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District heating operated absorption cooling at a new hospital in Trondheim.

Author(s) : EGGEN G., UTNE A., ANDREASSEN B., et al.

Summary

Trondheim Energiverk Fjernvarme AS has delivered district heat in Trondheim since 1982. The base heat production is from a waste incineration plant, covering 50% of the annual energy supply. This share will increase to 75-80% in 2007 as a new waste incineration plant is under construction. In summertime, there is surplus of waste heat in the system. This excess heat is used as the driving energy for absorption chillers in two district cooling plants in Trondheim. River water is used for condenser cooling in summer, and for direct cooling in winter when the water temperatures are low. This is a very environmentally friendly cooling system, as most of the cooling demand is covered by "free cooling" from river water. The additional cooling is produced by absorption chillers which use waste heat as driving energy.

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Pages: 2006-2

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Details

  • Original title: District heating operated absorption cooling at a new hospital in Trondheim.
  • Record ID : 2007-1712
  • Languages: English
  • Source: 7th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2006). Proceedings
  • Publication date: 2006/05/29

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