Energy Saving Research And Practice On Residential Building In Hot-summer And Cold-winter Area

The study belongs to the national science and technology supported planning project(2006BAF02A29),at the same time, by wuhan office of the wall energy-saving reform commissioned, our team study on residential building energy-saving in hot-summer-and-cold-winter area.Use the procedure of calculation and simulation methods, to analyze Major factor in the impact of residential energy consumption in this area.put forward a set of energy conservation design ways of residential building adopting for this area based on analysis results. In addition, offers energy conservation reformaiton model for overseas-student building of WHUT. to provide reference on building energy conservation in this area. The main characteristics and research conclusions concluded as following:1. I present simulation results using energe consuming simulation softerware of residential building DOE2IN. Then analyzing the results by using several methods, such as binary linera analysis, I present energy conservation design ways based on analysis.2. Assumption that other factors remain unchanged,analyzing the impact of direction on residential building energy consumption,obtained that When the building was drawn towards the south, the residential energy consumption to achieve the minimum.3. Simulate and analyze Coefficient of different forms of residential Energy consumption, The results showed that the smaller form factor of residential construction have more energy-efficient, and proposed a lower coefficient of domestic physical approach.4. Exterior insulation thickness should not exceed 50mm, under the premise of meeting the strength requirements, choice should be aerated concrete as the main wall.5. Outside the window is a major part of building energy conservation in hot summer and cold winter areas , analyze the impact of different direction and Window wall ratio to the residential energy consumption; Comprehensive analysis of the the impact of heat transfer coefficient of windows and shading coefficient of windows to the residential energy consumption, The results showed that must choose Activities outside the sun-like6. Affected by the analysis of energy conservation of the outside window , the project team developed a new energy-saving outside window. The total energy-saving rate of this outside window is 22 percent, reaching the leading domestic level.7. Do energy conservation reformaiton model for overseas-student building of WHUT. Theoretical analysis shows that transformed building's air-conditioning energy saving rate reach 62 percent, energy-saving rate reach 46%, The actual test results show that when the room heating in winter ,temperature rise faster and decline slower than the average temperature, average temperature have 1℃higher than the fundamental transformation of the women's dormitory;which plays a modeling role in engineering energy conservation for the whole hot-summer-and -cold-winter area.The simulation results are consistent with those of other field research. The changes of results are also consistent with theoretical analysis.