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Cold warehouses are relatively high energy consuming systems, and their construction are growing. In the design of these buildings, the choice of the insulation thickness is an important factor that affects the owning and operating costs. In practice, it is common to use heat flux density values or R-values given in the technical literatures. These values seem to neglect the possible effects of parameters...
Specific measures to implement building energy-saving on wall are proposed by comparing the common wall energy-saving technologies and their characteristics at present, analyzing and calculating building energy-saving designs. This further pushes forward the effective improvement of application of building energy-saving measures in wall.
The solution of accumulating and keeping the heat in the walls is through insulating from the outside, a common method used in Europe although it hadn't been confirmed on the physical basis, in regards with the conditions of continental climate, may it be in winter or in summer. In effect, during summer season part of the heat gets inside despite the insulations in the walls and over the night the...
The outer surface of external wall with lightweight thermal insulating layer is easily destructed when a building is in service. In this paper, the basic destructive forms are sorted out, such as surface cracking, hollowing, shedding. And the correlating factors which cause different fractures have also been discussed. By the survey and analyses, the lack of mechanical design, improper application...
Space heating accounts for the greatest energy consumption in cold regions of China. Proper application of thermal insulation is one of the most effective energy conservation measures for residential buildings. Therefore, determining and selecting the optimum thickness of insulation is important not only for the environment but also for the energy costs. In this paper, a mathematical model demonstrating...
Wall insulation is one of the commonly used energy-saving measures. But many factors, such as climate, building type and indoor heat gain, have great influence on the effectiveness of building insulation. In this paper, the influence of thickness of building insulation layer on the building HVAC energy consumption has been analyzed for three different indoor heat gain, 20, 50, 80 W/m2, for an office...
Mineral wool is among the commonly used conductive insulation material for building insulation. Studies on insulated building envelope in temperate climate have shown potential energy savings towards attaining energy efficient buildings and sustainable built environment. To date, there is no empirical data on the benefits of insulated building envelope in warm humid tropical climate. Such data would...
Since the Kyoto Protocol signed in December 1997, the majority of governments around the world have committed themselves to reducing the emission of the greenhouse gases. Thus, efficient use of energy and sustainability has become a key issue for the most energy policies. It is known that cooling energy demand of a building can play an important part in building total energy consumption. In addition,...
In order to research energy-saving transform of public building, six the large and medium-scale emporiums in Handan were selected as object. On the basis of investigation into typical department emporium, set an elementary model of emporium building, made out the four different transform program to improve heat preservation of exterior wall, such as used double-layer window and added heat insulation...
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