. .. Démarche-analytique-de-résolution,

3. .. Imprimante,

.. .. Banc-d'essai-de-photothermie,

, 2.2 De la pièce en cru à la pièce finale dense, Procédé utilisé : de la mise en forme à la pièce finale dense

. .. Précurseur-de-sic,

. .. Caractérisations,

. .. Propriétés-thermiques,

. .. Propriétés-mécaniques,

. .. Simulateur-solaire,

, 2.1.3 Détermination de la valeur du flux solaire incident -Calorimétrie

. .. Comparaison, 178 approprié en l'état actuel de THERMIVOX. Ces simulations n'ayant pas encore pour objectif d'optimiser de nouvelles structures

, ) : -0,06 pour la conductivité thermique de l'air (à une température moyenne de l'air à 700 K), 'air, -1000, Concernant les propriétés matériaux, nous les avons prises égales à (d'après

. Le, Après avoir caractérisé le flux solaire incident, les trois structures retenues dans le chapitre 2 ont été testées. Les résultats montrent des performances intéressantes, même si les rendements et les températures de l'air en sortie sont inférieurs aux mousses optimisées. La faible surface volumique de nos structures, qui signifie un faible échange avec l'air, en est sans doute la cause principale. Les calculs thermiques réalisés ensuite sur ces structures permettent d'analyser numériquement le champ de température en leur sein. Plus généralement, cette application solaire étant très large du point de vue des domaines scientifiques sollicités (mathématique, physique, chimie, science des matériaux

. Ainsi, de nouvelles morphologies pourraient être trouvées en utilisant l'optimisation

L. Sic,

, Une structure composée de plusieurs matériaux (transparents, semi-transparents et/ou opaques) serait aussi une possibilité. Par exemple, une structure composée d'un matériau transparent dans les premiers centimètres, puis d'un autre semi-transparent plus en profondeur et enfin d'un matériau opaque en face arrière faciliterait une absorption uniforme en profondeur du flux solaire

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