Simulation of the Thermal Inertia of a Wall Under the Saharan Winter Climatic Conditions of Algeria

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Khelifa Hami, AbdelkrimTalhi, Houcine Aissani


Thisworkinvolvesthestudyand the modelingofheat transferin awall subjectedtoaconditionofsolar
radiationinwinteronthe outside. Anoptimalproposalis clearedfrom this studybased onthe searched objectives. Wealso
analyzedtheinfluenceof heat transferonmaterials selectionand optimizationofthe thickness ofsuchabuilding
envelopeinsouthwestAlgeria. The operationof thenumerical codedevelopedoncasesrelatedto theprobleminthehome.The
simulation resultsarepresentedexamplesofbuildinginreal operating conditions(solar input, temperature, accumulated heat,
etc....) and areingoodagreementwiththoseofthe literature. In the established periodic regime, the temperature of the outer face
varies from 21.23°C to 56.01°C, the temperature in the middle of the wall varies from 14.96°C to 22.02°C. Therefore, the
amplitude of the quasi-steady state is 17.39°C. The heat stored and returned inside the room varies from 136.61 W/m² to
177.73 W/m²; the amplitude of the quasi-stationary regime is 20.56 W/m²

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