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Swayam Central

Refrigeration and Air-conditioning

By Prof. Ravi Kumar   |   IIT Roorkee
This Course provides a simple understanding of Refrigeration and Air-conditioning fundamentals. Ideally suited to those with a little or no knowledge of the subject. The course consists of different refrigeration cycles and understanding of psychrometry and psychrometric processes used for the purpose of air-conditioning. Further, the comfort air-conditioning and indoor environment health are also addressed in this course.

INTENDED AUDIENCE : UG & PG students of Mechanical & Civil Eng. and Architecture students
PRE-REQUISITES : Nil
INDUSTRY SUPPORT : All HVAC industries

Learners enrolled: 5634

SUMMARY

Course Status : Completed
Course Type : Core
Duration : 8 weeks
Start Date : 29 Jul 2019
End Date : 20 Sep 2019
Exam Date : 29 Sep 2019
Category :
  • Mechanical Engineering
  • Level : Undergraduate

    COURSE LAYOUT

    Week-1 : Recapitulation of Thermodynamics, Introduction to Refrigeration, Air Refrigeration Cycle, Aircraft Refrigeration Cycles.
    Week-2 : Aircraft Refrigeration Cycles,Vapour Compression Cycle,P-h Charts, Actual Vapour Compression Cycle
    Week-3 : Actual Vapour Compression Cycle,Compound Compression with Intercooling, Multiple Evaporator and Cascade System, Problem Solving
    Week-4 : Refrigerants, Vpour Absorption Systems.
    Week-5 : Introduction to Air-conditioning, Properties of Moist Air, Psychrometric Chart, Psychrometric Processes.
    Week-6 : Psychrometric Processes, Infiltration Design Conditions, Cooling Load.
    Week-7 : Cooling Load, Air Distribution System, Problem Solving, Air-Conditioning Systems
    Week-8 : Human Physiology, Thermal Comfort, Indoor Environmental Health, Problem Solving

    BOOKS AND REFERENCES

    Refrigeration & Air-conditioning, CP Arora, TMG
    Refrigeration & Air-conditioning, Manohar Prasad, NAI
    Refrigeration & Air-conditioning, Stoecker & Jons, MGH
    Principles of Refrigeration, RC Dosset, LPE
    ASHRAE Handbook (Fundamentals), ASHRAE

    INSTRUCTOR BIO




    Dr. Ravi Kumar is a Professor in the Department of Mechanical & Industrial Engineering, Indian Institute of Technology Roorkee. He has taught Refrigeration & Air-conditioning to UG and PG students of the Department. He is a member of ASHRAE, IIFIIR and ASME. He has supervised number of masters and doctoral students in this area.

    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: 29th September 2019, 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 IIT Roorkee. It will be e-verifiable at nptel.ac.in/noc.
    • Only the e-certificate will be made available. Hard copies are being discontinued from July 2019 semester and will not be dispatched

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