Sl.No.

Chapter

Date of Publication

Topic Name

Video

 Lecture

1

01

09 April 2021

Basic Introduction of Refrigeration & Air Conditioning

https://www.youtube.com/watch?v=Ma-ON-eHWbk

2

01

09 April 2021

Introduction of Refrigeration & Air Conditioning

https://www.youtube.com/watch?v=_tWx2lZp4nA

3

02

10 April 2021

1st & 2nd Law of Thermodynamics, Clausius & Kelvin Plank's 2nd Law of Thermodynamics & Modes of Heat Transfer

https://www.youtube.com/watch?v=yPv79XYMB0M&t=12s

 4

02

10 April 2021

Heat Engine, Refrigerator & Heat Pump & Reversed Carnot Cycle

https://www.youtube.com/watch?v=cj7QbzYpUBg

5 

02

29/04/2021

Reversed Carnot Cycle with P-H Plot, Bell Coleman Cycle, Vapour Compression & Vapour Absorption Cycle, COP of VCR Cycle, Sensible Heating & Cooling Process, Latent Heating & Cooling Process, Parallel Flow & Counter Flow Heat Exchanger etc.

https://www.youtube.com/watch?v=Rnhr-ltbP_4

6 

02

29/04/2021

Reversed Carnot Cycle with gas as working Cycle, Reverse Carnot Cycle used as Heat Pump, Reason Carnot Cycle is not Practicable Cycle, Bell Coleman Cycle with P-V & T-S Plot, Air Refrigeration System in Aircraft, Vapour Compression Cycle with P-H & T-S Plot, Condition of Refrigerant Working Medium in all Components of VCR Cycle, Reversed Carnot Cycle with P-H & T-S Plot, Method of increasing COP in VCR Cycle, Compare Dry Viz. Wet Compression, Sensible Heating & Cooling Process, Vapour Compression Cycle with P-H & T-S Plot when vapour is Super heated in Suction & Sub cooled before Expansion, Different types of VCR Cycle, Uses of Heat Exchanger in VCR Cycle etc.

https://www.youtube.com/watch?v=fq5DPDmv5sw

 7

02

29/04/2021

Numerical Problems on Thermodynamics of Refrigeration Part 1

https://www.youtube.com/watch?v=JT1MFlXwzIY

 8

02

29/04/2021

Numerical Problems on Thermodynamics of Refrigeration Part 2

https://www.youtube.com/watch?v=oZhUXebf18Y

 9

02

29/04/2021

Numerical Problems on Thermodynamics of Refrigeration Part 3

https://www.youtube.com/watch?v=CLF7p3EsolE

 10

03

29/04/2021

Vapour Compression Refrigeration System with Accumulator & Flash Chamber, Types of Compressor used in Refrigeration System, Mechanism of Rotary vane type Compressor, Single & Double Acting Compressor, Mechanism of Hermetically Sealed Compressor, Types & Function of Condenser, Double Pipe Heat Exchanger, Evaporative Condenser System in Refrigeration System, Expansion Device Function, Capillary Tube etc.

https://www.youtube.com/watch?v=0ESZfhrzfiM

 11

03

30/04/2021

Vapour Compression Refrigeration System with Accumulator & Flash Chamber, Types of Compressor & their use in Refrigeration System, Working of Rotary Compressor with Diagram, Single & Double Acting Reciprocating Compressor, Working Mechanism of Hermetically Sealed Compressor, Types & Function of Condenser in Refrigeration System, Air Cooled Condenser, Shell & Tube, Shell & Coil & Double Pipe Condenser, Evaporative Condenser System, Expansion Device Function in Refrigeration System, Working of Capillary Tube, Working of an Automatic Expansion Valve, Thermostatic Expansion Valve & it's Working, Evaporator, Distinguish Between Flooded & Dry Expansion Evaporator, Application of Evaporative Condenser in the Field of Refrigeration System, Working of Shell & Tube, Shell & Coil, Double Pipe, Plate, Baudelot Evaporator, The Function of Compressor & Condenser in Refrigeration System, Advantages of Water Cooled Over Air Cooled Condensers, Cascade/ Multistage Refrigeration System, Gas Refrigeration Cycle (Reversed Bryton Cycle or Bell Collemn Cycle), Reason for using Throttling in V-C Cycle etc.

https://www.youtube.com/watch?v=84RXndGX4x8

 12

03

29/04/2021

Numerical Problems on Vapour Compression Refrigeration Cycle

https://www.youtube.com/watch?v=gPelrw-7kqA

 13

04

30/04/2021

Vapour Absorption Refrigeration System, Vapour Compression Refrigeration System, Lithium Bromide (LiBr) Absorption Refrigeration System, Domestic Electrolux Refrigerator etc.

https://www.youtube.com/watch?v=V_jhjRfMBo0

 14

04

29/04/2021

Function & Working of Vapour Absorption Refrigeration System with briefly description of it's each Parts, Comparison Between VCR & VAR Cycle, Advantage & Limitation of VAR Refrigeration System, Purpose of Rectifier in VAR System, Schematic Diagram of Electrolux Refrigerator Labelled the main Components & it's Working, Working of Lithium Bromide (LiBr) Water Absorption Refrigeration System, Working of Domestic Electrolux Refrigerator with Diagram & Details of it's each Parts, Reason Hyderogen Gas is used in Electolux Refrigeration System, Simple VAR System etc.

https://www.youtube.com/watch?v=TpksP6KnUC8

 15

05 

 20/05/2021

 Types of Refrigerant used in Refrigeration System, Classification of Refrigerants, Primary and Secondary Refrigerants, (Thermodynamic, Desirable, Chemical and Physical Properties of Refrigerants), Refrigeration Cycle, Designation of Refrigerants

https://www.youtube.com/watch?v=S3nTXuNE1P0&t=6s

 16

 05

20/05/2021

 Refrigerants, Primary and Secondary Refrigerants, Mechanical Refrigerant, Quality of Efficient Refrigerant, Classification of Refrigerants with examples, Desirable Thermodynamics Characteristics for Selecting a Refrigerant and Physical Refrigerant, Desirable Chemical Properties of Refrigerant, Desirable Properties of Refrigerants, The Refrigerant used in Domestic Refrigerators and it’s Properties, Specific Characteristics of Ideal Refrigerants, How the Refrigerants are Identified, Chemical Formula of Refrigerants as per ASHRAE, Short Notes on Freon-12, Freon-22 and Ammonia

https://www.youtube.com/watch?v=lkswZAt3zBE

 17

05 

20/05/2021

 Numerical Problems on Properties of commonly used Refrigerants

https://www.youtube.com/watch?v=awgCAoo4QRU&t=2s

 18

 06

20/05/2021

 Construction and Manufacturing of Ice Manufacturing Plant, Layout of Cold storage, Working of Frosting and Non Frosting Type Evaporator

https://www.youtube.com/watch?v=luk_MFXHcOU&t=13s

 19

06 

20/05/2021

 Line Diagram of Ice Plant and it’s working in Details, Thawing Operation, The Layout of Cold Storage Plant and its Working, Defrosting Techniques, Factors Considered for Installing a new Domestic Refrigerator

https://www.youtube.com/watch?v=PTHH_XS4v4E&t=2s

 20

07 

20/05/2021

 Ammonia Refrigeration System, Types of Tools used in Repairing of Refrigeration System, Vacuum Pump, Pressure Gauge for Refilling of Refrigerants, Tube Cutter Tool, Flaring Tool, Spring Type Tube Bending Tool, Pinch-off Tool with Yoke, Pinch off Tool, Swaging Tool Set, Dial Charge Refrigerant System, Halide Torch for Leak Detection of Refrigerants

https://www.youtube.com/watch?v=v1m1wKXECDQ

 21

07 

20/05/2021

 The Points to be focused in Selection of Pipe Size and Material, The Pipe Line Materials used in Refrigeration Plant, Material which are not used with Ammonia, (Tube Cutting, Tube Bending, Flaring, Pinch-off and  Swaging  Tool), The Various Refrigeration Tool used in Laboratories, The neat sketch and method of charging the Refrigerant in Refrigeration System, The Evacuating a Refrigeration System, Methods used to detect the Leakage of Ammonia and Freon 12 and Freon 22, Short Notes on Halide Torch, The general methods for Leak Detection of Refrigeration System, The Leak Test is necessary in Refrigeration System

https://www.youtube.com/watch?v=vKBxT5fNaeQ

 22

08 

20/05/2021

 Air Conditioning Unit, Wet Spray Type Cooler, Cooling Pad of Air Cooler, Honey Pad Air Cooler with its detailed Parts, Evaporative Cooling Pads, Year Round Air Conditioning System, Winter Air Conditioning, Window Air Condition, Split Air Condition, Car Air Condition with all components

https://www.youtube.com/watch?v=hoafqSDTjHk

 23

 08

20/05/2021

 Air Condition, Air Cooler, Purpose of Air Cooler, The names with detailed Diagram of Air Cooler which are commonly used, Spry Washer Type, Pad Type Cooler, Wetted Pad Type Cooler, Rotary Type Cooler, Components of Air Cooler, Function of each Component of Air Cooler, Limitation of Air Coolers, Parameters necessary to control for Air Conditioning System

 https://www.youtube.com/watch?v=3qUmEHd0jfc&t=3s

 24

08 

20/05/2021

 Classification of Air Conditioning System, Classify Comfort Air Conditioning System, (Summer, Winter and All Year round Air Conditioning System), Working of Window Type Air Conditioning System, Industrial Air Conditioning System with its purpose, Car Air Conditioning System with Diagram and detail of its all parts, Difference between Room Air Cooler and Air Conditioning System

 https://www.youtube.com/watch?v=z7oWBwTwwZo&t=5s

 25

09

12/04/2021

Phychrometry & it's terms, Psychrometric Process & Charts, SHF, GSHF, ADP, DPT, Degree of Saturation or Percentage Humidity, Bypass Factor & Enthalpy of Moist Air

 https://www.youtube.com/watch?v=DHshPxltqFc&t=16s

 26

09

12/04/2021

Purpose of Psychrometry Chart, Different Psychrometric Process, Mixing of Air Streams, Sensible Heating & Sensible Cooling, Sling Psychrometer & Defrosting

 https://www.youtube.com/watch?v=g-zlXqPdvvo&t=15s

 27

09

12/04/2021

 Numerical Problems on Psychrometry Part 1

 https://www.youtube.com/watch?v=AeYfviEQEqM&t=9s

 28

09

12/04/2021

 Numerical Problems on Psychrometry Part 2

 https://www.youtube.com/watch?v=_TTNO9AzpN4&t=9s

 29

09 

13/04/2021

 Numerical Problems on Psychrometry Part 3

 https://www.youtube.com/watch?v=aNC4mmZI_EQ&t=19s

 30

09 

14/04/2021

 Numerical Problems on Psychrometry Part 4

 https://www.youtube.com/watch?v=A7IzGdXyTRo&t=55s

 31

 10

20/05/2021

 Centralised Roof Top/ Basement Air Condition System with Duct Layout, Central Celling Duct, Unitary Split Air Condition, (Year round, Winter and Summer Type Air Condition), Schematic Diagram of  Ejector System, Perforated Celling System, Airflow Air outlet Air distribution, Theatre Air Distribution System, (Supply, Extraction and Combined Air Circulation System) Mechanical Ventilation System, Supply Grill Wall Air Distribution System, Radial Perimeter Duct System, (Plenum/Radial, Reducing Extended Plenum, Extended Plenum and Perimeter Loop with Feeder and Loop Ducts in Concentrate Slab, (Spider, Perimeter Loop, Radial and Trunk and Branch Duct System) and Plenum and Spider Duct Supply System

 https://www.youtube.com/watch?v=HVfC3248xqI&t=3s

 32

 10

20/05/2021

 Air Conditioning System, Factors must be considered for designing an Air Conditioning System, Classification of Air Conditioning System, Commercial Air Conditioning System, The names of Essential Components of an Air conditioning System, Room Air Conditioning System, (Summer, Winter and All Year round Air Conditioning System)

 https://www.youtube.com/watch?v=mXR4sht-EWA

 33

 10

20/05/2021

 The names of all essential components of all Year Round Air conditioning System, Air Distribution, Factors while Designing the Air Distribution System, The Air Distribution System for Air Conditioning, (Ejector, Pan Type, Single Storey Building, Gymnasium, Downward, Upward and Theatre, System), Duct System, Duct used in Air Conditioning Plants, Arrangement of Supply Duct,  Perimeter Type (Loop Type Perimeter, Radial Type Perimeter Duct System), Extended Plenum duct System, Uses of Fan and Types of Fan, The Advantage of Providing Insulation, The Desirable Properties of Ideal Insulating Material, Types of Insulating Materials, The Names of Natural and Artificial Insulators

 https://www.youtube.com/watch?v=HQ3k8AhoKSk&t=2s

 34

 10

20/05/2021

 Numerical Problems on Air Conditioning System

 https://www.youtube.com/watch?v=8QBdG9q2XA4&t=1s

 35

 11

22/05/2021

 Air Conditioner Repair Service, Key Tools for Air Conditioning Repair, Maintenance and Repairing of Repairing and Air Conditioning, Trouble in Refrigeration Plants, List of equipment which are necessary to detect fault in refrigeration, Main Faults of Refrigeration/Air Condition, Reason of Faults when the Unit does not Start and Fan Runs, The Causes of defects when the unit as well as fan does not runs, The Causes when the unit start and runs continuously, The Repair of Stuck Compressor,   The Suggestion to Repair/ Maintain refrigerator, The Leakage of the Refrigerator Door is Checked, The Purpose of Defrosting, Suggestions to Maintain Room Cooler, Electrical Faults of Air Conditioner.

https://www.youtube.com/watch?v=jRI2ogwQrcI&t=12s

 36

 37

 38

    39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75