Diffused Structure of Drained and Back-Ventilated Rainscreen Claddings

Abstract:

The major problem in ventilation systems designing is an empiric range of parameters of an air cavity and rustics between cladding panels which results in unventilated layers emergence. Whereas insufficient air interchange causes icing of as substructure elements which come out into a ventilated air cavity as facing outer layer in winter period, and reducing of heat-protective properties of the structure in whole. The aim of this survey is to elaborate the methods meant for calculating the parameters of hydraulic airflow in a ventilated air cavity which allow determining rational and optimal dimensions of hydraulically optimal air cavity in rainscreens of buildings and other constructions. As an outcome it has been specified that it is necessary to design a ventilated rainscreen cladding with a ventilated air cavity expanding from bottom to top with the purpose to reduce the losses.

• Periodical: Advanced Materials Research (Volumes 945-949)
• Pages: 1015-1022
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.945-949.1015
• Online since: June 2014
• Authors: M.V. Petrochenko, E.B. Yavtushenko*
• Keywords: Air Cavity, Diffused Profile of a DBV Rainscreen, Drained and Back-Ventilated (DBV) Rainscreen Claddings, Energy Performance, Free-Convection Flow, Outer Envelopes

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