期刊
PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
卷 463, 期 2084, 页码 1871-1884出版社
ROYAL SOCIETY
DOI: 10.1098/rspa.2007.1855
关键词
capillary rise; evaporation; sorptivity; clay brick; building stone
We analyse rising damp using the concepts and methods of unsaturated. ow theory. A simple first-order Sharp Front model is developed which uses clear physical principles and includes the effects of evaporation and gravity. We. nd that the simple model captures well the observed features of capillary rise in walls and is supported by the underpinning nonlinear capillary diffusion theory. For most cases, capillary forces are dominant and the effects of gravity can be neglected.
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