木结构建筑外墙保温特性及热湿耦合传递技术的研究进展
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摘要
为了强化木结构建筑外围护墙体的节能设计工作,通过对国内外木结构建筑外墙保温及热湿性能的研究现状总结,介绍木结构建筑外墙保温最新成果,以及木结构建筑热湿耦合传递技术理论和数值模拟研究进展。通过总结前人研究经验,提出通过理论计算墙体传热系数、热惰性、蓄热系数、衰减倍数、延迟时间,建筑窗墙比,有效传热系数等参数,测试建筑外墙构件材料的基本参数、热物性参数和湿物性参数,为模拟分析提供有效的材性数据支撑;通过开展现场测量木结构建筑墙体在不同时期的传热系数,探索其不同时间段传热系数测定值与理论值的差异,实时监测木结构建筑外墙温度、湿度及含水率的变化,分析其随时间变化的趋势;利用WUFI 6.0软件模拟不同时期木结构建筑墙体的热湿耦合情况,实现准确、可靠地预测轻型木结构建筑墙体传热系数、温度、湿度和含水率等参数。
In order to improve the energy-saving design of external walls of timber structures, this paper summarizes the research status of thermal and hygrothermal performance of external walls of timber structures in China and overseas, introduces the latest achievements of thermal and hygrothermal performance of it, both with the advances in theoretical and numerical simulation of the thermal and hygrothermal performance. The paper also proposes theoretical calculation of wall heat transfer coefficient, thermal inertia, heat storage coefficient, attenuation multiple, delay time, window-to-wall ratio, effective heat transfer coefficient and other parameters; tests the basic parameters, thermal properties and wet property parameters to provide effective material data for simulation analysis; secondly, carrys out on-site measurement of heat transfer coefficient of timber structures wall at different periods, explores the measured values and theoretical values of heat transfer coefficient at different periods;Through real-time monitoring the changes in temperature, humidity and moisture content of external walls of timber structures, analysing its trend with time; using WUFI 6.0 software to simulate thermal and hygrothermal performance of timber structures in different periods, predict the trend of the heat transfer coefficient, temperature,humidity and moisture content of the timber structure walls accuratly and reliably.
In order to improve the energy-saving design of external walls of timber structures, this paper summarizes the research status of thermal and hygrothermal performance of external walls of timber structures in China and overseas, introduces the latest achievements of thermal and hygrothermal performance of it, both with the advances in theoretical and numerical simulation of the thermal and hygrothermal performance. The paper also proposes theoretical calculation of wall heat transfer coefficient, thermal inertia, heat storage coefficient, attenuation multiple, delay time, window-to-wall ratio, effective heat transfer coefficient and other parameters; tests the basic parameters, thermal properties and wet property parameters to provide effective material data for simulation analysis; secondly, carrys out on-site measurement of heat transfer coefficient of timber structures wall at different periods, explores the measured values and theoretical values of heat transfer coefficient at different periods;Through real-time monitoring the changes in temperature, humidity and moisture content of external walls of timber structures, analysing its trend with time; using WUFI 6.0 software to simulate thermal and hygrothermal performance of timber structures in different periods, predict the trend of the heat transfer coefficient, temperature,humidity and moisture content of the timber structure walls accuratly and reliably.
引文
[1]李霞.木结构建筑的特点及应用前景[J].林产工业,2008,35(5):10-13.
[2]袁东,王晓欢,费本华,等.中国发展现代木结构建筑现状与优势[J].林业经济,2011(10):61-67.
[3]王澄燕,汪霄.我国木结构建筑的发展思考[J].林产工业,2013,40(5):14-16.
[4]高婷婷.夏热冬冷地区居住建筑围护结构热工性能及经济性能分析[D].长沙:湖南大学,2016.
[5]Miskinis K,Dikavicius V,Buska A,et al.Influence of EPS,mineral wool and plaster layers on sound and thermal insulation of a wall:a case study[J].Applied Acoustics,2018,137:62-68.
[6]赵勇.现代木结构住宅墙体热物理性能研究[D].北京:中国林业科学研究院,2007.
[7]孙辰.轻型木结构墙体保温及传热性能研究[D].南京:南京林业大学,2012.
[8]Kosny J,Asiz A,Smith I,et al.A review of high R-value wood framed and composite wood wall technologies using advanced insulation techniques[J].Energy and Buildings,2014,72:441-456.
[9]袁廷阁.轻型木结构墙体保温性能研究[D].北京:北京林业大学,2016.
[10]杨静,饶鑫,卫佩行,等.轻型木结构墙体结构的传热特性测试与分析[J].西北林学院学报,2017,32(4):248-253.
[11]杨静,曹瑜,王正,等.基于轻型木结构墙体两种保温棉传热系数的测定[J].林产工业,2018,45(2):30-34.
[12]Chang S J,Kang Y,Wi S,et al.Hygrothermal performance improvement of the Korean wood frame walls using macro-packed phase change materials(MPPCM)[J].Applied Thermal Engineering,2017,114:457-465.
[13]Whitaker S.Simultaneous heat,mass,and momentum transfer in porous media:A theory of drying[J].Advances in Heat Transfer,1977,13(8):119-203.
[14]Tenwolde A.Steady-state one-dimensional water vapor movement by diffusion and convecyion in a multilayered wall[J].Ashrae transactions,1985,91(1):322-342.
[15]Fairey P,Kerestecioglue A.Dynamic modeling of combined thermal and moisture transport in buildings:effect on cooling loads and space conditions[J].Ashrae Trans,1985,91(2):461-472.
[16]Cunningham M J.Modelling of moisture transfer in structures-II.A comparison of a numerical model,an analytical model and some experimental results[J].Building&Environment,1990,25(2):85-94.
[17]Tao Y X,Besant R W,Rezkallah K S.The transient thermal response of a glass-fiber insulation slab with hygroscopic effects[J].International Journal of Heat and Mass Transfer,1992,35(5):1155-1167.
[18]Burch D M.An analysis of moisture accumulation in walls subjected to hot and humid climates[J].Ashrae transactions,1993,99(1):1013-1022.
[19]Stewart W E.Effect of air pressure differential on vapor flow through sample building walls[J].Ashrae transactions,1998,104(2):17-24.
[20]苏向辉,昂海松,许锋.多孔介质传热传湿过程多层不连续问题的数值分析[J].南京航空航天大学学报,2003,35(1):39-43.
[21]郭兴国,陈友明,张乐.一种新型木结构墙体的热湿性能分析[J].湖南大学学报(自然科学版),2009,36(12):18-21.
[22]李魁山,张旭,韩星,等.建筑材料等温吸放湿曲线性能实验研究[J].建筑材料学报,2009,12(1):81-84.
[23]Colinart T,Glouannec P,Bendouma M,et al.Temperature dependence of sorption isotherm of hygroscopic building materials.Part 2:Influence on hygrothermal behavior of hemp concrete[J].Energy and Buildings,2017,152:42-51.
[24]Burch D M,Thomas W C.MOIST-A PC program for predicting heat and moisture transfer in building envelopes[R].Gaithersbur:National Institute of Standards and Technology,1994.
[25]Finlayson E U.THERM 2.0:program description:APC Program for analyzing Two-Dimensional heat transfer through building products[R].Berkeley:Lawrence Berkeley National Laboratory,1998.
[26]于水,张旭.围护结构内热湿耦合数值模拟分析[J].建筑节能,2010,38(7):68-71.
[27]Karagiozis A N,Künzel H M,Holm A.WUFI-ORNL/IBP hygrothermal model[R].Toronto:Proceedings of Eight Conference on Building Science andTechnology,2001.
[28]Mcclung R,Ge H,Straube J,et al.Hygrothermal performance of cross-laminated timber wall assemblies with built-in moisture:field measurements and simulations[J].Building and Environment,2014,71:95-110.
[29]Chang S J,Kim S.Hygrothermal Performance of Exterior wall Structures Using a Heat,Air and Moisture Modeling[J].Energy Procedia,2015,78:3434-3439.
[2]袁东,王晓欢,费本华,等.中国发展现代木结构建筑现状与优势[J].林业经济,2011(10):61-67.
[3]王澄燕,汪霄.我国木结构建筑的发展思考[J].林产工业,2013,40(5):14-16.
[4]高婷婷.夏热冬冷地区居住建筑围护结构热工性能及经济性能分析[D].长沙:湖南大学,2016.
[5]Miskinis K,Dikavicius V,Buska A,et al.Influence of EPS,mineral wool and plaster layers on sound and thermal insulation of a wall:a case study[J].Applied Acoustics,2018,137:62-68.
[6]赵勇.现代木结构住宅墙体热物理性能研究[D].北京:中国林业科学研究院,2007.
[7]孙辰.轻型木结构墙体保温及传热性能研究[D].南京:南京林业大学,2012.
[8]Kosny J,Asiz A,Smith I,et al.A review of high R-value wood framed and composite wood wall technologies using advanced insulation techniques[J].Energy and Buildings,2014,72:441-456.
[9]袁廷阁.轻型木结构墙体保温性能研究[D].北京:北京林业大学,2016.
[10]杨静,饶鑫,卫佩行,等.轻型木结构墙体结构的传热特性测试与分析[J].西北林学院学报,2017,32(4):248-253.
[11]杨静,曹瑜,王正,等.基于轻型木结构墙体两种保温棉传热系数的测定[J].林产工业,2018,45(2):30-34.
[12]Chang S J,Kang Y,Wi S,et al.Hygrothermal performance improvement of the Korean wood frame walls using macro-packed phase change materials(MPPCM)[J].Applied Thermal Engineering,2017,114:457-465.
[13]Whitaker S.Simultaneous heat,mass,and momentum transfer in porous media:A theory of drying[J].Advances in Heat Transfer,1977,13(8):119-203.
[14]Tenwolde A.Steady-state one-dimensional water vapor movement by diffusion and convecyion in a multilayered wall[J].Ashrae transactions,1985,91(1):322-342.
[15]Fairey P,Kerestecioglue A.Dynamic modeling of combined thermal and moisture transport in buildings:effect on cooling loads and space conditions[J].Ashrae Trans,1985,91(2):461-472.
[16]Cunningham M J.Modelling of moisture transfer in structures-II.A comparison of a numerical model,an analytical model and some experimental results[J].Building&Environment,1990,25(2):85-94.
[17]Tao Y X,Besant R W,Rezkallah K S.The transient thermal response of a glass-fiber insulation slab with hygroscopic effects[J].International Journal of Heat and Mass Transfer,1992,35(5):1155-1167.
[18]Burch D M.An analysis of moisture accumulation in walls subjected to hot and humid climates[J].Ashrae transactions,1993,99(1):1013-1022.
[19]Stewart W E.Effect of air pressure differential on vapor flow through sample building walls[J].Ashrae transactions,1998,104(2):17-24.
[20]苏向辉,昂海松,许锋.多孔介质传热传湿过程多层不连续问题的数值分析[J].南京航空航天大学学报,2003,35(1):39-43.
[21]郭兴国,陈友明,张乐.一种新型木结构墙体的热湿性能分析[J].湖南大学学报(自然科学版),2009,36(12):18-21.
[22]李魁山,张旭,韩星,等.建筑材料等温吸放湿曲线性能实验研究[J].建筑材料学报,2009,12(1):81-84.
[23]Colinart T,Glouannec P,Bendouma M,et al.Temperature dependence of sorption isotherm of hygroscopic building materials.Part 2:Influence on hygrothermal behavior of hemp concrete[J].Energy and Buildings,2017,152:42-51.
[24]Burch D M,Thomas W C.MOIST-A PC program for predicting heat and moisture transfer in building envelopes[R].Gaithersbur:National Institute of Standards and Technology,1994.
[25]Finlayson E U.THERM 2.0:program description:APC Program for analyzing Two-Dimensional heat transfer through building products[R].Berkeley:Lawrence Berkeley National Laboratory,1998.
[26]于水,张旭.围护结构内热湿耦合数值模拟分析[J].建筑节能,2010,38(7):68-71.
[27]Karagiozis A N,Künzel H M,Holm A.WUFI-ORNL/IBP hygrothermal model[R].Toronto:Proceedings of Eight Conference on Building Science andTechnology,2001.
[28]Mcclung R,Ge H,Straube J,et al.Hygrothermal performance of cross-laminated timber wall assemblies with built-in moisture:field measurements and simulations[J].Building and Environment,2014,71:95-110.
[29]Chang S J,Kim S.Hygrothermal Performance of Exterior wall Structures Using a Heat,Air and Moisture Modeling[J].Energy Procedia,2015,78:3434-3439.