ʻO nā waiwai o ka pahu alumini a me kāna mau noi i kēia manawa i ka ʻoihana kūkulu
Aluminum Foam He kiʻekiʻe ka wela, a ʻaʻole heheʻe ma ka helu heheʻe o ka huila. ʻO ka pae wela hoʻoheheʻe no nā alumini alumini maʻamau ma waena o 560 ~ 700 ℃, akāpahu aluminiʻaʻole heheʻe ʻoiai ke wela a 1400 ℃. Eia kekahi, ʻaʻole ia e hoʻokuʻu i nā kinoea ʻino i nā wela kiʻekiʻe, a i nā manawa he nui, hiki iā ia ke hoʻololi i nā resins foamed a me nā huahana asbestos ma ke ʻano he insulation thermal a me ka wela-pale. Mea waiwai.
Hiki i ka pahu alumini ke hoʻopau i ka ikehu kinetic o ka ea i ka wela ma o ka haʻalulu o kona mau paia pore; no laila, hiki ke hoʻohana 'ia e like me ka leo-absorbing panel i ka leo-hoemi linings no alaloa, alahao, subway tunnels, subway stations, hālāwai kūkā, a me ka nui lako lumi. Ma ka hoʻololiʻana i ka mānoanoa o ka papa ea ma hope o ke kani-absorbing panel, hiki ke hoʻomaluʻia ke alapine nui o ka'āpana alumini foam panel's sound absorption coefficient, e hiki ai ke hoʻokumu i nā paneli kani no nāʻano leo likeʻole. Eia kekahi, ʻaʻole e komo nā panela pahu alumini i ka makū; ʻaʻole e emi ka nui o ka hoʻoheheʻe ʻana i ke kani ma nā wahi haʻahaʻa, e lilo ia i mea ʻoi aku ka maikaʻi o ke kani ʻana no ia mau kūlana.
I ka ʻoihana kūkulu hale, pahu alumini loaʻa i ka laulā o nā noi. No ka laʻana, ʻo ka hana ʻana i nā mea hoʻokiʻekiʻe me ka pahu alumini hiki ke hōʻemi nui i ko lākou kaumaha, a laila e hoʻemi ana i ka hoʻohana ʻana i ka ikehu, ʻoiai ʻo ka hoʻokō ʻana i ka ikehu maikaʻi loa o ka pahu alumini e hōʻoia i ka palekana o ka elevator. Inā hoʻohana ʻia ka pahu alumini ma ke ʻano he mea hoʻonaninani, he māmā a ʻoluʻolu hoʻi ia, a hāʻawi pū kekahi i nā hopena ahi a me ke kani.
I ke kūkulu ʻia ʻana, ʻo kekahi mea e pono ai no nā pā pale kiʻekiʻe i hana ʻia mai ka pahu alumini. ʻO kēia ʻano kiʻekiʻe loa o ka pā pale i loaʻa i ka ikehu, ka leo-insulating, a me ka hana wela. Hiki iā ia ke pale i ka hopena o ke kaomi makani ma nā hale kiʻekiʻe, hāʻawi i ka insulation thermal a me ka hoʻohaʻahaʻa leo, a hoʻomaikaʻi i ka hōʻoluʻolu. Ka thermal conductivity o pahu alumini ʻAʻole pili wale i kona porosity akā i ka hāʻawi ʻana i kāna pores, me ka mea hope e pāʻani ana i kahi kuleana nui. Inā hoʻolōʻihi ʻia nā pūnaewele puaʻa i ka ʻaoʻao o ke kahe ʻana o ka wela, e piʻi aʻe ko lākou hiki ke keʻakeʻa i ke kahe o ka wela, a hiki ke ʻike ʻia kahi "pā pale pale wela kiʻekiʻe" ma muli o ka hoʻopili ʻana i kēlā ʻaoʻao, e lilo ia i mea hoʻohiki maikaʻi loa.
