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Abstracts
Vertical migration of water in several porous materials has been directly observed and recorded with the recently installed neutron and gamma radiography facility at the MARIA reactor of Institute of Atomic Energy, Świerk. The density profiles of water in samples were obtained from the optical density of digitised images. A simple model (representing the porous material as the collection of capillary tubes of various radii) has been introduced to describe the liquid transport in porous materials in terms of capillary motion. The equation for viscous movement of water in porous material in presence of the gravitation is proposed. A good agreement of the calculated density profiles for vertical water migration with the data collected for siliceous bricks suggests that the thinnest capillary tubes determine the upper edge of the water density profile.
Discipline
Journal
Year
Volume
Issue
Pages
245-252
Physical description
Dates
published
2002-08
received
2001-09-23
Contributors
author
- Institute of Atomic Energy, Świerk, 05-400 Otwock, Poland
author
- Institute of Atomic Energy, Świerk, 05-400 Otwock, Poland
author
- Institute of Atomic Energy, Świerk, 05-400 Otwock, Poland
References
- 1. C.A. Black, Methods of Soil Analysis, Part 1, Am. Inst. Agronomy, Madison 1965
- 2. L. Pel, K. Kopinga, G. Bertram, G. Lang, J. Phys. D., Appl. Phys., 4, 675, 1995
- 3. H. Pleinert, H. Sadouki, F.H. Wittmann, Mater. Struct., 31, 224, 1998
- 4. D. Quendard, H. Sallee, Mater. Res. Soc. Symp. Proc., 137, 165, 1989
- 5. J.A. Pogorzelski, Building Thermal Physics, PWN, Warszawa 1976 (in Polish)
- 6. T. Nemec, J. Rant, M. Kaling, in: Proc. IAEA Technical Committee Meeting on Neutron Beam Research, September 1999, Lisbon, Ed. F.G. Carvalho, Nuclear and Technological Institute, Lisbon 1999, p. 119
- 7. F. Korosi, M. Balasko, E. Swab, Nondestr. Test. Eval., 16, 309, 2001
- 8. A. Czachor, J.J. Milczarek, Annual Report 2000-ISSN 1507-5478, IAE, Świerk 2000
- 9. M. Leśniewska, J.A. Pogorzelski, Archiwum Inynierii Lądowej, 27, 123, 1981 (in Polish)
- 10. J.R. Philip, Adv. Hydrosci., 5, 215, 1965
- 11. C. Hall, Build. Environ., 12, 117, 1977
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv102n221kz