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Refrigeration and Air Conditioning

This course provides training on the fundamentals of air conditioning and refrigeration Focus topics include refrigeration cycles, psychrometric processes and cycles, air quality requirements and controls, human comfort conditions, building heat transfer, solar radiation, egress and infiltration, cooling load calculations, and bin-methods for energy analysis.

Refrigeration and Air Conditioning

Duration: 06 Month’s

Courses Code: 105

Total Time: 403 Hour

Subject Code Subjects of Study Subjects Description Hours
Lesson 1:
Fundamentals of Refrigeration
Recapitulation of Thermodynamics, Introduction to Refrigeration, Air Refrigeration Cycle, Aircraft Refrigeration Cycles
40
Lesson 2:
Vapour Compression System
Aircraft Refrigeration Cycles,Vapour Compression Cycle,P-h Charts, Actual Vapour Compression Cycle
40
Lesson 3:
Refrigerants
Refrigerants, Vpour Absorption Systems
40
Lesson 4:
Air Refrigeration System
• Joule Cycle, Reverse Brayton Cycle, Bell-Coleman Cycle
40
Lesson 5:
Vapour Absorption System
Actual Vapour Compression Cycle, Compound Compression with Intercooling, Multiple Evaporator and Cascade System, Problem Solving
40
Lesson 6:
Refrigeration Equipment
• Compressor, condenser, evaporator, expansion devices etc
40
Lesson 7:
Psychrometry
• Psychrometric Processes, Infiltration Design Conditions, Cooling Load
40
Lesson 8:
Air Conditioning
• Introduction to Air-conditioning, Properties of Moist Air, Psychrometric Chart, Psychrometric Processes
40
Lesson 9:
Energy Calculation
• Human Physiology, Thermal Comfort, Indoor Environmental Health, Problem Solving. Applied Psychrometry and Heat Load Estimation.
40
Lesson 10:
Air Conditioning Systems
• Cooling Load, Air Distribution System, Problem Solving, Air-Conditioning Systems
40
Exam
Semester Final Exam
03

Exam Subjects

Sl Number Subjects Marks
01.
General Air Conditioning Systems and Applications.
100
02.
Cooling and Refrigeration Cycles.
100
03.
Psychometrics and Air Conditioning Processes.
100
04.
Indoor Air Quality and Air Recirculation.
100
05.
Heat Transmission in Building Structure.
100
06.
Solar Radiation.
100
07.
Infiltration and Exfiltration.
100
08.
Cooling and Heat Load Calculation.
100
09.
Energy Calculation
100
10.
Design Project of a HVAC System.
100