| Energy is one of the most important material bases in development and survival of human society, the precondition of reducing environmental pollution and balancing between energy supply and demand is the utilization of renewable energy. Changsha city, as a typical city with little energy resource, is necessary and urgent to develop renewable energy because of its rapid growth of building energy. So there is very important practical significance popularizing and applying renewable energy in buildings.By consulting lots of reference, the information of 20 years'global radiation and hydrogeology with former exploration is collected, and projects of renewable energy applications in the construction in Changsha are investigated as well, the existing resource status and distribution of solar energy and shallow geothermal energy resources is evaluated and analyzed, and potential of renewable energy applications in buildings is also discussed.Base on the spot investigation, the status of projects and related industries of renewable energy applications in buildings in Changsha are statistically analyzed, and the existing problems and characteristics of projects are discovered, which provides the theoretical reference for the future development. And the typical case of solar energy applications in the construction was set up to show the benefits of environment, economy and society, this has important meanings for the two types of social construction in Changsha.At last, according to the practical situation, some feasible suggestions aiming at Changsha renewable energy applications in the construction development are put forward, and the main development fields and development goal during 2010 and 2015 year for the renewable energy applications in buildings of Changsha are preliminarily planned, and that will promote the development of the renewable energy applications in buildings of Changsha, and provides the reference for saving routine energy in buildings. |
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