Experimental Determination of Some Micro-Structural and Hydrous Properties of a Terra Cotta and Modelisation of Hygrothermal Transfers
This experimental study present some micro-structural and thermo-hydrous properties of terra cotta. A tube, built from this porous material, bathes in a tank filled with water. The internal surface of the wall carries a water film which evaporates by forced convection of hot and dry air, allowing th...
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| Veröffentlicht in: | Journal of applied sciences (Asian Network for Scientific Information) 2009, Vol.9 (19), p.3424-3432 |
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| container_issue | 19 |
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| container_title | Journal of applied sciences (Asian Network for Scientific Information) |
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| creator | Kam, S. Bathiebo, J. Zerbo, L. Soro, J. Traore, K. Blanchart, P. Kieno, F. |
| description | This experimental study present some micro-structural and thermo-hydrous properties of terra cotta. A tube, built from this porous material, bathes in a tank filled with water. The internal surface of the wall carries a water film which evaporates by forced convection of hot and dry air, allowing the storage of negative kilocalories. The form of the tube used is a factor that allows neglecting the variations of the thermo-physical properties of the air between the entry and the exit of the tube. A computer code (based on the equation of Darcy for fluid crossing saturated porous material, the equation of Laplace on pressures and the equation of heat in polar co-ordinates) was established to describe the thermo-hydrous behavior of the material. The code makes it possible to determine the zones of intrinsic permeability favorable to a continuous evaporation without draining off the water film and it also allows the calculation of the average temperature of bath. |
| doi_str_mv | 10.3923/jas.2009.3424.3432 |
| format | Article |
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| ispartof | Journal of applied sciences (Asian Network for Scientific Information), 2009, Vol.9 (19), p.3424-3432 |
| issn | 1812-5654 1812-5662 |
| language | eng |
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| source | EZB-FREE-00999 freely available EZB journals; Science Alert |
| subjects | Engineering Sciences Materials |
| title | Experimental Determination of Some Micro-Structural and Hydrous Properties of a Terra Cotta and Modelisation of Hygrothermal Transfers |
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