| Issue |
MATEC Web of Conferences
Volume 53, 2016
International Scientific Conference Week of Science in SPbPU – Civil Engineering (SPbWOSCE-2015)
|
|
|---|---|---|
| Article Number | 01010 | |
| Number of page(s) | 5 | |
| Section | Engineering and Technology | |
| DOI | https://doi.org/10.1051/matecconf/20165301010 | |
| Published online | 15 April 2016 | |
Moisture Transfer in Ventilated Facade Structures
St. Petersburg State Polytechnical University, Politekhnicheskaya, 29, Saint-Petersburg, 195251, Russia
a Corresponding author: staclena@mail.ru
This article discusses the phenomenon of moisture transfer in the designs of ventilated facades (VF). The main ways of moisture transfer are defined. The negative factors connected with moisture accumulation and excessive moistening of insulation are given. The physical processes occurring in the gap of the building envelope due to saturation of air with water vapor are described. The dependence of the intensity of the mass transfer on the air velocity in the layer is considered. Much attention is paid to the selection of the optimum design of the facade, namely a system with or without grooved lines. The dependence of velocity and temperature on the width of the ventilated gap is established empirically for the constructions with open and closed grooves. Expediency of a design without grooves to effectively remove moisture is determined.
© Owned by the authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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