{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,3,4]],"date-time":"2025-03-04T05:36:03Z","timestamp":1741066563173,"version":"3.38.0"},"reference-count":18,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2011,9,13]],"date-time":"2011-09-13T00:00:00Z","timestamp":1315872000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Building Physics"],"published-print":{"date-parts":[[2012,1]]},"abstract":"<jats:p> Typically, moisture transport coefficients are determined either by stationary measurements, as standard cup set-up and modified cup method, or by dynamic measurements, as the means of the type [Formula: see text] rule in the initial phase of adsorption processes, logarithmic procedure in the end stage of adsorption processes, the half-time method, the moment method, and the hybrid 1-term method. <\/jats:p><jats:p> The aim of this work was to test the usability of the five dynamic calculation methods to define the moisture diffusivity in the hygroscopic range of different building materials. The results obtained were compared in order to evaluate the discrepancies between the different calculation techniques. Advantages in time saving using each experimental technique were compared with the feasibility of each process. <\/jats:p><jats:p> Two commonly used building materials are considered in the study, gypsum board and gypsum plaster, for adsorptive measurement of the moisture diffusivity at three different temperatures in three different relative humidity ranges. <\/jats:p>","DOI":"10.1177\/1744259111418331","type":"journal-article","created":{"date-parts":[[2011,9,14]],"date-time":"2011-09-14T00:59:48Z","timestamp":1315961988000},"page":"251-266","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":9,"title":["Application of different transient sorption methods to evaluate moisture diffusion coefficients of building materials on the hygroscopic range"],"prefix":"10.1177","volume":"35","author":[{"given":"JMPQ","family":"Delgado","sequence":"first","affiliation":[{"name":"LFC \u2212 Building Physics Laboratory, Civil Engineering Department of Faculty of Engineering of the University of Porto, Rua Dr. Roberto Frias, s\/n, 4200-465 Porto, Portugal."}]},{"given":"NMM","family":"Ramos","sequence":"additional","affiliation":[{"name":"LFC \u2212 Building Physics Laboratory, Civil Engineering Department of Faculty of Engineering of the University of Porto, Rua Dr. Roberto Frias, s\/n, 4200-465 Porto, Portugal."}]},{"given":"VP","family":"de Freitas","sequence":"additional","affiliation":[{"name":"LFC \u2212 Building Physics Laboratory, Civil Engineering Department of Faculty of Engineering of the University of Porto, Rua Dr. Roberto Frias, s\/n, 4200-465 Porto, Portugal."}]}],"member":"179","published-online":{"date-parts":[[2011,9,13]]},"reference":[{"key":"bibr1-1744259111418331","doi-asserted-by":"publisher","DOI":"10.1177\/1744259105057223"},{"key":"bibr2-1744259111418331","doi-asserted-by":"publisher","DOI":"10.1016\/j.conbuildmat.2010.05.017"},{"key":"bibr3-1744259111418331","unstructured":"Bomberg M, Pazera M, Haghighat F and Grunewald J (2002) Modified cup for testing of water vapour transmission through thick, permeable materials. In: Proceedings of the 6th Symposium on Building Physics in the Nordic Countries, Trondheim."},{"key":"bibr4-1744259111418331","first-page":"140","volume":"12","author":"K\u00fcnzel HM","year":"1990","journal-title":"Bauphysik"},{"key":"bibr5-1744259111418331","unstructured":"Wads\u00f6 L (1993) Studies of water vapour transport and sorption in wood. PhD Thesis, Department of Building Science, Lund Institute of Technology, Lund University."},{"key":"bibr6-1744259111418331","unstructured":"Time B (1998) Hygroscopic moisture transport in wood. PhD Thesis, Department of Buildingand Construction Engineering, Norwegian University of Science and Technology, 1998."},{"key":"bibr7-1744259111418331","doi-asserted-by":"publisher","DOI":"10.1016\/S0017-9310(01)00221-6"},{"key":"bibr8-1744259111418331","doi-asserted-by":"publisher","DOI":"10.1007\/s00231-003-0487-z"},{"journal-title":"Heat and Mass Transfer","year":"2010","author":"Delgado JMPQ","key":"bibr9-1744259111418331"},{"key":"bibr10-1744259111418331","unstructured":"Rode C, Peuhkuri R, Mortensen L, Hansen K, Time B, Gustavsen A, et al. (2005) Moisture buffering of building materials. Report BYG-DTU R-126, Department of Civil Engineering, DTU, Lyngby, Denmark."},{"volume-title":"The mathematics of diffusion","year":"1975","author":"Crank J","key":"bibr11-1744259111418331"},{"key":"bibr12-1744259111418331","doi-asserted-by":"publisher","DOI":"10.1016\/S0376-7388(00)80408-1"},{"volume-title":"Introduction to solid state physics","year":"1968","author":"Kittel C","key":"bibr13-1744259111418331"},{"key":"bibr14-1744259111418331","doi-asserted-by":"publisher","DOI":"10.1080\/00401706.1960.10489912"},{"volume-title":"European Committee for Standardization","year":"2001","author":"prEN ISO 12572","key":"bibr15-1744259111418331"},{"key":"bibr16-1744259111418331","doi-asserted-by":"publisher","DOI":"10.1177\/1420326X9800700406"},{"key":"bibr17-1744259111418331","unstructured":"Galbraith GH (1992) Heat and mass transfer within porous building materials. 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