Mathematical Model Using Discrete-Continuous Approach for Moisture Transfer in Enclosing Construction

The paper presents an unsteady-state calculation method for single-layer enclosing structures moisture regime using a discrete-continuous approach. A new formula allowing moisture potential distribution determination along enclosing structure thickness in any section, at any moment of time, under co...

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Veröffentlicht in:IOP conference series. Materials Science and Engineering 2018-12, Vol.463 (2), p.22023
Hauptverfasser: Gagarin, V G, Akhmetov, V K, Zubarev, K P
Format: Artikel
Sprache:eng
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Zusammenfassung:The paper presents an unsteady-state calculation method for single-layer enclosing structures moisture regime using a discrete-continuous approach. A new formula allowing moisture potential distribution determination along enclosing structure thickness in any section, at any moment of time, under continuous control for temperature field is introduced. The proposed method was verified by finite difference method using an explicit difference scheme. Single-layer enclosing structure moisture regime calculation results obtained by various moisture potential methods are compared. Calculations using the proposed method give quantitative and qualitative results similar to Gagarin's unsteady-state method, but are described by calculated expression. Results of this research can be used in practice by design engineers.
ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/463/2/022023