.ac.in/noc.