Refrigeration and Equipment Engineering

Teacher

Dr. R. SRINU

Category

Core Courses

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Course Name : Refrigeration and Equipment Engineering

FSFE 3202(2+1) : FSFE 3202(2-1-0)

Course Objective

To study about the principles under refrigeration, law of thermodynamics, equipments related to refrigeration.

To study about the alternative freezing/chilling methods

To understand the importance of refrigeration in preservation of fish and fish based products.

CO-PO Mapping

COs Course outcomes Mapping Cos with POs
CO-1 Understands the law of thermodynamics, fundamentals of refrigeration and importance of refrigeration on fish and fisheries PO-1, PO-5

 

CO-2 Knowledge on the alternative refrigeration techniques and arrangements in fish processing industries as well as fishing vessels PO-1
CO-3 Knowledge on the history and development of fish preservation and role of refrigeration in fisheries PO-1, PO-2

 

PO1 : Knowledge enhancement

PO2 :  Professional and Entrepreneurial Skill development

PO5 : Environment and Sustainability

Course Syllabus

Refrigeration and Equipment Engineering 

Theory

  • Refrigeration: Primary refrigerant, secondary refrigerant
  • Properties of refrigerant, ideal refrigerant
  • Freezers: Definition, design and construction of freezers
  • Plant freezer, blast freezer, tunnel freezer, spray or immersion freezers
  • refrigerated fish rooms and fish hold
  • Alternative refrigeration technique arrangements used on-board the fishing vessel i.e., Refrigerated sea water (RSW), Chilled sea water (CSW)
  • Refrigerated transport
  • Fundamentals: Force, work, power, energy, volume, pressure, temperature, Heat, specific heat, sensible heat, latent heat
  • Laws of Thermo Dynamics: Different types of heat involved
  • Sensible heat, latent heat, pressure, Volume, Temperature and Thermodynamics cycles
  • Thermodynamics cycle, entropy, enthalpy
  • Refrigeration: History of refrigeration, Definition, principle, classification
  • Types of refrigeration- vapour absorption refrigeration system
  • Vapour compression refrigeration system
  • Compressors, Condensers
  • Receivers, Evaporators
  • Expansion valves, Auxiliary Equipments
  • Refrigeration plant, Layout of refrigeration plant, construction
  • Insulating materials used for the cold storage construction, Frozen product storage capacity of cold storage, usage of ante-room
  • Ice plant planning brine tank construction, preparation of brine
  • Types of ice, Storing of ice, Equipments used in ice plants
  • Cooling load: Unit of refrigeration, coefficient of performance (C.O.P), Refrigeration effect, study and use of psychometric chart
  • Cooling load estimation, introduction, components of cooling load, heat gain through walls, roofs, products, occupants, lighting equipments
  • Theory of machines: Transmission of power, friction wheels, shaft, gears, belt and chain drive
  • Equipments commonly used in fish processing units
  • Study of machinery used for freezing
  • Canning and packaging
  • Special equipment for Freeze-drying
  • Irradiation and Cryogenics
  • Deck fittings - winches, mast, derrick, gallows, etc
  • Maintenance: Definition, Types of maintenance, general maintenance of freezing plant, cold storage and ice plant

 

Practicals

  • Drawing of Vapour absorption Refrigeration cycle
  • Fish processing machineries
  • Fish processing plant layout
  • Graphically represented symbols used in refrigeration
  • Handling and operation of compressors
  • Handling and operation of condensers
  • Handling and operation of evaporators
  • Handling and operation of expansion valves
  • Study of domestic refrigerator
  • Calculation on refrigeration effect and cooling load
  • Starting of refrigeration plant
  • Meat Picking machine
  • Types of defrosting
  • Power transmission line diagram
  • Gas charging system
  • Oil changing system

 

References

1. Post-Harvest technology of fish and fish products ---- K.K. Balachandran

2. Fish Products and by-products ---- K.C.Dora & R.N.Mishra

Session Plan

Session 1

Fundamentals: Force, work, power, energy, volume, pressure, temperature. Heat, specific heat, sensible heat, latent heat, comparison between heat and work-A path function. Thermodynamics: Laws of Thermodynamics, Laws of perfect gases, Thermodynamic processes, Application of First and Second law of Thermodynamics in refrigeration, Thermodynamics cycle, entropy, enthalpy.

Session 1

https://www.youtube.com/watch?v=rBlnLTWT_4g

Practical- REFRIGERATION AND EQUIPMENT PLANT LAYOUT

P1

Session 2

Types of refrigeration systems i.e., Air refrigeration, Vapour compression refrigeration system.

Session 2

https://www.youtube.com/watch?v=nx9dWcMcmUk

Practical- STARTING OF REFRIGERATION PLANT

P2

Session 3

Vapour absorption refrigeration system

Session 3

https://www.youtube.com/watch?v=xDDmlT-HK1Y

Practical- NON CONDENSIBLE GAS PURGING

P3

Session 4

Parts of refrigeration systems (Compressor), Compressors: Definition, Types of compressor, construction, working principle advantages and disadvantages.

Session 4

https://www.youtube.com/watch?v=Bmm48J2LISk

https://www.youtube.com/watch?v=YCpayFv83Tc&t=62s

Practical- OIL DRAINING SYSTEM

P4

Session 5

Parts of refrigeration systems (Evaporator), Evaporator: Definition, Types of Evaporator, construction, working principle advantages and disadvantages.

Session 5

https://www.youtube.com/watch?v=X4GE6rTMu6c&t=2s

Practical- GAS CHARGING SYSTEM

P5

Session 6

Parts of refrigeration systems (Condenser), Condenser: Definition, Types of Condenser, Cooling Towers, construction, working principle, advantages and disadvantages

Session 6

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

Practical- DEFROSTING

P6

Session 7

Parts of refrigeration systems (Expansion devices), Expansion valve: Definition, Types of Expansion valve, construction, working principle advantages and disadvantages.

Session 7

https://www.youtube.com/watch?v=w2BPuiqBMok

Practical- FOOT REFORMER MACHINE

P7

Session 8

Refrigerants, Refrigerant: Primary refrigerant, secondary refrigerant, properties, ideal refrigerant, leakage detection

Session 8

https://www.youtube.com/watch?v=J77a0keM2Yk

Practical- FOOT FLANGER MACHINE

P8

Session 9

Insulation, Non condensable gas, Study of auxiliary equipment: Receiver, oil charging, refrigerant charging, gas purging, oil draining, types of defrosting.

Session 9

https://www.youtube.com/watch?v=yYx4M0_7VeM

https://www.youtube.com/watch?v=8z1J2tVZjnY

 

Session 10

Freezers, Freezers: Definition, Design and construction of freezers i.e. Plate freezer, Blast freezer, Tunnel freezer, spray or immersion freezers, refrigerated fish rooms and fish hold. Alternative refrigeration technique arrangements used onboard the fishing vessel i.e., Refrigerated sea water (RSW), Chilled sea water (CSW). Refrigerated transport.

Session 10

https://www.youtube.com/watch?v=7NwxMyqUyJw

Session 11

Freezers and Type of the Freezer, Freezers: Definition, Design and construction of freezers i.e. Plate freezer, Blast freezer, Tunnel freezer, spray or immersion freezers, refrigerated fish rooms and fish hold. Alternative refrigeration technique arrangements used onboard the fishing vessel i.e., Refrigerated sea water (RSW), Chilled sea water (CSW). Refrigerated transport.

Session 11

https://www.youtube.com/watch?v=5eci_ck8U50

https://www.youtube.com/watch?v=h5wQoA15OnQ

Session 12

Ice Plant, Quality of Ice, Ice-plant: Ice plant planning   Brine tank construction, preparation of brine ,Types of ice, Storing of ice, Equipments used in ice plants.

Session 12

https://www.youtube.com/watch?v=gwHutErsUk8

https://www.youtube.com/watch?v=kPb4UENwZfg

Session 13

Type of ice, preparation of brine ,Types of ice, Storing of ice, Equipments used in ice plants.

Session 13

https://www.youtube.com/watch?v=5FHpk5UeHB8

Session 14

Power transmission elements, Shafts, Theory of machines: Transmission of power, friction wheels, shaft , gears, belt and Chain drive.

Session 14

https://www.youtube.com/watch?v=Ft-upKwH5-M

https://www.youtube.com/watch?v=UichKjLmpo8

https://www.youtube.com/watch?v=3Hjmile-cNU

 

 

Session 20

Maintenance: Definition, Types of maintenance, general maintenance of freezing plant, cold storage and ice plant.

Session 20

https://www.youtube.com/watch?v=peVAaLIJJ6c

https://www.youtube.com/watch?v=0fhoEUm8jHI

 

Session 17

Study of equipments used in fish processing with particular reference to canning, sausage, freeze drying and irradiation.

Session 17

https://www.youtube.com/watch?v=G8LHGY3i01Q

Session 18

Session 19

Heat load calculation problems and solutions

Session 19

https://www.youtube.com/watch?v=pilPMcwOLm8

Assignments

 

Thermodynamics: Laws of Thermodynamics

 Refrigeration: History of refrigeration, Definition, principle, classification, Types of refrigeration systems

Refrigeration plant: Layout of refrigeration plant, Construction.

Insulating materials used for the cold storage construction

Refrigeration systems: Vapour compression refrigeration system advantages and disadvantages as compared to other refrigeration systems

Ice-plant: Ice plant planning  

Freezers: Definition, Design and construction of freezers

 Alternative refrigeration technique arrangements used onboard the fishing vessel i.e., Refrigerated sea water (RSW), Chilled sea water (CSW).

Refrigerated transport.

Cooling load: Unit of refrigeration, coefficient of performance (C.O.P)

Theory of machines: Transmission of power, friction wheels, shaft , gears, belt and Chain drive.

Equipments used in fish processing with particular reference to canning, sausage, freeze drying and irradiation.

Maintenance: Definition, Types of maintenance, general maintenance of freezing plant, cold storage and ice plant.  

Question Bank

 

click on the link

Model Question REE

Our Main Teachers

SRINU. R is working as an Associate Professor in the Department of Fish Processing Technology, School of Fisheries, CUTM, Paralakhemundi Campus from May 2023 onwards. He completed his Ph.D., M.F.Sc in Post-Harvest Technology from ICAR-Central Institute of Fisheries Education, Mumbai and B.F.Sc. (Bachelor of Fisheries Science) from College of Fishery Science – Muthukur, SVVU. He […]