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《Journal of Jilin Institute Architectural & Civil Engineering》 2009-01
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Evaluation on Implementing Effects of Dispersion Energy System into Residential Building in Changchun

CUI Jin-dan,JING Ling,WEI Xin-dong(School of Municipal and Environment Engineering,Jilin Institute of Architecture and Civil Engineering,Changchun,China 130021)  
This paper discusses the usability of dispersion energy system in residential building and its evaluation effects by selecting Changchun,which is one of the provincial capitals in Northeast China,as a model.Firstly,the energy consumption intensity of Changchun is figured out by using the energy consumption intensity of Tokyo and the degree day ratio between Changchun and Tokyo.Secondly,this paper uses the surface area of architecture to calculate energy requirement(heat and electricity) in new project district.Finally,fi ve different cases of energy supply systems are set up.These systems mainly utilize CGS(CO-generation system),solar system,make-up boiler system and utility electricity to supply heat loads and electricity loads.These five cases all have a certain level of effects on environment,energy saving,economic benefit.Despite there are disadvantages,the favorable system will save up to 78.8% of energy,reduce 57.2% of operating cost,and also reduce 40.1% of intensity of CO2 emission compare to the conventional energy system.The cost can be paid back in 9 years.
【CateGory Index】: TU241;TU201.5
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