AU3039 Vehicle Air Conditioning Syllabus:
AU3039 Vehicle Air Conditioning Syllabus – Anna University Regulation 2021
OBJECTIVE:
• At the end of the course, the students will be able to understand the components of theautomotive air-conditioning and their functions and the latest developments in this field.
UNIT I AUTOMOTIVE AIRCONDITIONING FUNDAMENTALS
Purposes of Heating, Ventilation and Air Conditioning- Environmental Concerns- Ozone layer depletion- Location of air conditioning components in a car – Schematic layout of a vehicle refrigeration system. Psychrometry – Basic terminology and Psychrometric mixturesPsychrometric Chart- Related problems
UNIT II AUTOMOTIVE COOLING AND HEATING SYSTEM
Vehicle Refrigeration System and related problems- Fixed thermostatic and Orifice tube system Variable displacement thermostatic and Orifice tube system- Vehicle air conditioning operation Types of compressor- Compressor Clutches- Compressor Clutch electrical circuit- Compressor lubrication- Condensers- Evaporators- Expansion devices- Evaporator temperature and pressure controls- receiver-drier- Accumulators- refrigerant hoses, Connections and other assembliesHeating system
UNIT III AIR-CONDITIOING CONTROLS, DELIVERY SYSTEM AND REFRIGERANTS
Types of Control devices- Preventing Compressor damage- Preventing damage to other systems- Maintaining driveability- Preventing Overheating Ram air ventilation- Air delivery Components- Control devices- Vacuum Controls Containers – Handling refrigerants – Discharging, Charging & Leak detection – Refrigeration systemdiagnosis – Diagnostic procedure – Ambient conditions affecting system pressures.
UNIT IV AUTOMATIC TEMPERATURE CONTROL
Different types of sensors and actuators used in automatic temperature control- Fixed and variable displacement temperature control- Semi Automatic- Controller design for Fixed and variable displacement type air conditioning system
UNIT V SYSTEM SERVICING AND TESTING
Special tools for servicing vehicle air conditioning – Diagnosing components and air conditioning systems- Diagnosing cooling system- Air delivery system- Automatic temperature Control system diagnosis and service
TOTAL : 45 PERIODS
OUTCOME
Upon the completion of the course, the student should understand the basic of vehicle airconditioning system, its components, working principle, control mechanism, service etc.
TEXT BOOKS:
1. Warren Farnell and James D.Halderman, “Automotive Heating, Ventilation, and Air Conditioningsystems”, Classroom Manual, Pearson Prentice Hall, 2004
2. Warren Farnell and James D.Halderman, “Automotive Heating, Ventilation, and Air Conditioningsystems”, Shop Manual, Pearson Prentice Hall, 2004
3. William H Crouse and Donald L Anglin, “Automotive Air conditioning”, McGraw Hill Inc., 1990.
REFERENCES:
1. Goings,L.F., “Automotive Air Conditioning”, American Technical services, 1974.
2. Mitchell Information Services, Inc., “Mitchell Automatic Heating and Air Conditioning Systems”,Prentice Hall Inc., 1989.
3. McDonald,K.L., “Automotive Air Conditioning”, Theodore Audel series, 1978.
4. Paul Weisler, “Automotive Air Conditioing”, Reston Publishing Co. Inc., 1990.