Jump to content

Deep water source cooling

From Wikipedia, the free encyclopedia

This is an old revision of this page, as edited by Jafeluv (talk | contribs) at 11:44, 26 August 2009 (namespace). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Schematic of a deep water heat sink
Schematic of the system on which a deep water cold source can be mounted

Deep water source cooling (DWCS) or deep water air cooling is a form of air cooling for process and comfort space cooling which uses a renewable, large body of naturally cold water as a heat sink. It uses water at a constant 277-283°Kelvin (or 4-10°Celcius)[1] or less which it withdraws from deep areas within lakes, oceans, aquifers and rivers and is pumped through the primary side of a heat exchanger. On the secondary side of the heat exhchanger, cooled water is produced. [2]

Advantages

Deep water source cooling has several advantages:

  • It is a very energy efficient method of cooling renewable energy alternative to It uses deep ocean water to provide air conditioning to coastal residential and commercial regions. DWSC uses only 1/10th of the average energy required by conventional cooler systems. [3]
  • DWSC does not use any ozondepleting refridgerant. This is still an important feature, despite the fact that smaller/less expensive ecologic cooling devices too exist.

Disadvantages

Several disadvantages are also present:

  • DWSC requires the presence of a (fairly) large and deep water quantity in the surroundings. To obtain water in the 3-6°C range, a depth of 66 meters is required. [4]
  • The set-up of a DWCS system is expensive and labour-intensive. The system also requires a great amount of source material for the construction and placement. For example the pipes alone can range several hundreds of meters when placed next to one another.

See also

References

  1. ^ 40-50°F in Celsius and Kelvin
  2. ^ Deep water source cooling description
  3. ^ Deep water source cooling using 1/10th of conventional cooling systems
  4. ^ Depth of lake DWSC
  • Sudick, Jennifer (Vol. 13, Issue 15 - Tuesday, January 15, 2008). "New seawater cooling plant in the works". Honolulu Star-Bulletin. Retrieved 2008-04-26. {{cite news}}: Check date values in: |date= (help); Cite has empty unknown parameter: |coauthors= (help)
  • Long Beach Press-Telegram , April 7, 2005, USING COLD SEAWATER FOR AIR-CONDITIONING


Stub icon

This article about renewable energy is a stub. You can help Wikipedia by expanding it.

Retrieved from "https://en.wikipedia.org/enwiki/w/index.php?title=Deep_water_source_cooling&oldid=310146257"