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              <p>Le processus de murissement est induit par la réduction de la densité d'énergie interfaciale, ce qui entraîne une augmentation de l'échelle de taille dans les systèmes biphasés. Il joue un rôle crucial dans la stabilité et le vieillissement des arrangements denses de particules, que l'on trouve couramment dans les alliages, les mousses, les émulsions, les solutions sursaturées, etc. Il a été précédemment démontré que, lorsqu'elles sont correctement confinées, ces particules subissent le phénomène dit "d’anti-murissement", conduisant finalement à une configuration d'une particule par pore, associée à l'arrêt du processus. Dans cette étude, nous explorons quantitativement la dynamique de murissement d'une mousse liquide confinée dans les pores d'un empilement de grains sphériques, où la taille des grains a été ajustée pour modifier le degré de confinement. Nous observons que, mis à part la configuration finale associée à l'arrêt du murissement, plus ce système est confiné dans de petits espaces, plus le murissement se produit rapidement. De plus, l'élargissement de la distribution de taille des particules a un effet opposé à celui observé pour les systèmes non confinés. Ce comportement inattendu résulte du couplage entre le liquide piégé à la surface des grains et la fraction volumique effective de liquide au cœur des pores.</p>
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