A Study On The Low Carhon Development Of Residential Building In Jilin City Based On LEAP Model

Since global climate change has seriously threatened the human sustainable development, greenhouse gas emissions is imperative worldwide. Related data shows that industrial, transportation and construction are the three key areas of national energy consumption. At present, our country is in the period of rapid urbanization that urban construction promotes the rapid development of the construction industry, but 95% of our country's new buildings are energy-intensive architecture, building energy consumption will continue to increase, energy consumption ratio will rise. This gives a lot of pressure to energy saving and emission reduction for China, hence, it is imperative for the building field to do the low carbon transformation.The article, using Jilin city as an example, has established a LEAP-Jilin data frame structure based on the model LEAP, the paper takes 2007 as a base years and 2030 as goal, sets two scenarios (benchmark scene and policy scene). The text uses LEAP model to analyze and forecast the urban residential energy consumption quantity and the carbon dioxide emissions in different situations by 2030 in Jilin city, analyzing the policy measures'rationality and feasibility in different situations, comparatively analyzing the energy demand change and CO2 emissions change between the reference scenario and the policy scenario, and finally the putting forward scheme design and the countermeasures of low carbon residential building development of Jilin.The research scope of this article is urban residential buildings which belong to civil architecture. Building energy consumption is referred to building operation maintenance energy dissipation. Statistics of building energy consumption are mainly from the building operation such as the heating, cooking, hot water, refrigerator, air conditioner, lighting and other household appliances aspects statistics. In the two cases of base scene and policy scenarios, urban residential building energy demand in Jilin city shows ascendant trend while in policy scenario, ascendant trend slows down: by 2030, The final two scenarios energy demand differences can reach 19.68 thousands tce, accounted for the total energy demand of the benchmark situation's 12.47% of that year. The CO2 emissions which correspond to energy consumption of urban resident building in Jilin city are on the rise,while in the policy scenario. ascendant trend slows down; by 2030, the CO2 reduction of policy scene will reduce by 14.63% than that of benchmark scene.Residential construction energy demand is volatile because of the influence of various factors, such as the policy implementation, energy technology progress and energy structure adjustment. In the policy scenario, government guide consumer tend to consume more convenient, cleaner and more energy saving energy through adjusting the energy structure and energy saving system reform, technological progress, economic incentives and other policies. And government implement incentive policy encourages citizens to buy energy-efficient appliances products, make energy demand and carbon emissions growth slowing significantly. Policy scene is an idealistic scene, and the promulgation and implementation of the policies were able to smoothly. Building energy efficiency and CO2 emissions will get good effect. By 2030 when the urbanization and economic development of Jilin city have reached a certain degree, the government's policy formulation and implementation have an important influence on the future energy consumption and carbon emissions.Based on this, the author proposed a design scheme on low carbon development of residential building field in Jilin, mainly from the following several aspects: Heating system upgrading; Enhance building energy efficiency standards; Cooking energy supply structure adjustment; Increase the popularity of solar energy water heater; Energy efficiency label and energy saving appliances authentication. Finally we summarize the development policy suggestions of housing construction. Through the work mentioned above, this paper would like to provide the theory basis and references for low carbon transformation of urban residential building in Jilin.