多孔調(diào)濕材料對室內(nèi)熱濕環(huán)境的影響
發(fā)布時間：2018-11-20 20:15
【摘要】：隨著世界能源危機的出現(xiàn),能源的供給與需求關(guān)系矛盾愈發(fā)明顯,各國紛紛提出節(jié)能減排的戰(zhàn)略方針。作為能源消耗的重要部分,建筑能耗對于節(jié)能減排的重要影響逐漸被更多人關(guān)注。同時,隨著我國經(jīng)濟的高速發(fā)展,人們也更多地追求更好的建筑環(huán)境,而這又會導(dǎo)致消耗更多的能源,這給整個建筑行業(yè)乃至全社會的節(jié)能減排帶來更大挑戰(zhàn)。作為被動式節(jié)能方式,多孔調(diào)濕材料因其對于建筑節(jié)能及建筑環(huán)境的重要影響進入人們視野。多孔調(diào)濕材料在室內(nèi)空氣相對濕度較高時會吸收空氣中的水蒸氣,降低室內(nèi)空氣相對濕度；而在室內(nèi)空氣相對濕度較低時,調(diào)濕材料又會將吸收的水蒸氣釋放到室內(nèi)空氣中,增加室內(nèi)空氣相對濕度。多孔調(diào)濕材料所具有的這種對室內(nèi)濕氣高吸低放的特性可以調(diào)節(jié)室內(nèi)空氣相對濕度,進而影響建筑的熱濕能耗。因此,研究多孔調(diào)濕材料的吸放濕特性對于改善建筑室內(nèi)熱濕環(huán)境及建筑節(jié)能具有重要意義。本文通過數(shù)值模擬及實驗研究兩種方法探究了多孔調(diào)濕材料對建筑室內(nèi)熱濕環(huán)境的影響。數(shù)值模擬部分主要分析了三種多孔調(diào)濕材料熱濕計算模型(熱濕空氣流動耦合模型-HAM、有效濕容模型-EC、有效濕滲透模型-EMPD)在不同空調(diào)系統(tǒng)、不同氣候條件下的能耗模擬準確性及適用性,進而分析了多孔調(diào)濕材料對住宅建筑(房間在夜間使用)空調(diào)系統(tǒng)能耗的影響。首先使用HAM-Tools軟件模擬了濕熱氣候下使用輻射式空調(diào)系統(tǒng)的住宅建筑中熱濕計算模型的能耗模擬準確性及適用性,隨后分析了多孔調(diào)濕材料在此種條件下對于住宅建筑能耗的影響及多孔調(diào)濕材料的在此種條件下的適用性。進而使用EnergyPlus軟件模擬了濕熱、溫和、干熱三種氣候條件下使用對流式空調(diào)系統(tǒng)的住宅建筑中多孔調(diào)濕材料不同熱濕計算模型的能耗模擬準確性及適用性,隨后分析了多孔調(diào)濕材料在三種氣候下對于住宅建筑能耗的影響及材料的適用性。實驗研究部分主要探究了多孔調(diào)濕材料濕緩沖現(xiàn)象及不同多孔調(diào)濕材料濕緩沖值(MBV)。主要制作了新型相變蓄能與硅藻泥混合材料、纖維硅藻泥材料,測量了該2種材料與其它3種常見多孔材料在熱濕氣候下的濕緩沖值,實驗針對環(huán)境溫度及相對濕度區(qū)間作了定量改變,以探究環(huán)境溫度及實驗中相對濕度區(qū)間對于多孔調(diào)濕材料濕緩沖值的影響。
[Abstract]:With the emergence of the world energy crisis, the contradiction between energy supply and demand becomes more and more obvious. As an important part of energy consumption, the important influence of building energy consumption on energy saving and emission reduction has been paid more and more attention. At the same time, with the rapid development of our country's economy, people also more pursue better construction environment, which will lead to the consumption of more energy, which will bring more challenges to the whole construction industry and even the whole society. As a passive energy saving method, porous humidification materials have come into view because of its important influence on building energy saving and building environment. When the relative humidity of indoor air is high, the porous humidifying material will absorb the water vapor in the air and reduce the relative humidity of indoor air. When the relative humidity of indoor air is low, the moisture adjusting material releases the absorbed water vapor into the indoor air and increases the relative humidity of indoor air. The characteristics of porous humidifying materials such as high absorption and low release of indoor moisture can adjust the relative humidity of indoor air and then affect the energy consumption of heat and humidity in buildings. Therefore, it is of great significance to study the moisture absorption and desorption characteristics of porous humidification materials for improving the indoor thermal and moisture environment and building energy conservation. In this paper, the effects of porous humidifying materials on the indoor thermal and wet environment are investigated by numerical simulation and experimental study. In the part of numerical simulation, three kinds of heat and humidity calculation models of porous humidifying materials (HAM, effective moisture capacity model-EC, effective wet permeable model-EMPD) are analyzed in different air conditioning systems. The accuracy and applicability of energy consumption simulation under different climatic conditions are analyzed. The effects of porous humidification materials on energy consumption of air conditioning system in residential buildings (rooms used at night) are analyzed. Firstly, HAM-Tools software is used to simulate the accuracy and applicability of heat and moisture calculation model in residential buildings using radiation air conditioning system in humid and hot climate. Then the influence of porous humidifying materials on the energy consumption of residential buildings and the applicability of porous humidifying materials under such conditions are analyzed. Furthermore, the simulation accuracy and applicability of different heat and humidity calculation models of porous humidification materials in residential buildings with flow air conditioning system are simulated by using EnergyPlus software under three kinds of climate conditions: humid heat, mild heat and dry heat. Then, the effects of porous humidification materials on energy consumption of residential buildings in three climates and the applicability of the materials are analyzed. In the part of experiment, the wet buffer phenomenon of porous humidifying materials and (MBV). Of different porous humidifying materials are studied. A new phase change energy storage and diatom mud mixed material, fiberdiatom mud, was made. The wet buffering values of these two materials and other three common porous materials in hot and wet climate were measured. In order to explore the effect of ambient temperature and relative humidity on the wet buffer value of porous humidifying materials, the environmental temperature and relative humidity range were quantitatively changed in order to explore the effect of environmental temperature and relative humidity range on the wet buffer value of porous humidifying materials.
【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】：2015
【分類號】：TU111.4;TU111.195
本文編號：2345888
[Abstract]:With the emergence of the world energy crisis, the contradiction between energy supply and demand becomes more and more obvious. As an important part of energy consumption, the important influence of building energy consumption on energy saving and emission reduction has been paid more and more attention. At the same time, with the rapid development of our country's economy, people also more pursue better construction environment, which will lead to the consumption of more energy, which will bring more challenges to the whole construction industry and even the whole society. As a passive energy saving method, porous humidification materials have come into view because of its important influence on building energy saving and building environment. When the relative humidity of indoor air is high, the porous humidifying material will absorb the water vapor in the air and reduce the relative humidity of indoor air. When the relative humidity of indoor air is low, the moisture adjusting material releases the absorbed water vapor into the indoor air and increases the relative humidity of indoor air. The characteristics of porous humidifying materials such as high absorption and low release of indoor moisture can adjust the relative humidity of indoor air and then affect the energy consumption of heat and humidity in buildings. Therefore, it is of great significance to study the moisture absorption and desorption characteristics of porous humidification materials for improving the indoor thermal and moisture environment and building energy conservation. In this paper, the effects of porous humidifying materials on the indoor thermal and wet environment are investigated by numerical simulation and experimental study. In the part of numerical simulation, three kinds of heat and humidity calculation models of porous humidifying materials (HAM, effective moisture capacity model-EC, effective wet permeable model-EMPD) are analyzed in different air conditioning systems. The accuracy and applicability of energy consumption simulation under different climatic conditions are analyzed. The effects of porous humidification materials on energy consumption of air conditioning system in residential buildings (rooms used at night) are analyzed. Firstly, HAM-Tools software is used to simulate the accuracy and applicability of heat and moisture calculation model in residential buildings using radiation air conditioning system in humid and hot climate. Then the influence of porous humidifying materials on the energy consumption of residential buildings and the applicability of porous humidifying materials under such conditions are analyzed. Furthermore, the simulation accuracy and applicability of different heat and humidity calculation models of porous humidification materials in residential buildings with flow air conditioning system are simulated by using EnergyPlus software under three kinds of climate conditions: humid heat, mild heat and dry heat. Then, the effects of porous humidification materials on energy consumption of residential buildings in three climates and the applicability of the materials are analyzed. In the part of experiment, the wet buffer phenomenon of porous humidifying materials and (MBV). Of different porous humidifying materials are studied. A new phase change energy storage and diatom mud mixed material, fiberdiatom mud, was made. The wet buffering values of these two materials and other three common porous materials in hot and wet climate were measured. In order to explore the effect of ambient temperature and relative humidity on the wet buffer value of porous humidifying materials, the environmental temperature and relative humidity range were quantitatively changed in order to explore the effect of environmental temperature and relative humidity range on the wet buffer value of porous humidifying materials.
【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】：2015
【分類號】：TU111.4;TU111.195
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相關(guān)碩士學(xué)位論文 前1條
1 楊駿;多孔調(diào)濕材料對室內(nèi)熱濕環(huán)境的影響[D];南京大學(xué);2015年
，本文編號：2345888
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