Kugabanya ubushyuhe: ubushyuhe bwikiraro cya aluminium alloy profil ya coefficient ni 1.8-3.5W / m2-k, ikaba iri munsi cyane ugereranije na aluminiyumu isanzwe isanzwe 140-170W / m2k; coefficient de transfert yayo ni 3.17-3.59W / m2- k muburyo bw'ikirahure cyuzuye, munsi cyane ugereranije na aluminiyumu isanzwe ya profili ya 6.69-6.84W / m2-k, igabanya neza ubushyuhe bwakozwe mumiryango nubushyuhe bukorwa mumiryango no mumadirishya