本文關(guān)鍵詞：民用建筑圍護結(jié)構(gòu)熱濕特性及優(yōu)化設(shè)計研究　出處：《南京大學(xué)》2013年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 建筑圍護結(jié)構(gòu) 熱濕耦合傳遞 實驗研究 CHAMPS模擬 優(yōu)化設(shè)計

【摘要】：民用建筑的目的是為居民提供一個安全、健康、舒適的室內(nèi)環(huán)境。建筑外圍護結(jié)構(gòu)分隔建筑室內(nèi)外空間并對建筑能耗及維持良好的室內(nèi)環(huán)境有著重要作用。圍護結(jié)構(gòu)內(nèi)的熱濕傳遞對建筑圍護結(jié)構(gòu)的熱工性能、建筑整體能耗和室內(nèi)環(huán)境有著十分重要的影響。長江中下游地區(qū)是我國典型的夏熱冬冷區(qū),長期處于潮濕多雨的氣候條件下。圍護結(jié)構(gòu)內(nèi)部的濕傳遞與較大的氣溫變化相互耦合,是該地區(qū)建筑外圍護結(jié)構(gòu)內(nèi)部熱質(zhì)傳遞過程的一個突出特征,這種熱濕耦合傳遞是影響該地區(qū)的建筑圍護結(jié)構(gòu)熱工性能和建筑能耗及室內(nèi)空氣品質(zhì)的重要因素。由于圍護結(jié)構(gòu)材料多為多孔介質(zhì),多孔介質(zhì)內(nèi)熱濕傳遞機理的計算分析較為復(fù)雜,建筑師們在設(shè)計圍護結(jié)構(gòu)時通常依賴于經(jīng)驗,因此導(dǎo)致了種種的不合理情況發(fā)生。本文通過對建筑外圍護結(jié)構(gòu)熱濕傳遞國內(nèi)外研究的進展,熱濕傳遞對建筑整體性能的影響(其中包括熱濕傳遞對圍護結(jié)構(gòu)的熱工性能及建能耗的影響,熱濕傳遞對建筑室內(nèi)空氣品質(zhì)的影響)進行研究。利用南京大學(xué)建筑與城市規(guī)劃學(xué)院可持續(xù)建筑研究中心人工氣候?qū)嶒炇?搭建熱濕耦合傳遞實驗測試平臺,對四種建筑外圍護結(jié)構(gòu)材料的熱濕傳遞進行實驗研究,并結(jié)合熱濕傳遞模型軟件CHAMPS對四種材料熱濕傳遞進行模擬,將實驗結(jié)果和模擬結(jié)果進行對比驗證,確定了實驗和模擬的準(zhǔn)確性,為以后利用該實驗平臺和CHAMPS軟件對其他新型建筑材料的熱濕特性研究提供了方便。然后用CHAMPS軟件對南京大學(xué)某校園建筑的兩種不同墻體進行案例模擬研究。通過以上研究來探討民用建筑圍護結(jié)構(gòu)有關(guān)材料選擇和墻體構(gòu)造形式的優(yōu)化設(shè)計。
[Abstract]:Civil buildings are designed to provide residents with a safe and healthy environment. Comfortable indoor environment. The outer enclosure separates the indoor and outdoor space of the building and plays an important role in building energy consumption and maintaining a good indoor environment. The heat and moisture transfer in the enclosure structure has great effect on the thermal performance of the building enclosure. The whole building energy consumption and indoor environment have a very important influence. The middle and lower reaches of the Yangtze River is a typical hot summer and cold winter area in China. In the wet and rainy climate for a long time, the coupling between the moisture transfer inside the enclosure structure and the larger temperature change is a prominent feature of the heat and mass transfer process inside the outer envelope structure of the building in this area. This heat and humidity coupling transfer is an important factor that affects the thermal performance, building energy consumption and indoor air quality of the building envelope structure in this area, because the materials of the envelope structure are mostly porous media. The calculation and analysis of heat and moisture transfer mechanism in porous media is more complicated, and architects usually rely on experience in designing envelope structures. As a result, various unreasonable situations have occurred. This paper makes progress in the research of heat and moisture transfer of the outer enclosure structure at home and abroad. The influence of heat and moisture transfer on the overall performance of the building, including the influence of heat and moisture transfer on the thermal performance and building energy consumption of the enclosure structure. The effect of heat and moisture transfer on indoor air quality was studied. The artificial climate laboratory of sustainable building research center of Nanjing University was used to build the experimental test platform of heat and humidity coupling transfer. The heat and moisture transfer of four kinds of building envelope materials were studied experimentally, and the heat and humidity transfer of four materials were simulated with the heat and humidity transfer model software CHAMPS. The accuracy of the experiment and simulation is confirmed by comparing the experimental results with the simulation results. It is convenient to study the thermal and moisture properties of other new building materials by using this experimental platform and CHAMPS software. Then, two different walls of a campus building of Nanjing University are introduced by CHAMPS software. Through the above research, the selection of materials and the optimum design of wall structure are discussed.
【學(xué)位授予單位】：南京大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TU111.4
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本文編號：1372114