ME2022 REFRIGERATION AND AIR CONDITIONING L T P C
3 0 0 3
AIM:
To reach the underlying principles of operation in different Refrigeration & Air conditioning systems and components.
OBJECTIVES:
• To provide knowledge on various refrigeration cycles, system components and refrigerants. To provide knowledge on design aspects of Refrigeration & Air conditioning Systems.
UNIT I REFRIGERATION CYCLE 7
Review of thermodynamic principles of refrigeration. Carnot refrigeration cycle – Vapour compression refrigeration cycle – use of P.H. charts – multistage and multiple evaporator systems – cascade system – COP comparison. Air Refrigeration cycles.
UNIT II REFRIGERANTS AND SYSTEM COMPONENTS 10
Compressors – reciprocating and rotary (elementary treatment), Types of condensers, evaporators, cooling towers – Functional aspects. Refrigerants – properties – selection of refrigerants, Alternate Refrigerants, Cycling controls.
UNIT III PSYCHROMETRY 10
Psychrometric processes use of psychrometric charts – Grand and Room Sensible Heat Factors – bypass factor – air washers, requirements of comfort air conditioning, summer and Winter Air conditioning.
UNIT IV AIR CONDITIONING SYSTEMS 9
Cooling load calculation working principles of – Centralized Air conditioning systems, Split, Ductable split, Packaged Air conditioning, VAV & VRV Systems. Duct Design by equal friction method, Indoor Air quality concepts.
UNIT V UNCONVENTIONAL REFRIGERATION CYCLES 9
Vapor Absorption system – Ejector jet, Steam jet refrigeration, thermo electric refrigeration.
APPLICATIONS – ice plant – food storage plants – milk – chilling plants.
TOTAL: 45 PERIODS
TEXT BOOKS:
1. Manohar Prasad, “Refrigeration and Air Conditioning”, Wiley Eastern Ltd., 1983.
2. Arora C.P., “Refrigeration and Air Conditioning”, Tata McGraw Hill, New Delhi, 1988.
REFERENCE BOOKS:
1. Roy. J. Dossat, “Principles of Refrigeration”, Pearson Education 1997.
2. Jordon and Priester, “Refrigeration and Air Conditioning”, Prentice Hall of India Pvt. Ltd., New Delhi, 1985.
3. Stoecker N.F. and Jones, “Refrigeration and Air Conditioning”, TMH, New Delhi, 1981
3 0 0 3
AIM:
To reach the underlying principles of operation in different Refrigeration & Air conditioning systems and components.
OBJECTIVES:
• To provide knowledge on various refrigeration cycles, system components and refrigerants. To provide knowledge on design aspects of Refrigeration & Air conditioning Systems.
UNIT I REFRIGERATION CYCLE 7
Review of thermodynamic principles of refrigeration. Carnot refrigeration cycle – Vapour compression refrigeration cycle – use of P.H. charts – multistage and multiple evaporator systems – cascade system – COP comparison. Air Refrigeration cycles.
UNIT II REFRIGERANTS AND SYSTEM COMPONENTS 10
Compressors – reciprocating and rotary (elementary treatment), Types of condensers, evaporators, cooling towers – Functional aspects. Refrigerants – properties – selection of refrigerants, Alternate Refrigerants, Cycling controls.
UNIT III PSYCHROMETRY 10
Psychrometric processes use of psychrometric charts – Grand and Room Sensible Heat Factors – bypass factor – air washers, requirements of comfort air conditioning, summer and Winter Air conditioning.
UNIT IV AIR CONDITIONING SYSTEMS 9
Cooling load calculation working principles of – Centralized Air conditioning systems, Split, Ductable split, Packaged Air conditioning, VAV & VRV Systems. Duct Design by equal friction method, Indoor Air quality concepts.
UNIT V UNCONVENTIONAL REFRIGERATION CYCLES 9
Vapor Absorption system – Ejector jet, Steam jet refrigeration, thermo electric refrigeration.
APPLICATIONS – ice plant – food storage plants – milk – chilling plants.
TOTAL: 45 PERIODS
TEXT BOOKS:
1. Manohar Prasad, “Refrigeration and Air Conditioning”, Wiley Eastern Ltd., 1983.
2. Arora C.P., “Refrigeration and Air Conditioning”, Tata McGraw Hill, New Delhi, 1988.
REFERENCE BOOKS:
1. Roy. J. Dossat, “Principles of Refrigeration”, Pearson Education 1997.
2. Jordon and Priester, “Refrigeration and Air Conditioning”, Prentice Hall of India Pvt. Ltd., New Delhi, 1985.
3. Stoecker N.F. and Jones, “Refrigeration and Air Conditioning”, TMH, New Delhi, 1981
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