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Estimating performance of a solar cooling installation in Melbourne.

Author(s) : SZCZEPANIK K.

Summary

Recent growth in solar technologies has perhaps overlooked the potential for solar cooling to utilise Australia's most abundant resource. Frequently considered in hotter climates solar cooling is less commonly planned in more temperate regions such as Melbourne. This paper presents results from modelling the performance of various solar cooling systems when serving a large healthcare building in Melbourne. Having access to detailed building loads and energy data including long-term-averaged weather & solar data the solar cooling model estimates performance of various installations over a year. Modelled systems all include absorption chillers to utilise solar energy and results compare installations of varying capacities and collector types including the effects of a thermal energy storage system. Simple payback, NPV and life cycle abatement costs were obtained for each system and compared against various optimisation strategies. Capital costs, especially collector costs and auxiliary works, appear to remain a significant hurdle in achieving competitive financial results. Future carbon costs are likely to have a measurable effect on financial results and solar cooling has the potential to be highly competitive in a carbon trading context. Thermodynamic performance was positive for all systems undertaken.

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Pages: 2008-3

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Details

  • Original title: Estimating performance of a solar cooling installation in Melbourne.
  • Record ID : 2009-1813
  • Languages: English
  • Subject: General information
  • Source: HVAC Energy Efficiency Best Practice Conference
  • Publication date: 2008/09/18

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