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Fundamental study of a thermal storage unit using light weight soil for a green roof building air-conditioning system.

Author(s) : OTAKA T.

Summary

The heat island or urban warming effect by the consumption of energy in a megalopolis would make better recognizing the importance of planting such as rooftop garden and efficient use of energy such as high efficiency building air-conditioning system. Accordingly, the author proposed a green roof building air-conditioning system using light weight soil as heat storage materials. Rooftop gardens as a thermal energy storage unit for high efficiency building air-conditioning system have received limited study. The author have designed and developed a prototype test unit of rooftop garden as a thermal energy storage unit using light weight soil such as formed phenolic resin or skin of coconut for a building air-conditioning system. The heat transfer characteristics and operating performance of this unit have been evaluated. As a result, the heat transfer characteristics of the test unit have been clarified with respect to design factors such as thermal diffusivity and apparent overall heat transfer coefficient. These results demonstrate that the green roof building air-conditioning system is one of the promising candidates as a new building air-conditioning system.

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Pages: pp. 422-425

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Details

  • Original title: Fundamental study of a thermal storage unit using light weight soil for a green roof building air-conditioning system.
  • Record ID : 2009-2483
  • Languages: English
  • Subject: Environment
  • Source: ACRA-2009. The proceedings of the 4th Asian conference on refrigeration and air conditioning: May 20-22, 2009, Taipei, R.O.C.
  • Publication date: 2009/05/20

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