寒冷地区办公建筑围护结构低能耗设计策略研究
发布时间：2018-10-11 15:15
【摘要】：在当今资源能源短缺与环境危机的背景下,随着我国经济的发展和城市化进程的加快,建筑能耗在总能耗中所占比重持续增加,因此在我国推行建筑节能事业迫在眉睫且势在必行。我国公共建筑的能耗问题异常突出,虽然国家发布了一系列节能措施,但是公共建筑依然具有巨大的节能潜力。办公建筑是公共建筑中一种重要的建筑类型,降低办公建筑的能耗将在很大程度上减少公共建筑总能耗在我国建筑总能耗中所占的比重,进而推进我国建筑节能整体战略目标的步伐。因此研究办公建筑的节能问题,对于环境保护、能源节约、经济效益和社会可持续发展等,具有非常重大的意义。寒冷地区,其建筑能耗主要为冬季的采暖能耗,仅这一项就超过全国能耗平均数约27%,占地区总能耗的30%-40%,而寒冷地区建筑能耗的73%～77%是通过围护体系损失掉的,所以围护体系的节能设计至关重要,它关系到寒冷地区整个建筑的节能效益。北京市属于寒冷地区,不仅是我国首都,也是全国的政治中心,而且是人口的大量集会地和办公建筑集中的主要地区之一,办公建筑的发展速度异常迅猛。因此本文将北京市作为寒冷地区典型的城市,通过研究北京市办公建筑围护结构与建筑能耗的关系,总结寒冷地区办公建筑围护结构的低能耗设计策略。并通过实例验证低能耗设计策略的有效性。本文主要侧重使用能耗模拟分析软件DEST-c进行分析模拟。首先通过对北京市现有办公建筑进行调研,结合相关资料检索,参照《公共建筑节能设计标准》(GB50189-2005)和《北京市公共建筑节能设计标准》(DB11/687-2009),建立北京市办公建筑的典型模型。在总结寒冷地区办公建筑外窗、外墙、屋顶低能耗设计策略后,利用DEST-c能耗分析软件重点分析北京市办公建筑围护结构设计参数(窗墙比、外墙、外窗及屋顶的传热系数)与建筑能耗的关系。模拟不同围护结构设计参数对建筑采暖能耗、制冷能耗以及总建筑能耗的影响,得出北京市办公建筑不同外窗材料的适宜窗墙比范围、外墙和屋顶保温结构的适宜厚度,进而总结出寒冷地区办公建筑围护结构的低能耗设计策略。最后通过实例分析,验证寒冷地区办公建筑围护结构低能耗设计策略的实用性和有效性。希望通过本文的研究成果,为建筑师在进行寒冷地区办公项目的低能耗设计时,提供一定的参考,为我国的节能事业做出些许贡献。
[Abstract]:Under the background of resource and energy shortage and environmental crisis, with the development of economy and the acceleration of urbanization, the proportion of building energy consumption in total energy consumption is increasing. Therefore, the implementation of building energy conservation in China is urgent and imperative. The problem of energy consumption of public buildings in China is extremely prominent. Although the state has issued a series of energy-saving measures, public buildings still have huge energy saving potential. Office building is an important type of building in public buildings. Reducing the energy consumption of office buildings will greatly reduce the proportion of total energy consumption of public buildings in the total building energy consumption of our country. And then promote the pace of the overall strategic goal of building energy conservation in China. Therefore, it is of great significance for environmental protection, energy conservation, economic benefits and social sustainable development to study the energy conservation of office buildings. In cold areas, building energy consumption is mainly winter heating energy consumption. This item alone exceeds the national average of energy consumption by about 27 percent, accounting for 30-40 percent of the total energy consumption in the region, while 73 percent of the building energy consumption in cold areas is lost through the enclosure system. So the energy-saving design of enclosure system is very important, it is related to the energy-saving benefit of the whole building in cold area. Beijing is a cold region, not only the capital of our country, but also the political center of the whole country, and it is one of the main areas where a large number of meeting places and office buildings are concentrated. The development of office buildings is extremely rapid. Therefore, this paper regards Beijing as a typical city in cold area, and summarizes the low energy consumption design strategy of office building envelope structure in cold area by studying the relationship between the building energy consumption and the envelope structure of office building in Beijing. An example is given to verify the effectiveness of the design strategy. This paper focuses on the use of energy consumption simulation software DEST-c for analysis and simulation. Firstly, the typical model of Beijing office building is established by investigating the existing office buildings in Beijing, combining with the relevant information retrieval, referring to the Standard of Energy Saving Design of Public buildings (GB50189-2005) and the Standard of Energy Saving Design of Beijing Public buildings (DB11/687-2009). After summing up the low energy consumption design strategy of outer window, exterior wall and roof of office building in cold area, the design parameters of envelope structure of Beijing office building (window / wall ratio, external wall ratio) are analyzed with DEST-c energy consumption analysis software. The relationship between the heat transfer coefficient of windows and roofs and building energy consumption. By simulating the influence of different design parameters of enclosure structure on building heating energy consumption, refrigeration energy consumption and total building energy consumption, the suitable window wall ratio range of different outer window materials of Beijing office building and the suitable thickness of exterior wall and roof insulation structure are obtained. Then summarize the low energy consumption design strategy of office building envelope structure in cold area. Finally, the practicability and effectiveness of the low energy consumption design strategy of office building envelope in cold area are verified by the analysis of examples. It is hoped that through the research results of this paper, this paper will provide some references for architects in the design of low energy consumption for office projects in cold areas, and make some contributions to the cause of energy conservation in China.
【学位授予单位】：沈阳建筑大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TU201.5;TU111.48
[Abstract]:Under the background of resource and energy shortage and environmental crisis, with the development of economy and the acceleration of urbanization, the proportion of building energy consumption in total energy consumption is increasing. Therefore, the implementation of building energy conservation in China is urgent and imperative. The problem of energy consumption of public buildings in China is extremely prominent. Although the state has issued a series of energy-saving measures, public buildings still have huge energy saving potential. Office building is an important type of building in public buildings. Reducing the energy consumption of office buildings will greatly reduce the proportion of total energy consumption of public buildings in the total building energy consumption of our country. And then promote the pace of the overall strategic goal of building energy conservation in China. Therefore, it is of great significance for environmental protection, energy conservation, economic benefits and social sustainable development to study the energy conservation of office buildings. In cold areas, building energy consumption is mainly winter heating energy consumption. This item alone exceeds the national average of energy consumption by about 27 percent, accounting for 30-40 percent of the total energy consumption in the region, while 73 percent of the building energy consumption in cold areas is lost through the enclosure system. So the energy-saving design of enclosure system is very important, it is related to the energy-saving benefit of the whole building in cold area. Beijing is a cold region, not only the capital of our country, but also the political center of the whole country, and it is one of the main areas where a large number of meeting places and office buildings are concentrated. The development of office buildings is extremely rapid. Therefore, this paper regards Beijing as a typical city in cold area, and summarizes the low energy consumption design strategy of office building envelope structure in cold area by studying the relationship between the building energy consumption and the envelope structure of office building in Beijing. An example is given to verify the effectiveness of the design strategy. This paper focuses on the use of energy consumption simulation software DEST-c for analysis and simulation. Firstly, the typical model of Beijing office building is established by investigating the existing office buildings in Beijing, combining with the relevant information retrieval, referring to the Standard of Energy Saving Design of Public buildings (GB50189-2005) and the Standard of Energy Saving Design of Beijing Public buildings (DB11/687-2009). After summing up the low energy consumption design strategy of outer window, exterior wall and roof of office building in cold area, the design parameters of envelope structure of Beijing office building (window / wall ratio, external wall ratio) are analyzed with DEST-c energy consumption analysis software. The relationship between the heat transfer coefficient of windows and roofs and building energy consumption. By simulating the influence of different design parameters of enclosure structure on building heating energy consumption, refrigeration energy consumption and total building energy consumption, the suitable window wall ratio range of different outer window materials of Beijing office building and the suitable thickness of exterior wall and roof insulation structure are obtained. Then summarize the low energy consumption design strategy of office building envelope structure in cold area. Finally, the practicability and effectiveness of the low energy consumption design strategy of office building envelope in cold area are verified by the analysis of examples. It is hoped that through the research results of this paper, this paper will provide some references for architects in the design of low energy consumption for office projects in cold areas, and make some contributions to the cause of energy conservation in China.
【学位授予单位】：沈阳建筑大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TU201.5;TU111.48
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