陈滨介绍建筑节能

1、1Dalian University of Technology, ChinaPlanning method for energy efficiency residential building in ChinaBin Chen, Ph.D.Professor, Dalian University of Technology, ChinaPinkafeld, Austria, 2021, Nov.2008Chao Chen, Ph.DProfessor, Bejing University of Technology, China2Dalian University of Technology

2、, ChinaOutline What is chinese people favorite indoor environment? What are conventional control methods for indoor climate? In city area (southern、northern） In rural area (southern、northern） Design standard for energy efficiency of residential building in China What is future planning methods suit

3、for sustainable residential building in China3Dalian University of Technology, ChinaHot summer & cold winterHot summer & warm winterMildSevere coldSevere coldColdColdColdSevere coldClimatic zones in ChinaDepartment of Construction of China: Thermal Design Code of Civil Buildings GB50176-934D

4、alian University of Technology, ChinaSevere cold areaAverage temp. the coldest month:10Mainly heatingCold areaAverage temp.the coldest month:10 0 Mainly heatingSometime coolingHot summer & cold winter areaAverage temp. :the coldest month: 010 ;the hottest month:2530 Heating and coolingHot summer

5、 & warm winter areaAverage temp. :the coldest month: 10 ;the hottest month: 2530 Mainly coolingMild areaAverage temp. :the coldest month: 013 ; the hottest month: 1825 Comfortable around a year5Dalian University of Technology, ChinaDistrict Heating areas 返回该图博文 dampnessDampness and cold non dist

6、rict heating area6Dalian University of Technology, ChinaWinterIndoor air temperature: 16 25 Indoor relative Humidity: 10%35%Indoor air temperature: 0 10 Indoor relative Humidity: 40%80%In severe cold or cold areasIn hot summer and cold winter areasFor persons lived in severe cold area:If indoor air

7、temperature 16, feel cold! For persons lived in hot summer and cold winter area:If indoor RH 40%, feel too dry to tolerate!Favorite air change rather than high airtight 7Dalian University of Technology, ChinaSummerIndoor air temperature: 25 33 Indoor relative Humidity: 30%60%Indoor air temperature:

8、30 39Indoor relative Humidity: 40%80%In severe cold or cold areasIn hot summer and cold winter areasFor persons lived in severe cold area:If indoor air temperature 30, feel hot! For persons lived in hot summer and cold winter area:If indoor air temperature 37 , feel too sultry to tolerate! 8Dalian U

9、niversity of Technology, China What is chinese people favorite indoor environment? What are conventional control methods for indoor climate in residential buildings? In city area (southern、northern） In rural area (southern、northern） Design standard for energy efficiency of residential building in Ch

10、ina What is future planning methods suit for sustainable residential building in China9Dalian University of Technology, ChinaIn city areaIn rural areaSummer Air conditioner Natural ventilation Natural ventilation10Dalian University of Technology, ChinaDistrict heatingLocal heatingWinterIn city areaY

11、aodong(cave)Chinease KangStoveIn rural area11Dalian University of Technology, ChinaEnergy consumption in buildings of China The proportion of different energy consumption in China in 1999Status of Building Energy Consumption in China Heating and cooling energy consumption constitutes 65% of total bu

12、ilding energy use in China12Dalian University of Technology, China What is chinese people favorite indoor environment? What are conventional control methods for indoor climate? In city area (southern, northern） In rural area (southern,northern） Design standard for energy efficiency of residential bu

13、ilding in China What is future planning methods suit for sustainable residential building in China13Dalian University of Technology, ChinaHot summer and cold winterHot summer & warm winterTemperateSevere coldSevere coldColdColdColdSevere coldDesign standard for energy efficiency of new building

14、in different climatic areas14Dalian University of Technology, Chinap There is a strong need to reduce the excessive building energy use and improve indoor environmental quality.p Need to pay special attention on improving the overall efficiency of the heating in northern China. p We must find sustai

15、nable solutions to satisfy the increasing need of higher living standard without repeating the paths of high energy consumption. p Implementing technologies in a region must take into account factors such as local economic level, resources, and climate conditions. p Technologies that violate the sus

16、tainable development principles should not be promoted.Object15Dalian University of Technology, China 1976 外墙0.35，窗户1.50，屋顶 0.25悬挑楼板 0.25，地下室楼板 0.40(节能规范EnEV2001)外墙1.39，双层玻璃，屋顶 0.90，悬挑楼板 0.51，地下室楼板 0.81（DIN4108）197719841995 2001 2006窗户3.5，外墙+窗户1.45，屋顶 0.45，悬挑楼板 0.45，地下室楼板 0.80（保温规范WSVO1977） 窗户3.5，外墙

17、+窗户1.45，屋顶 0.45， 悬挑楼板 0.45，地下室楼板 0.80 （保温规范WSVO1984） 外墙0.50，窗户keq0.70，屋顶 0.22， 悬挑楼板 0.22，地下室楼板 0.3 (保温规范WSVO1995) 外墙1.16，窗户4.70， 屋顶 0.80，悬挑楼板 0.50， 地下室楼板 0.55 (中国节能标准JGJ26-95(50%) 外墙0.50，窗户2.80， 屋顶 0.45，悬挑楼板 0.50，地下室楼板 0.55(地方居住建筑节能设计标准（辽宁） DB21/T1476(65%)GermanyChina Insulation1986 外墙1.16，窗户4.70， 屋

18、顶 0.80，悬挑楼板 0.50， 地下室楼板 0.55 (中国节能标准JGJ26-86(30%)Index of heat loss of building 14.97W/m2( (City：Beijing）（City：Wurzburg ）Insulation Efficiency equipment+InsulationIndex of heat loss of building 20.5W/m2Index of heat loss of building 25.3W/m2Index of heat loss of building 9.89W/m2Index of heat loss o

19、f building 10.88W/m2Index of heat loss of building 15.86W/m2Index of heat loss of building 19.70W/m2Index of heat loss of building 23.48W/m2Comparison of China and Germany two similar climate cities16Dalian University of Technology, China What is Chinese people favorite indoor environment? What are

20、conventional control methods for indoor climate? In city area (southern, northern） In rural area (southern, northern） Design standard for energy efficiency of residential building in China What is passive house model suit for sustainable residential building in China17Dalian University of Technology

21、, ChinaPassive house in Europe 300mm500mm insulation 3-pane low-e glazing Efficient heat recovery systemFresh air preheated“Passive house” in China 80mm120mm insulation Sealed insulating glass Solar air collector Thermal massCold area18Dalian University of Technology, ChinaMost of residential buildi

22、ng made of concrete in China, so there are plenty of thermal mass contributed to heat storage.19Dalian University of Technology, ChinaOngoing project “Investigation of optimal heat transport in residential buildings with facade integrated solar thermal collector” Project of National Natural Science Foundation