In China, rural residential environment under the poor construction measures has not been satisfactory due to the backward infrastructure of countryside and the lacking of professional planning, which will result in c...In China, rural residential environment under the poor construction measures has not been satisfactory due to the backward infrastructure of countryside and the lacking of professional planning, which will result in considerable amount of energy consumption in the future. The economy of rural residences in the hot summer and cold winter region of China is relative developed, but the indoor thermal environmental quality is not so good. In this paper, the design strategies directed by passive design ideas for a small experimental rural residential building located in Hangzhou city was introduced and researched in response to hot summer and cold winter climate. Through modeling solution undertaken by Ecotect software, the building performance was simulated and analyzed for the optimization of design factors, such as shape, roof angle, insulation system, shading devices, as well as day-lighting system. Based on the above study, a set of appropriate energy-saving technologies were provided for improving the new rural residences construction in Hangzhou, which should also be recommended to other projects constructed in the same climate region.展开更多
This paper investigated the applicability and effects of infrared reflective coating on energy consumption of factory building in hot summer and warm winter zone.It first resorted to theoretical calculation,which demo...This paper investigated the applicability and effects of infrared reflective coating on energy consumption of factory building in hot summer and warm winter zone.It first resorted to theoretical calculation,which demonstrated the beneficial effects of infrared reflective coating on reducing building energy consumption.Then it analyzed a field measurement done on two identical rooms respectively with ordinary coated roof and infrared reflective coated roof from November 2006 to October 2007,on a 24h basis.The measured data include exterior and interior roof surface temperature,indoor air temperature,and indoor globe temperature.The related weather data is from a weather station near the measured area.The continuous measurement has been accomplished in southern China,and the measured data indicate that roof surface temperature and heat gain are significantly decreased in summer while slight negative effects in winter are induced by adopting infrared reflective coating.Thus it is simple and applicable to reduce building energy consumption in this area by applying infrared reflective coating.Regress equation between reduced roof thermal property,such as surface temperature and heat gain,and reduction in absorbed solar radiation shows their highly linear relationship.Based on the measured data,it is estimated that the reduced power consumption is 3.45 kWh/m2·month in June.展开更多
文摘In China, rural residential environment under the poor construction measures has not been satisfactory due to the backward infrastructure of countryside and the lacking of professional planning, which will result in considerable amount of energy consumption in the future. The economy of rural residences in the hot summer and cold winter region of China is relative developed, but the indoor thermal environmental quality is not so good. In this paper, the design strategies directed by passive design ideas for a small experimental rural residential building located in Hangzhou city was introduced and researched in response to hot summer and cold winter climate. Through modeling solution undertaken by Ecotect software, the building performance was simulated and analyzed for the optimization of design factors, such as shape, roof angle, insulation system, shading devices, as well as day-lighting system. Based on the above study, a set of appropriate energy-saving technologies were provided for improving the new rural residences construction in Hangzhou, which should also be recommended to other projects constructed in the same climate region.
文摘This paper investigated the applicability and effects of infrared reflective coating on energy consumption of factory building in hot summer and warm winter zone.It first resorted to theoretical calculation,which demonstrated the beneficial effects of infrared reflective coating on reducing building energy consumption.Then it analyzed a field measurement done on two identical rooms respectively with ordinary coated roof and infrared reflective coated roof from November 2006 to October 2007,on a 24h basis.The measured data include exterior and interior roof surface temperature,indoor air temperature,and indoor globe temperature.The related weather data is from a weather station near the measured area.The continuous measurement has been accomplished in southern China,and the measured data indicate that roof surface temperature and heat gain are significantly decreased in summer while slight negative effects in winter are induced by adopting infrared reflective coating.Thus it is simple and applicable to reduce building energy consumption in this area by applying infrared reflective coating.Regress equation between reduced roof thermal property,such as surface temperature and heat gain,and reduction in absorbed solar radiation shows their highly linear relationship.Based on the measured data,it is estimated that the reduced power consumption is 3.45 kWh/m2·month in June.
