室内空气与透气性和吸湿性建筑围护结构之间的传热和传质:第2部分-验证和数值研究

C. Simonson, Mikael Salaonvaara, T. Ojanen
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引用次数: 45

摘要

由于建筑围护结构与室内空气之间的同时传热传质在实验室和现场实验中测量复杂且昂贵,因此数值模型对于理解和推断实验结果非常重要。本文利用本文第一部分的现场测量验证了求解建筑围护结构与室内空气之间同时传热传质的数值模型。验证结果表明,该模型能够预测建筑围护结构与空气之间的水蒸气、CO2和SF6的传递。然后将该模型应用于调查位于四个欧洲国家(芬兰,比利时,德国和意大利)的木制建筑卧室的湿度,舒适度和空气质量。数值结果表明,室内空气和吸湿结构之间的水分传递显著降低了室内峰值湿度(高达35% RH),降低了对温暖呼吸舒适性不满意的百分比(高达10%)和对室内空气质量不满意的百分比(高达25%)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Heat and Mass Transfer between Indoor Air and a Permeable and Hygroscopic Building Envelope: Part II – Verification and Numerical Studies
As simultaneous heat and mass transfer between building envelopes and indoor air is complicated and expensive to measure in laboratory and field experiments, a numerical model is important in understanding and extrapolating experimental results. In this paper a numerical model that solves simultaneous heat and mass transfer between building envelopes and indoor air is verified using the field measurements presented in Part I of this paper. The verification results show that the model is able to predict the transfer of water vapor, CO2, and SF6 between the building envelope and air. The model is then applied to investigate the humidity, comfort, and air quality in a bedroom of a wooden building located in four European countries (Finland, Belgium, Germany, and Italy). The numerical results show that moisture transfer between indoor air and the hygroscopic structure significantly reduces the peak indoor humidity (up to 35% RH), percent dissatisfied with warm respiratory comfort (up to 10%) and the percent dissatisfied with indoor air quality (up to 25%).
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