SBS5311 HVACR II

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Principles of Refrigeration

1. Introduction

2. Refrigerants

3. Selection of Refrigerants

4. Refrigeration Cycles

[Powerpoint file in PDF format]

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 Video presentation:

• Refrigeration Cycle Video Animation (1:30) http://www.youtube.com/watch?v=MqnyaUNxs9A
• Refrigerant types and their future (12:40) http://www.youtube.com/watch?v=J77a0keM2Yk
• Refrigerants How they work in HVAC systems (8:53) http://www.youtube.com/watch?v=lMqoKLli0Y4
• Vapour Compression Refrigeration System (2:26) http://www.youtube.com/watch?v=-Wj_MO4BqtA
• VAPOUR COMPRESSION REFRIGERATION SYSTEM ! LEARN AND GROW (3:34) http://www.youtube.com/watch?v=cobFAMZDS0o
• VAPOUR ABSORPTION REFRIGERATION SYSTEM ! LEARN AND GROW (3:38) http://www.youtube.com/watch?v=Ll8Ku-mFQxE
  
• How Absorption Refrigeration Works (2:27) http://www.youtube.com/watch?v=udeSVyx6_9A
• How to DESIGN and ANALYSE a refrigeration system (18:26) http://www.youtube.com/watch?v=TPabv9iDENc
  

Further reading:

• NPTEL E-learning course -- Refrigeration and Air Conditioning http://nptel.ac.in/courses/112105129/
• Lesson 10 Vapour Compression Refrigeration Systems http://nptel.ac.in/courses/112105129/10
• Lesson 11 Vapour Compression Refrigeration Systems: Performance Aspects And Cycle Modifications http://nptel.ac.in/courses/112105129/11
• Lesson 12 Multi-Stage Vapour Compression Refrigeration Systems http://nptel.ac.in/courses/112105129/12
• Lesson 13 Multi-Evaporator And Cascade Systems http://nptel.ac.in/courses/112105129/13
• Lesson 14 Vapour Absorption Refrigeration Systems http://nptel.ac.in/courses/112105129/14
• Lesson 25 Analysis Of Complete Vapour Compression Refrigeration Systems http://nptel.ac.in/courses/112105129/25
• Lesson 26 Refrigerants http://nptel.ac.in/courses/112105129/26
• Refrigeration cycle (worked examples) [PDF]
  

Software tools:

• Refrigeration Cycle Calculator (R134a) http://engr.usask.ca/classes/ME/227/ME%20227%20Course%20Website/
• http://engr.usask.ca/classes/ME/227/Refrigeration/js/
• SOLKATHERM Calculation Software http://www.solvay-media.de/refrigerants/solkane_software.zip
• Calculation of refrigerant properties, presentation of p-h diagrams and refrigerant information

References:

• ASHRAE, 2014. ASHRAE Refrigeration Handbook 2014, SI edition, American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Atlanta, GA. [VTC CIS] [ASHRAE Catalog: 697 A82 T4]
• Hundy, G. F., Trott, A. R. and Welch, T. C., 2008. Refrigeration and Air-conditioning, 4th ed., Butterworth-Heinemann/Elsevier, Amsterdam and Boston. [ebook via ScienceDirect]
• Wang, S. K., 2001. Handbook of Air Conditioning and Refrigeration, 2nd ed., McGraw-Hill, New York. [697.93 W24 h]
• Chapter 9. Refrigerants, Refrigeration Cycles, and Refrigeration Systems

 Web links:

• Refrigeration - Wikidpedia http://en.wikipedia.org/wiki/Refrigeration
• Heat pump - Wikipedia http://en.wikipedia.org/wiki/Heat_pump
• Heat pump and refrigeration cycle - Wikipedia http://en.wikipedia.org/wiki/Heat_pump_and_refrigeration_cycle
  
• Vapor-compression refrigeration - Wikipedia http://en.wikipedia.org/wiki/Vapor-compression_refrigeration
  
• Air cycle machine - Wikipedia http://en.wikipedia.org/wiki/Air_cycle_machine
• The Reversed Carnot Cycle http://thermodynamics-engineer.com/429-2/
• Refrigerant - Wikidpedia http://en.wikipedia.org/wiki/Refrigerant
• List of refrigerants - Wikidpedia http://en.wikipedia.org/wiki/List_of_refrigerants
• Chlorofluorocarbon - Wikidpedia http://en.wikipedia.org/wiki/Chlorofluorocarbon
• Working of Refrigerator & Refrigeration Principle http://www.learnengineering.org/2014/04/working-of-Refrigerator.html
  
• Ozone depletion potential - Wikipedia http://en.wikipedia.org/wiki/Ozone_depletion_potential
  
• Global warming potential - Wikipedia http://en.wikipedia.org/wiki/Global_warming_potential
  
• CFCs (The Ozone Hole) http://www.theozonehole.com/cfc.htm
  
• HFO refrigerants explained - KTH http://www.kth.se/en/itm/inst/energiteknik/forskning/ett/projekt/koldmedier-med-lag-gwp/low-gwp-news/nagot-om-hfo-koldmedier-1.602602
  
• REFRIGERANTS Past, Present & Future http://coolingindia.in/blog/post/id/13925/refrigerants-past-present--future
• Guidance Notes on the Work Safety and Health of Air-conditioning Works (Labour Department) http://www.labour.gov.hk/eng/public/pdf/GN_for_Air_conditioning_Works_ENG.pdf
• HFO Refrigerants – What You Need to Know http://refrigeranthq.com/hfo-refrigerants-need-know/
  
• Climate-friendly alternatives to HFCs and HCFCs http://ec.europa.eu/clima/policies/f-gas/alternatives_en
• F-gases (Fluorinated gases):
• Fluorinated gases - Wikipedia http://en.wikipedia.org/wiki/Fluorinated_gases
• Fluorinated greenhouse gases http://ec.europa.eu/clima/policies/f-gas_en
  

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| Created: Sep 2017 | Update: 2 Nov 2017 |