Talk:Water Absorption Coefficient: Difference between revisions
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Most common is the following classification of the water absorption coefficient | Most common is the following classification of the water absorption coefficient | ||
(in kg/(m2*h0.5))<ref> http://www.uni-due.de/ibpm/Bauphysik-Interaktiv/nh_fe_wasserauf1.htm</ref><ref>http://www.kbb-weber.de/files/Wasseraufnahme.pdf</ref>: | |||
Please double check!!! | Please double check!!! | ||
Revision as of 13:51, 20 January 2013
Author: Hans-Jürgen Schwarz
back to Physical Principles of Moisture
Introduction
The water absorption coefficient w is used for measuring at which rate a building material absorbs water:
![{\displaystyle w={\frac {W[kg/m^{2}]}{{\sqrt {t}}[h^{0.5}]}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/43e0f5c226426e468af5b931d4c4dc7de8676010)
W = amount of water [kg/m²], t = time in [h]
The water absorption coefficient indicates, how many kg of water per hour one square meter of material absorbs through capillary action.
| The water absorption coefficient is used to measure the rate of moisture absorption of building materials. |
Most common is the following classification of the water absorption coefficient (in kg/(m2*h0.5))[1][2]:
Please double check!!!
- water absorbent (w > 2)
- water inhibiting (w < 2)
- water repellent (w < 0.5)
- waterproof (w < 0.001)
!!!
Weblinks
Literature
There were no citations found in the article. --SLeithaeuser 14:50, 20 January 2013 (CET)