既有高層住宅建筑能耗動態(tài)模擬及節(jié)能改造研究
本文選題:被動式房屋 + 高層住宅建筑; 參考:《廣西大學》2017年碩士論文
【摘要】:在我國,建筑總能耗在社會能耗中所占的比例已達到近三分之一,建筑業(yè)造成的大量能源消耗和二氧化碳排放已成為無法忽視的問題,實現(xiàn)建筑行業(yè)的節(jié)能減排已經(jīng)勢在必行。其中住宅建筑用能巨大,減少居住建筑能耗對我國的建筑節(jié)能工作的意義重大。本文選取地處寒冷地區(qū)的山東省濟寧市某高層住宅建筑為研究對象,嘗試通過對建筑進行節(jié)能改造的方式改善建筑的熱工性能,進而實現(xiàn)減少建筑能耗的效果。通過實地調(diào)研獲取建筑的實際結構參數(shù)和部分能耗數(shù)據(jù),運用DesignBuilder能耗模擬軟件建立建筑基礎模型,模擬計算并分析其運行能耗,深入分析該建筑實際存在的能耗問題。分別選取我國現(xiàn)行的建筑節(jié)能設計標準和德國被動式房屋節(jié)能設計規(guī)劃標準,結合研究建筑的實際情況,設計合適的節(jié)能改造措施及方案,并模擬計算經(jīng)過節(jié)能改造后的建筑能耗,分析改造方案的節(jié)能效果。最后從節(jié)能性和經(jīng)濟性兩個方面綜合分析評估以被動式房屋為標準的節(jié)能改造方案現(xiàn)實可行性和長遠經(jīng)濟效益。模擬結果表明,運用基于我國現(xiàn)行65%節(jié)能標準的節(jié)能改造方案對建筑進行改造后,建筑總運行能耗降低了 52.7%,其中采暖能耗降低了 66.8%,空調(diào)制冷能耗降低了 1.7%,全年運行能耗共減少了 767846 kWh。以被動式房屋為標準對建筑進行改造后,建筑總運行能耗降低了 78.9%,其中采暖能耗降低了 96%,制冷能耗降低了 8.7%,全年運行能耗共減少1147957 kWh,該節(jié)能改造方案靜態(tài)投資回收期為19年,該建筑剩余的24年使用壽命周期為收益期,在節(jié)能效果和經(jīng)濟性兩個方面都具有現(xiàn)實可行性。本課題首次基于被動式房屋節(jié)能標準,以我國寒冷地區(qū)既有高層住宅建筑為研究對象運用DesignBuilder建筑能耗模擬軟件進行節(jié)能改造研究,為此類住宅建筑的節(jié)能改造提供了可以參考的案例。
[Abstract]:In China, the proportion of total building energy consumption in the social energy consumption has reached nearly 1/3. The energy consumption and carbon dioxide emissions caused by the construction industry have become a problem that can not be ignored. It is imperative to realize energy saving and emission reduction in the construction industry. The energy consumption of residential buildings is huge, and it is of great significance to reduce the energy consumption of residential buildings in our country. In this paper, a high-rise residential building in Jining City, Shandong Province, is chosen as the research object, and the thermal performance of the building is improved by the way of energy saving transformation, and the effect of reducing building energy consumption is realized. The actual structure parameters and partial energy consumption data of the building were obtained by field investigation. The building foundation model was established by using DesignBuilder energy consumption simulation software, and its running energy consumption was simulated and analyzed, and the actual energy consumption problem of the building was deeply analyzed. Select the current building energy saving design standard of our country and passive house energy saving design planning standard of Germany separately, combine the actual situation of the research building, design the suitable energy saving reform measure and plan, The energy consumption of the building after energy-saving reconstruction is simulated and calculated, and the energy-saving effect of the retrofit scheme is analyzed. Finally, the feasibility and long-term economic benefit of the energy-saving reconstruction scheme based on passive housing are analyzed and evaluated comprehensively from the aspects of energy saving and economy. The simulation results show that the energy saving reconstruction scheme based on the present 65% energy saving standard of our country is used to reconstruct the building. The total operating energy consumption of the building has been reduced by 52.7 percent, in which heating energy consumption has been reduced by 66.8 percent, air conditioning and refrigeration energy consumption has been reduced by 1.7kWhs, and the annual operation energy consumption has been reduced by 767846 kWhs. After the building has been renovated according to the standard of passive housing, The total operating energy consumption of the building has been reduced by 78.9 percent, of which heating energy consumption has been reduced by 96, refrigeration energy consumption has been reduced by 8.7 percent, and the annual operating energy consumption has been reduced by a total of 1147957 kWhs.The static investment payback period of the energy-saving renovation scheme is 19 years. The remaining 24-year life cycle of the building is a profit period, which is feasible in both energy saving and economy aspects. For the first time, based on the passive building energy saving standard, this paper takes the existing high-rise residential buildings in cold regions of our country as the research object and uses the DesignBuilder building energy consumption simulation software to carry on the energy saving transformation research. It provides a reference case for the energy saving reconstruction of this kind of residential building.
【學位授予單位】:廣西大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TU241.8;TU111.195
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