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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2010

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FEM applications to the analysis of passive solar wall elements

Lenik K., Wójcicka-Migasiuk D.

Journal of Achievements in Materials and Manufacturing Engineering

2010

Vol. 43, nr 1

333--340

Purpose: The evaluation of heat propagation effectiveness through passive solar modules of different construction in relation to selected process conditions by means of computer simulation. Design/methodology/approach: The analysis of heat transfer through laminar structures in transient states by means of FEM and its verification on small scale models during laboratory tests. Findings: The paper presents the application of FEM and its methodology of computations for the established conditions on both sides of laminar structures specific for solar passive-thermal modules. The results are compared to small scale experimental results. The verification of the analysis leads from particular conclusions concerning the procedure of simulations towards general comments on the application of real modules. Research limitations/implications: The research has been carried out by means of software suitable for field analysis with some limitations to 3D which have been specified but their influence on usefulness of results is only minor. The verification on a small scale model is necessary and reliable in terms of the research consistence. Practical implications: Finite Element Method exploited in the applied methodology of investigation can be successfully used as a tool to examine energy transfer at considerations on different laminar structures. The subject of the research, i.e. solar passive modules confirmed their usefulness for energy demand reduction but with some identified restrictions. Originality/value: The use of small scale solar modules to verify FEM analysis and the combination of both analyses to determine the applicability of modules in real conditions of solar energy conversion in different building objects.