Composite wall consisting of three layers placed from outside to inside in concrete, plaster and plexiglass, is subject to external climatic constraints evolving in frequency dynamic regime. Goal is to maintain indoor environment at lower temperature for thermal comfort in homes or thermal insulation of cold rooms. By means of excitation pulse, periods of external climatic stresses for which thermal insulation is effective for this wall system are determined
In this work, we studied the influence of the irradiation energy on the electric power of a monofacial solar cell in frequency dynamic regime under monochromatic illumination. After solving the minority charge carrier continuity equation in the presence of irradiation energy, we establish new expressions for the minority charge carrier density and electrical parameters such as photocurrent density, photovoltage and electrical power. Starting from these equations, we have represented the profiles of some electrical parameters such as the electrical power finally to highlight the effect of the irradiation energy on the latter.
Cette etude, propose levaluation du comportement thermique en regime dynamique frequentiel dun panneau a base fibre de bois. La resolution de lequation de continuite de la chaleur a produit les expressions theriques de la temperature et de la densite de flux de chaleur dans le panneau. Linfluence des parametres exterieurs a travers les coefficients dechanges thermiques sur les surfaces avant et arriere du panneau, ainsi que de la pulsation excitatrice sur la diffusion de chaleur est analysee.
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