RAC Product Design

By Prof. Sanjeev Jain, Prof. Bhupinder Godara   |   IIT Delhi, IIT Delhi
Learners enrolled: 1295
This course will lead to an understanding of refrigeration and air-conditioning products, the components within these products, familiarity with selection parameters for the components and an appreciation of environmental impact of design choices. The course includes a case study to illustrate the process of design leading to a successful product in market.

INTENDED AUDIENCE : Students pursuing BE/ME/Ph.D. in Mechanical Engg. and Design Engineers working in Industries.

PREREQUISITES : Applied Thermodynamics and Basic Heat and Mass Transfer.

INDUSTRY SUPPORT :  Refrigeration and Air Conditioning Industries such as Carrier, Trane, LG, Samsung, Voltas, Blue star, Emerson, Danfoss etc.
Course Status : Completed
Course Type : Elective
Duration : 4 weeks
Category :
  • Mechanical Engineering
Credit Points : 1
Level : Undergraduate/Postgraduate
Start Date : 26 Jul 2021
End Date : 20 Aug 2021
Enrollment Ends : 09 Aug 2021
Exam Date : 26 Sep 2021 IST

Note: This exam date is subjected to change based on seat availability. You can check final exam date on your hall ticket.

Page Visits

Course layout

Week 1  :  Introduction to the design process in general and for Ref. & AC in particular. Applied Thermodynamics as a design tool. Refrigerants and their properties, energy efficiency and environmental considerations, Practical aspects
Week 2  :   Ref. system Components & their types :- compressors, condensers, evaporators, expansion devices. Working principle of the components and unique features
Week 3  : Selection of components for an intended design. Balancing the diversity of design objectives and optimization. Appreciation of the diverting in operating parameters in real applications and incorporation of controls and safety Components
Week 4  :  Product design - New product launch – Performance testing, reliability, safety, Case studies etc

Books and references

Refrigeration and air conditioning, C.P. Arora. Refrigeration and Air-conditioning, R.C. Arora. Refrigeration and air conditioning, W.F. Stoecker and WP Jones. ASHRAE Handbooks. Fundamentals, HVAC Systems & Equipment, refrigeration and HVAC Application

Instructor bio

Prof. Sanjeev Jain

IIT Delhi
Prof. Sanjeev Jain is a Professor of Mechanical Engineering at IIT Delhi, India. He worked in industry for a few years before joining IIT Delhi faculty in 1996. His research interest include Solar cooling, Building energy efficiency, natural refrigerants, decentralized energy systems, recent interest in understanding of mind and cognition.

Prof. Bhupinder Godara

IIT Delhi
Bhupinder Godara graduated in Mechanical Engineering from IIT Delhi in 1987. He completed his M.Tech in Thermal Engineering in 1989 from IITD and has Industry experience of over 25 years in leading Refrigeration and AC companies like Carrier, Danfoss & Fedders Lloyd. He has managed several design programs from concept to market and the products designed successfully continue to meet customer needs in diverse applications like Railway Coaches, Residences, Commercial and Telecom.

Course certificate

The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
Date and Time of Exams: September 26,2021 Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
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. If there are any changes, it will be mentioned then.
Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.


Average assignment score = 25% of average of best 3 assignments out of the total 4 assignments given in the course. 
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

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 Madras .It will be e-verifiable at nptel.ac.in/noc.

Only the e-certificate will be made available. Hard copies will not be dispatched.

Once again, thanks for your interest in our online courses and certification. Happy learning. 

- NPTEL team

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