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      Solar energy use for energy savings in dairy processing plants

      Anderson, Timothy Nicholas; Duke, Mike
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      Solar energy.pdf
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       www.ipenz.org.nz
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      Anderson, T. N. & Duke, M. (2007). Solar energy use for energy savings in dairy processing plants. IPENZ Engineering TreNz, 2008-001.
      Permanent Research Commons link: https://hdl.handle.net/10289/3204
      Abstract
      New Zealand is one of the world’s largest producers of dairy products and has a climate with high levels of solar radiation; however, the use of solar energy in the dairy processing industry has received limited attention. An examination of historical records found that the annual peak in New Zealand milk production and processing occurs at a time when solar radiation levels are increasing markedly.

      An F-Chart analysis was used to simulate the performance of large-area arrays of solar collectors and to determine their suitability for heating and cooling in a dairy processing environment. For the study four types of solar collectors were analysed: glazed flat plates, evacuated tubes, evacuated tubes with CPC reflectors and a building-integrated solar collector under development at the University of

      Waikato (UoW).

      It was found that of these technologies, both flat plate and evacuated tubes with CPC reflectors could make useful heating and cooling contributions. Furthermore, the solar fraction was determined mainly by the collector area to storage volume ratio. Finally, it was found that the UoW building-integrated solar collector could make a significant contribution to energy use in dairies and may be an attractive future technology for the industry.
      Date
      2007
      Type
      Journal Article
      Publisher
      Institution of Professional Engineers New Zealand (online)
      Rights
      This article has been published in the journal: IPENZ engineering.
      Collections
      • Science and Engineering Papers [3121]
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