SPD5132 Indoor Environment and HVAC Systems

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Heat rejection systems

1. Heat rejection methods

2. Cooling towers

3. Assessment of cooling towers

4. Selecting a cooling tower

5. Cooling tower operation

[Powerpoint file in PDF format]

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 Video presentation:

• Cooling Tower Basic Operation (2:08) http://www.youtube.com/watch?v=pXaK8_F8dn0
• How Cooling Towers Work (12:59) http://www.youtube.com/watch?v=UzHJWNL2OtM
• How A Cooling Tower Works - r11172016 (1:48) http://www.youtube.com/watch?v=-BsgDUkAJ0o
• Cooling Towers Training (22:11) http://www.youtube.com/watch?v=ZpBIDjHAA-k
• Three Common Cooling Tower Problems (4:53) http://www.youtube.com/watch?v=wVM6_9f-mbg

Further reading:

• Water-cooled Air-Conditioning System http://www.energyland.emsd.gov.hk/en/building/water_cooled_sys/
• What Is A Cooling Tower? http://spxcooling.com/coolingtowers
• What is a (wet, atmospheric) cooling tower? http://www.cti.org/whatis/coolingtower.shtml

References:

• CIBSE, 2003. Refrigeration and Heat Rejection, CIBSE Guide B4, Chartered Institution of Building Services Engineers, London.
  
• Comparison of Heat Rejection Methods http://www.baltimoreaircoil.com/english/resource-library/file/1481
• Cooling Tower Fundamentals http://spxcooling.com/library/detail/cooling-tower-fundamentals
• Good operation and maintenance practice of fresh water cooling towers for air-conditioning systems http://www.emsd.gov.hk/filemanager/tc/content_296/Good_OnM_Practice_of_Fresh_Water_Cooling_Towers_for_Air-conditioning_Systems.pdf
  

 Web links:

• Cooling Tower Approach http://spxcooling.com/library/detail/cooling-tower-approach
• Cooling Tower Range http://spxcooling.com/library/detail/cooling-tower-range
• Cooling Tower Performance Basic Theory and Practice http://spxcooling.com/library/detail/cooling-tower-performance-basic-theory-and-practice
• Cooling tower components:
• Fill http://spxcooling.com/parts/list/cooling/fill
• Drift Eliminator http://spxcooling.com/parts/xcelplus-eliminators
• Water Distribution http://spxcooling.com/parts/list/cooling/water-distribution
• Mechanical Equipment http://spxcooling.com/parts/list/cooling/fans-and-drives
• Biomedia http://spxcooling.com/parts/list/cooling/biomedia
• A Comprehensive Approach to the Analysis of Cooling Tower Performance http://spxcooling.com/library/detail/a-comprehensive-approach-to-the-analysis-of-cooling-tower-performance
• Free Cooling http://spxcooling.com/featured/free-cooling/
• Cooling Towers: Design and Operation Considerations http://www.cheresources.com/content/articles/heat-transfer/cooling-towers-design-and-operation-considerations

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| Created: Jul 2016 | Update: 20 Jan 2017 |