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The Behaviour of Vapour Transfer on Building Material Surfaces: The Vapour Transfer Resistance 建筑材料表面的蒸汽传递行为:蒸汽传递阻力
Journal of Thermal Env. & Bldg. Sci. Pub Date : 2004-10-01 DOI: 10.1177/1097196304044398
A. Worch
{"title":"The Behaviour of Vapour Transfer on Building Material Surfaces: The Vapour Transfer Resistance","authors":"A. Worch","doi":"10.1177/1097196304044398","DOIUrl":"https://doi.org/10.1177/1097196304044398","url":null,"abstract":"While the consideration of the heat transfer resistances on surfaces is natural in practice, the similar effect of the moisture transport is not considered. New investigations showed that in some cases the transition resistance of vapour should not be neglected. Experimental studies have been carried out to determine the rate of vapour transfer at various surfaces. For the transition of vapour at different surfaces specific differences could be detected. A definition by cases concerning the involved surface must be made. This distinction can be met with the aid of the so called vapour transfer resistance, similar to the usual description of heat transfer. Appropriate numerical values are presented and discussed.","PeriodicalId":274973,"journal":{"name":"Journal of Thermal Env. & Bldg. Sci.","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115106934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
Pedestrian Wind Environment around Buildings: Literature Review and Practical Examples 建筑周围行人风环境:文献综述与实例
Journal of Thermal Env. & Bldg. Sci. Pub Date : 2004-10-01 DOI: 10.1177/1097196304044396
B. Blocken, J. Carmeliet
{"title":"Pedestrian Wind Environment around Buildings: Literature Review and Practical Examples","authors":"B. Blocken, J. Carmeliet","doi":"10.1177/1097196304044396","DOIUrl":"https://doi.org/10.1177/1097196304044396","url":null,"abstract":"The construction of a building inevitably changes the microclimate in its vicinity. In particular near high-rise buildings, high wind velocities are often introduced at pedestrian level that can be experienced as uncomfortable or even dangerous. Therefore, the design of a building should not only focus on the building envelope and on providing good indoor environment, but should also include the effect of the design on the outdoor environment. The outdoor environment of a building, in particular related to wind, has received relatively little attention in the Building Physics community. The present paper addresses Building Physicists and focuses on the outdoor wind environment for pedestrians. First, a literature review on pedestrian wind studies is provided. The relation between wind effects, wind comfort, wind danger and wind climate is outlined. A brief review on wind tunnel and numerical modeling of building aerodynamics and pedestrian wind is given. The typical wind flow pattern around buildings and the related wind environment at pedestrian level are discussed. Second, these problems are illustrated by means of four practical examples, where the unfavorable pedestrian wind environment has been, is or should be a matter of serious concern for the building designers and the building owner.","PeriodicalId":274973,"journal":{"name":"Journal of Thermal Env. & Bldg. Sci.","volume":"84 9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124423028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 268
Heat and Mass Transfer between Indoor Air and a Permeable and Hygroscopic Building Envelope: Part II – Verification and Numerical Studies 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
Journal of Thermal Env. & Bldg. Sci. Pub Date : 2004-10-01 DOI: 10.1177/1097196304044397
C. Simonson, Mikael Salaonvaara, T. Ojanen
{"title":"Heat and Mass Transfer between Indoor Air and a Permeable and Hygroscopic Building Envelope: Part II – Verification and Numerical Studies","authors":"C. Simonson, Mikael Salaonvaara, T. Ojanen","doi":"10.1177/1097196304044397","DOIUrl":"https://doi.org/10.1177/1097196304044397","url":null,"abstract":"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%).","PeriodicalId":274973,"journal":{"name":"Journal of Thermal Env. & Bldg. Sci.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129176750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 45
Thermal and Moisture Conditions of Coarse-Grained Fill Layer under a Slab-on-Ground Structure in Cold Climate 寒冷气候下板对地结构下粗粒填料层热湿条件研究
Journal of Thermal Env. & Bldg. Sci. Pub Date : 2004-07-01 DOI: 10.1177/1097196304042120
J. Rantala, Virpi Leivo
{"title":"Thermal and Moisture Conditions of Coarse-Grained Fill Layer under a Slab-on-Ground Structure in Cold Climate","authors":"J. Rantala, Virpi Leivo","doi":"10.1177/1097196304042120","DOIUrl":"https://doi.org/10.1177/1097196304042120","url":null,"abstract":"This paper presents the results of a research program concerning the thermal and moisture conditions of coarse-grained fill layer underneath a slabon-ground structure in Finnish climate. Conditions were studied by laboratory tests and long-term in situ surveys. Results showed that the temperature behavior of the fill layer underneath a heated building is strongly diverged. The effect of the outdoor seasonal temperature variation has a major effect on the edge of the fill layer, but under the center part of the slab the temperature remains almost constant throughout the year. The measured moisture contents of the fill at the survey building were close to the hygroscopic equilibrium moisture content of coarsegrained materials in relative humidity RH 1/4 100% in prevailing temperatures. The temperature and moisture conditions of the fill material were such that the water vapor diffusion flow is directed from the subsoil towards the drier indoor air.","PeriodicalId":274973,"journal":{"name":"Journal of Thermal Env. & Bldg. Sci.","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117142936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Heat and Mass Transfer between Indoor Air and a Permeable and Hygroscopic Building Envelope: Part I – Field Measurements 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1部分:现场测量
Journal of Thermal Env. & Bldg. Sci. Pub Date : 2004-07-01 DOI: 10.1177/1097196304044395
C. Simonson, M. Salonvaara, T. Ojanen
{"title":"Heat and Mass Transfer between Indoor Air and a Permeable and Hygroscopic Building Envelope: Part I – Field Measurements","authors":"C. Simonson, M. Salonvaara, T. Ojanen","doi":"10.1177/1097196304044395","DOIUrl":"https://doi.org/10.1177/1097196304044395","url":null,"abstract":"In this paper, measurements are presented which quantify the mass transfer of tracer gases and water vapor between indoor air and a permeable and hygroscopic building envelope. The transfer of tracer gases through the envelope requires the entire envelope to be permeable, while the transfer of moisture requires sufficient hygroscopic mass to be in contact with the indoor air. The results show that mass transfer can improve the indoor air quality and climate. The diffusion of gases through the building envelope significantly increases the effective ventilation rate for poorly ventilated rooms, but only moderately increases the effective ventilation for well-ventilated rooms. Moisture transfer, on the other hand, has a significant influence on the indoor humidity for both poorly and well-ventilated rooms.","PeriodicalId":274973,"journal":{"name":"Journal of Thermal Env. & Bldg. Sci.","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132291461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 60
An Example of Application of Limit State Approach for Reliability Analysis of Moisture Performance of a Building Component 极限状态法在建筑构件防潮性能可靠性分析中的应用实例
Journal of Thermal Env. & Bldg. Sci. Pub Date : 2004-07-01 DOI: 10.1177/1097196304041993
K. Pietrzyk, K. Kurkinen, C. Hagentoft
{"title":"An Example of Application of Limit State Approach for Reliability Analysis of Moisture Performance of a Building Component","authors":"K. Pietrzyk, K. Kurkinen, C. Hagentoft","doi":"10.1177/1097196304041993","DOIUrl":"https://doi.org/10.1177/1097196304041993","url":null,"abstract":"Application of limit state approach for the reliability analysis of building performance in the context of building physics characteristics is presented. Analysis of the probability of surface condensation on windows carried out on the basis of statistical description of the climatic parameters and the moisture production is shown as an example of application of this technique for reliability analysis of moisture performance of a building component. The first-order reliability method (FORM) is employed to estimate the probability of performance failure. The results of probabilistic approximations are verified with the help of statistical analysis of the results obtained from deterministic simulations.","PeriodicalId":274973,"journal":{"name":"Journal of Thermal Env. & Bldg. Sci.","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124972094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Letter from the Editor 编辑来信
Journal of Thermal Env. & Bldg. Sci. Pub Date : 2004-07-01 DOI: 10.1177/1097196304045817
Mark Bomberg
{"title":"Letter from the Editor","authors":"Mark Bomberg","doi":"10.1177/1097196304045817","DOIUrl":"https://doi.org/10.1177/1097196304045817","url":null,"abstract":"IN THIS ISSUE, which initiates the 28th year of Journal publication, we would like to announce some changes. To make sure that this letter represents a joint vision, I have compiled the input received from the editorial board. In the previous editorial letter we mentioned that the International Association of Building Physics (IABF) was created with the mandate to organize International Conferences in Building Physics, and to provide a focus for communication of research in Building Physics. This Journal was selected to become the official Journal of the Association. It will also remain the publishing platform of the CIB W-40 committee on ‘‘Heat and Moisture Transfer in Buildings’’. To this end, and at the end of the transition year, this Journal will change its name. The new name will be the Journal of Building Physics (JBP).","PeriodicalId":274973,"journal":{"name":"Journal of Thermal Env. & Bldg. Sci.","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115486744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Hot Box–Cold Box Investigation of the Corrosion Behavior of Highly Insulated Zinc Roofing Systems 高绝热锌屋面系统腐蚀行为的热-冷-箱研究
Journal of Thermal Env. & Bldg. Sci. Pub Date : 2004-07-01 DOI: 10.1177/1097196304041994
R. Zheng, J. Carmeliet, H. Hens, A. Janssens, W. Bogaerts
{"title":"A Hot Box–Cold Box Investigation of the Corrosion Behavior of Highly Insulated Zinc Roofing Systems","authors":"R. Zheng, J. Carmeliet, H. Hens, A. Janssens, W. Bogaerts","doi":"10.1177/1097196304041994","DOIUrl":"https://doi.org/10.1177/1097196304041994","url":null,"abstract":"This paper investigates the effect of roofing systems on the humidityinduced corrosion of zinc sheeting in highly insulated zinc roofs. Ten types of roofing systems (U< 0.25 W/(m2K)) were tested in a hot box–cold box apparatus. The measurements and investigations include the relative humidity under the zinc sheeting, the corrosion type, the corrosion product, and the corrosion rate. The influence of a well performing air-vapor retarder below the insulation on the underside corrosion of zinc sheeting is slight for zinc roofs with a good cavity ventilation, but significant if the ventilation is poor. For nonventilated zinc roofs, installing a perfect air-vapor retarder under the insulation only is not sufficient to control the sheeting underside corrosion. Further introducing a dry capillary and sorption active material between the sheeting and the insulation greatly reduces that corrosion.","PeriodicalId":274973,"journal":{"name":"Journal of Thermal Env. & Bldg. Sci.","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124904697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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