Izingubo zokulala ze-ceramic fibre ziyizinto zokuvikela ezidumile ezaziwa ngezakhiwo zazo ezishisayo ezihlukile. Zisetshenziswa kabanzi ezimbonini ezahlukahlukene, okuhlanganisa izindiza, ukukhiqizwa kukagesi, kanye nokukhiqiza, ngenxa yamakhono azo aphezulu. Esinye sezici ezibalulekile ezifaka isandla ekusebenzeni kwazo kahle ukuhanjiswa kwazo kokushisa okuphansi.
Ukushisa okushisayo kuyisilinganiso sekhono lento yokushisa. Kunjengoba inani lokushisa eligeleza endaweni yeyunithi yento ethile ngeyunithi yesikhathi ngomehluko wokushisa kweyunithi ngayinye. Ngamagama alula, ukushisa okushisayo kunquma ukuthi into ingadlulisa kahle kangakanani amandla okushisa.
Izingubo zokulala ze-ceramic zine-thermal conductivity ephansi kakhulu, okuyisicelo sokuvikela ukushisa esifiselekayo. I-thermal conductivity ephansi yalezi zingubo zokulala ibangelwa kakhulu ukwakheka kwesakhiwo esiyingqayizivele sezintambo ze-ceramic.
Imicu ye-ceramic yenziwe ngengxube yezinto ze-alumina ne-silica, ezinokushisa okuphansi ngokwemvelo. Le micu incane futhi ilula, inesilinganiso esiphakeme, okusho ukuthi ubude bayo bukhulu kakhulu kunobubanzi bayo. Lesi sakhiwo sivumela umoya omningi kanye nezikhala ngaphakathi kwengubo, ezisebenza njengezithiyo zokushisa futhi zivimbele ukudluliselwa kokushisa.
Ukushisa kwengubo yefayibha ye-ceramic kungahluka kuye ngohlobo oluthile kanye nokwakheka kwengubo, kanye nobuningi bayo. Ngokuvamile, ukushisa kwengubo yefayibha ye-ceramic kuhluka kusuka ku-0.035 kuya ku-0.08 W/m·K. Lolu hlu lubonisa ukuthi izingubo zokulala ze-ceramic fibre zinezakhiwo ezinhle kakhulu zokuvikela ukushisa, njengoba zine-conductivity ephansi kakhulu yokushisa uma kuqhathaniswa nezinye izinto zokuvikela ukushisa ezivamile njenge-fiberglass noma uboya bedwala.
Ukushisa okuphansi kwe-conductivityizingubo zokulala zefayibha yobumbainikeza izinzuzo eziningana ekusetshenzisweni. Okokuqala, kusiza ekunciphiseni ukulahleka noma ukukhuphuka kokushisa, kuqinisekisa ukusebenza kahle kwamandla ezinqubweni zezimboni kanye nezakhiwo. Ngokuvimbela ukudluliselwa kokushisa, izingubo zokulala ze-ceramic fiber zisiza ekugcineni indawo ezinzile nelawulwayo inciphisa amandla adingekayo ekushiseni noma ekupholiseni indawo.
Ngaphezu kwalokho, ukuhanjiswa okuphansi kokushisa kwezingubo zobumba kunegalelo ekumelaneni kwazo okuhle kakhulu namazinga okushisa aphezulu. Lezi zingubo zingamelana namazinga okushisa afinyelela ku-2300°F (1260)°C) ngenkathi zigcina ubuqotho besakhiwo sazo kanye nezakhiwo zokuvikela. Lokhu kwenza kube kuhle kakhulu ekusetshenzisweni okuhilela izindawo ezishisa kakhulu, njengezindwangu zesithando noma isithando somlilo.
Isikhathi sokuthunyelwe: Disemba-06-2023
