重庆地区某建筑不同内遮阳调控策略节能效果分析
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摘要
建筑内遮阳,可以降低室内平均温度,遮挡太阳辐射,降低室内空调能耗。只有研究不同内遮阳方式和不同控制策略下的节能效果,才能更好地选择遮阳产品和控制遮光角度。该文采用金属百叶帘、布艺帘和卷帘三类内遮阳产品,选取九种不同遮阳调控策略,通过测量室内外逐时温度、墙内外壁逐时温度、玻璃内外壁逐时温度等,计算逐时温差,研究内遮阳对室内热环境变化的影响。通过比较计算,得出布艺帘全闭和卷帘全闭是最优的遮阳策略,全天平均温差高达1℃左右;布艺帘全闭策略节能率最高,达到11.3%,卷帘全闭策略次之,而百叶90°节能率最低,仅有3.6%。
Building internal shading can reduce the average indoor temperature, shut down solar radiation, and lower indoor air conditioning energy consumption. We can better choose the sun shading products and control shading angle only by studying the energy saving effect under different internal shading methods and different control strategies. In this paper, three types of internal shading products-metal venetian blind, fabric blind and roller blind, plus nine different shading control strategies, are adopted to study the effect of internal shading on the indoor thermal environment variation by measuring the hourly temperatures of interior and exterior room, of interior and exterior wall and of interior and exterior glass and then calculating the hourly temperature differences. By comparing the calculation results, it's found that the full-closed fabric blind and full-closed roller blind are optimal strategies, the average all-day temperature difference being up to 1℃; the full-closed fabric blind strategy has the highest energy saving rate of 11.3%, followed by the full-closed roller blind; and the venetian blind shows the lowest energy saving rate of only 3.6%.
Building internal shading can reduce the average indoor temperature, shut down solar radiation, and lower indoor air conditioning energy consumption. We can better choose the sun shading products and control shading angle only by studying the energy saving effect under different internal shading methods and different control strategies. In this paper, three types of internal shading products-metal venetian blind, fabric blind and roller blind, plus nine different shading control strategies, are adopted to study the effect of internal shading on the indoor thermal environment variation by measuring the hourly temperatures of interior and exterior room, of interior and exterior wall and of interior and exterior glass and then calculating the hourly temperature differences. By comparing the calculation results, it's found that the full-closed fabric blind and full-closed roller blind are optimal strategies, the average all-day temperature difference being up to 1℃; the full-closed fabric blind strategy has the highest energy saving rate of 11.3%, followed by the full-closed roller blind; and the venetian blind shows the lowest energy saving rate of only 3.6%.
引文
[1]王剑平,丁云飞,苏浩,等.建筑中庭玻璃屋面内遮阳对室内环境影响分析[J].建筑节能,2016,44(8):60-64.
[2]刘庆军,徐晓宁,李巧,等.内遮阳加屋顶排风对中庭热环境的影响效果分析[J].建筑节能,2015,43(8):44-47.
[3]丁勇,连大旗,李百战,等.外窗内遮阳对室内环境影响的测试分析[J].土木建筑与环境工程,2011,33(5):108-113.
[4]王欢,曹馨雅,陈婷,等.内外遮阳及建筑外窗对空调负荷的影响[J].建筑节能,2009,37(12):27-30.
[5]李峥嵘,赵群,展磊.建筑遮阳与节能[M].北京:中国建筑工业出版社,2008:86-88.
[6]李隽永.建筑设计中的室内光环境控制[J].四川建材,2008(4):67-69.
[7]Ramkishore Singh,I.J.Lazarus,V.V.N.Kishore.Effect of internal woven roller shade and glazing on the energy and daylighting performances of an office building in the cold climate of Shillong[J].Applied Energy,2015(9):317-333.
[8]赵少卿,庄春龙,刘亚娇,等.基于动态采光评价的内遮阳调控策略分析[J].建筑节能,2015,43(12):68-71.
[9]Tzempelikos A,Shen H.Comparative control strategies for roller shades with respect to daylighting and energy performance[J].Building and Environment,2013,67(5):179-192.
[10]吉林省卫生防疫站.GB/T 18204 13-2000公共场所空气温度测定方法[S].北京:中国标准出版社,2001.
[2]刘庆军,徐晓宁,李巧,等.内遮阳加屋顶排风对中庭热环境的影响效果分析[J].建筑节能,2015,43(8):44-47.
[3]丁勇,连大旗,李百战,等.外窗内遮阳对室内环境影响的测试分析[J].土木建筑与环境工程,2011,33(5):108-113.
[4]王欢,曹馨雅,陈婷,等.内外遮阳及建筑外窗对空调负荷的影响[J].建筑节能,2009,37(12):27-30.
[5]李峥嵘,赵群,展磊.建筑遮阳与节能[M].北京:中国建筑工业出版社,2008:86-88.
[6]李隽永.建筑设计中的室内光环境控制[J].四川建材,2008(4):67-69.
[7]Ramkishore Singh,I.J.Lazarus,V.V.N.Kishore.Effect of internal woven roller shade and glazing on the energy and daylighting performances of an office building in the cold climate of Shillong[J].Applied Energy,2015(9):317-333.
[8]赵少卿,庄春龙,刘亚娇,等.基于动态采光评价的内遮阳调控策略分析[J].建筑节能,2015,43(12):68-71.
[9]Tzempelikos A,Shen H.Comparative control strategies for roller shades with respect to daylighting and energy performance[J].Building and Environment,2013,67(5):179-192.
[10]吉林省卫生防疫站.GB/T 18204 13-2000公共场所空气温度测定方法[S].北京:中国标准出版社,2001.