Development of solar thermal technologies in China

R.Z. Wang and X.Q. Zhai

Energy, 2010, vol. 35, issue 11, 4407-4416

Abstract: Solar energy is receiving much more attention in building energy systems in recent years. Solar thermal utilization should be based on integration of solar collectors into buildings. The facades of buildings can be important solar collectors, and, therefore, become multifunctional. In addition, solar collectors can be used to enhance the appearance of the facade when considering their aesthetic compatibility. Currently, installation of collectors on the south tilted roofs, south walls, balconies or awnings of buildings are the feasible approaches for integration of solar collectors into buildings. The most well known solar energy demonstration projects in China are introduced in this paper, which cover different integrated approaches, and solar heating and cooling systems. In China's cities, the process of rebuilding apartment roofs from flat to inclined offers the ideal opportunity to carry out solar renovation in combination with roof-integrated collectors. It can be seen from the demonstration projects over the last twenty years, that, solar cooling systems were mainly used in public buildings for either absorption or adsorption. Besides, nearly all solar cooling systems are multifunctional. They have been used to supply heating and hot water in other seasons for the purpose of high solar fraction. In the 11th Five-year research project (duration 2006–2010), the government has encouraged solar energy researchers to study, develop, and break through the key technologies involved in the integration of solar thermal technologies with buildings.

Keywords: Solar energy; Development; Integrated approach; Integrated energy system (search for similar items in EconPapers)
Date: 2010
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (28)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:35:y:2010:i:11:p:4407-4416

DOI: 10.1016/j.energy.2009.04.005

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