In the summer of 2010, we performed some on-site measurements to investigate the outdoor air temperature and wind velocity of Happy Homeland, a typical post-earthquake transition settlement of Sichuan. With the results of the measurements we found some problems in the existing planning and design of the settlements and proposed improvement which can make the transition settlements have larger volume fraction and better ventilation environment. The CFD simulation results show that the improvement can enhance the outdoor wind velocity by 19.4% and 16.7% respectively, and can raise the air changes per hour by 44.4% and 63.7% respectively, compared with the present condition.
Energy saving and low carbon footprint are becoming key issues in recent architectural design. It's necessary to develop new materials and new building forms for this purpose. After introducing some famous model projects appling ETFT air pillows, this paper lists major physical properties of this new product and puts forward some design measures such as passive solar heating, great span structure system, natural lighting and cavity ventilation for energy saving and low carbon footprint buildings.
The energy-saving reconstruction for the existing building is very important for the large number of existing buildings in China. The energy-saving reconstruction in the roof is the key of the building energy-saving construction, and also the inevitable way for improving the urban heat island effect and comfort of the top-floor rooms. The energy-saving roof can be divided into two types including passive cooling and proactive cooling. This article analyzes the advantages and disadvantages of the two types before coming up with the ways and expectation for the energy-saving construction of the existing building roof.
In the southwest region of Shandong province, villagers spontaneously adopt various ways to resist the cold climate in winter. In this paper, first we selected three typical rural residences in the region as case buildings. The three residences respectively use different heating ways for better indoor thermal environment, honeycomb briquette, Kang and furnable-heating. Then, we measured and compared the heat and moisture parameters of indoor and outdoor environment of the three residences. Finally, with the results of measurement and comparison, we proposed some methods to improve indoor thermal environment of rural residences, and economical ways of heating to enhance quality of villagers life, and provide technical support for new rural construction.
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