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Advancement in solar cooling.

Number: keynote

Author(s) : INFANTE FERREIRA C.

Summary

Solar energy can potentially contribute to 20% of the European energy demand if all cooling and heating systems would be driven by solar energy. This paper considers cooling systems for residential and utility buildings in both South and North Europe and investigates the most promising alternatives when solar energy is to be used to supply the cooling demand of these buildings while the heat rejection temperatures are high. Both the solar electric and solar thermal routes are considered. The discussion considers both concentrating and nonconcentrating thermal technologies. It is concluded that solar concentrating systems in combination with power cycles and vapour compression cooling systems lead to the economically most attractive solutions. The cheapest thermal sorption technologies are about a factor 1.25 more expensive. Photovoltaic systems in combination with vapour compression cooling are about a factor 3.0 more expensive. Desiccant systems in combination with flat-plate solar collectors, when feasible, are the most attractive sorption systems followed by double-effect H2O-LiBr absorption systems in combination with concentrating trough collectors.

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Format PDF

Pages: 23-46

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Details

  • Original title: Advancement in solar cooling.
  • Record ID : 30001176
  • Languages: English
  • Source: Sources/sinks Alternative to the Outside Air for Heat Pump and Air-conditioning Techniques (Alternative Sources - AS), Padua, Italy, April 5-7, 2011. / International Sorption Heat Pump Conference (ISHPC11), Padua, Italy, April 6-8, 2011.
  • Publication date: 2011/04/06

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