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"Humid Air" and cooled walls.

Trogisch A, Franzke U, 2000
chilled walls | condensation | wall | humidity | mathematical modelling
Bibliographic info: 21st AIVC Conference "Innovations in Ventilation Technology,", Hague, Netherlands, 26-29 September 2000
Languages: English

The humidity of room air is a necessary influence of design under the aspects of thermalbehavior, technology and conservation.The moisture absorption in the walls through sorptive materials or dehumidification on thecold window surface by dew point condensation is low because of the new thermalcharacteristics of these components.The moisture load of a room briefly or also continuously, caused by technological processesor the users cant be compensated.Today, the walls are used like a floor heating system. New developments refer to the fact thatin the near future the wall is using like a chilled ceiling system.The authors would like to show the danger of fall air streams and the condensation of watercaused by chilled walls.The distribution of temperature, velocity and humidity of room air, calculated with a threedimensionalmathematical program, is shown. It becomes more clearly, that its necessary torealize an integral process of design by co-working of architects, users and engineers to avoidproblems of humidity and to give the guaranty of thermal comfort.


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