建筑遮阳产品自身的热阻以及其与外窗等围护结构之间相对密闭的空气腔体使得遮阳产品能为外窗等围护结构带来附加热阻,进而在某种程度上改善其热工性能。国内对于遮阳产品所产生的附加热阻缺少系统性的研究和数据积累,英国标准和欧洲标...建筑遮阳产品自身的热阻以及其与外窗等围护结构之间相对密闭的空气腔体使得遮阳产品能为外窗等围护结构带来附加热阻,进而在某种程度上改善其热工性能。国内对于遮阳产品所产生的附加热阻缺少系统性的研究和数据积累,英国标准和欧洲标准给出了遮阳产品所产生的附加热阻的理论计算方法,国内建筑遮阳相关标准中尚没有相关内容。本文分析了国外标准BS EN 13125‑2001 Shutters and blinds—Additional thermal resistance—Allocation of a class of air permeability to a product、ISO 10077‑1:2006(E)Thermal performance of windows,doors and shutters—Calculation of thermal transmittance Part 1:General中给出的部分附加热阻计算方法并通过试验验证了其结果的准确性。结果表明:国外标准提供的外置遮阳硬卷帘和中置遮阳产品的附加热阻计算方法得出的结果与试验数据具有较高的一致性,验证了其在实际应用中的有效性。展开更多
This paper will report on the development of a prototype of actively controlled facade module,which is capable of adapting its solar transmittance to changeable solar gains.Hence this new facade offers additional feat...This paper will report on the development of a prototype of actively controlled facade module,which is capable of adapting its solar transmittance to changeable solar gains.Hence this new facade offers additional features with respect to the most popular currently used glass facades,which have fixed solar transmittance indeed.The novel technology is made possible by the creation of an additional 1.5-mm-thick sliding shielding liquid,which flows internally,in order to dynamically adapt the window’s solar transmittance.As compared with competitive technologies,this shielding system has low manufacturing costs,is durable,is completely reversible and always transparent,irrespective of its transmittance state.Specifically,the manufacture of a full-size window prototype and the engineering of the window was carried out;moreover,glass pane bending when subject to hydrostatic pressure was eventually assessed.All this information has been used to set up the industrial process needed for its manufacturing.展开更多
文摘建筑遮阳产品自身的热阻以及其与外窗等围护结构之间相对密闭的空气腔体使得遮阳产品能为外窗等围护结构带来附加热阻,进而在某种程度上改善其热工性能。国内对于遮阳产品所产生的附加热阻缺少系统性的研究和数据积累,英国标准和欧洲标准给出了遮阳产品所产生的附加热阻的理论计算方法,国内建筑遮阳相关标准中尚没有相关内容。本文分析了国外标准BS EN 13125‑2001 Shutters and blinds—Additional thermal resistance—Allocation of a class of air permeability to a product、ISO 10077‑1:2006(E)Thermal performance of windows,doors and shutters—Calculation of thermal transmittance Part 1:General中给出的部分附加热阻计算方法并通过试验验证了其结果的准确性。结果表明:国外标准提供的外置遮阳硬卷帘和中置遮阳产品的附加热阻计算方法得出的结果与试验数据具有较高的一致性,验证了其在实际应用中的有效性。
文摘This paper will report on the development of a prototype of actively controlled facade module,which is capable of adapting its solar transmittance to changeable solar gains.Hence this new facade offers additional features with respect to the most popular currently used glass facades,which have fixed solar transmittance indeed.The novel technology is made possible by the creation of an additional 1.5-mm-thick sliding shielding liquid,which flows internally,in order to dynamically adapt the window’s solar transmittance.As compared with competitive technologies,this shielding system has low manufacturing costs,is durable,is completely reversible and always transparent,irrespective of its transmittance state.Specifically,the manufacture of a full-size window prototype and the engineering of the window was carried out;moreover,glass pane bending when subject to hydrostatic pressure was eventually assessed.All this information has been used to set up the industrial process needed for its manufacturing.
