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Electronics Enclosures Thermal issues

By Prof. N.V.Chalapathi Rao   |   IISc Bangalore
Learners enrolled: 73
Electronics Design is understood as analysis and implementation at various levels from large systems installation to chip design. One of the aspects is failure due to temperature effects is constantly under study. Theory of Heat transfer has been understood and explained way back in 1700. Rigor and precision has resulted in seemingly complicated ‘equations’.

In the design of enclosures, managing heat is (relatively) well understood. Empirical results can be used to optimise the layout and reduce failure. Practices in use of heat management hardware are available from specialist manufacturers and can be used. This course is an attempt to familiarise the participating registrants with heat related issues in Design of Electronic Product enclosures.

INTENDED AUDIENCE:
  • Registrants to BSc, BE,  B.Tech, MSc and ME, M.Tech courses, 
  • Product design engineers (in related industry)
  • Product Managers 
PREREQUISITES :12th Standard
INDUSTRY SUPPORT :Electronics and Mechanical involved in enclosure Design
Summary
Course Status : Upcoming
Course Type : Elective
Duration : 8 weeks
Start Date : 21 Feb 2022
End Date : 15 Apr 2022
Exam Date : 23 Apr 2022 IST
Enrollment Ends : 21 Feb 2022
Category :
  • Electrical, Electronics and Communications Engineering
Credit Points : 2
Level : Undergraduate/Postgraduate



Course layout

1. Introduction to Enclosures and thermal issues
2. Basics of conductive heat transfer
3. Radiation at normal ambient
4. Convection basics
5. Forced convection
6. Combined modes

7. Use of Conduction in enclosures
8. Radiation as a speciality
9. Convective cooling in small products
10. Forced cooling in medium and large systems
11. Liquid cooled high power modules
12. Novelty phase change and thermo electrics
13. Refrigerated cabinets

14. Heat sinks practical application
15. Blowers, fans, ventilations of systems
16. Instrumentation for measurement
17. Effects on sealed enclosures

18. Integration of ID with the heat aspects
19. Case stories in biological instruments
20. Case study of select participants’ work
21. Application of Thermal CAD and round up

Books and references

  • OCW, YouTube videos on related topics, Manufacturers documentation
  • ET Schonholzer -Thermal Design CEDT
  • Yunus Cengel, Afshin Ghajar - Heat and Mass Transfer: Fundamentals and Applications
  • Halliday, Resnick, Walker - Principles of Physics
  • Ralph Remzberg - Thermal Design CRC press
  • Pahl and Beitz - Engineering Design Springer
  • Product catalogues of Heat sinks, Blowers, coolers, Mounting hardware,

Instructor bio

Prof. N.V.Chalapathi Rao

IISc Bangalore
N.V.Chalapathi Rao has worked in Defense R & D for 8 years. Has been delivering lectures since 1984 on topics related to equipment design at CEDT, DESE and CPDM of IISc. Has guided and and built more than 100 projects at M. Tech level

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: 23 April 2022 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.

CRITERIA TO GET A CERTIFICATE

Average assignment score = 25% of average of best 6 assignments out of the total 8 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 IISc Bangalore.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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