Hariho ubwoko bwinshi bwikirahure kumasoko, usibye kwitondera cyane kuriimikorere yumutekano yikirahure, amaso yabantu benshi nayo yibanze kurikuzigama ingufu z'ikirahure, reka twumve uburyo bwo guhitamo ikirahuri kibereye cyo gushiraho no gukoresha mubice bitandukanye byikirere?
Ibipimo byo kuzigama ingufu byikirahure bifite ibipimo bibiri, igicucu cya coefficient SC igicucu nigiciro cyo kohereza ubushyuhe K agaciro, nikihe muri ibyo bipimo byombi mugutanga umusanzu wo kubaka ingufu biterwa nikirere cy’inyubako muri kariya gace, ariko kandi biterwa ku mikoreshereze yimirimo yo kubaka.
SC: Coefficient de Shading, bivuga ikigereranyo cyogukwirakwiza izuba kwikirahure hamwe nikirahure cya 3mmikirahuri gisanzwe kibonerana.(Agaciro keza ka GB / T2680 ni 0,889, naho amahame mpuzamahanga ni 0.87) yo kubara, SC = SHGC ÷ 0.87 (cyangwa 0.889).Nkuko izina ribigaragaza, nubushobozi bwikirahure guhagarika cyangwa kurwanya ingufu zizuba, kandi coefficient SC igicucu cyikirahure cyerekana ihererekanyabubasha ryimirasire yizuba ikoresheje ikirahure, harimo nubushyuhe binyuze mumirasire yizuba nubushyuhe butaziguye kumurika mucyumba nyuma yikirahure gikurura ubushyuhe.Agaciro ka SC gasobanura ko ingufu nke zizuba zikwirakwizwa mubirahure.
K agaciro: ni coefficente yubushyuhe bwibice byikirahure, bitewe no guhererekanya ubushyuhe bwikirahure no gutandukanya ubushyuhe bwo murugo no hanze, umwuka wakozwe mukwirakwiza ikirere.Ibice byayo byabongereza ni: Ibice byubushyuhe bwabongereza kuri metero kare kumasaha kuri Fahrenheit.Mubihe bisanzwe, munsi yubushyuhe butandukanye hagati yimpande zombi yikirahure cya vacuum, ubushyuhe bwimuriwe kurundi ruhande mugihe cyumwanya unyuze mukarere.Ibipimo bya K agaciro ni W /㎡· K.Coefficient de transfert ntabwo ijyanye nibikoresho gusa, ahubwo nibikorwa byihariye.Ikizamini cy’agaciro k’Ubushinwa gishingiye ku gipimo cy’Ubushinwa GB10294.Ikizamini cyagaciro k’iburayi K gishingiye ku gipimo cy’iburayi EN673, naho ikizamini cy’agaciro U gishingiye kuri Amerika gishingiye ku gipimo cy’Abanyamerika ASHRAE, naho igipimo cy’Abanyamerika ASHRAE kigabanya imiterere y’ibizamini bya U mu gihe cy'itumba n'izuba.
Igishushanyo mbonera cyo kubungabunga ingufu zubaka zitanga igipimo cyerekana inzugi na Windows cyangwaumwenda w'ikirahureinkuta ukurikije uturere dutandukanye.Hashingiwe ku guhura niki cyerekezo, ikirahuri gifite igicucu cyo hasi cya coefficient ya SC kigomba gutoranywa mubice aho ingufu zikoresha ikirere zikoresha igice kinini.Kurugero, mubice bifite impeshyi nubushyuhe bwinshi, ubushakashatsi bwerekana ko gukoresha ingufu ziterwa nimirasire yizuba bingana na 85% byingufu zikoreshwa buri mwaka muri kano karere.Ingufu zikoreshwa mubushyuhe bwo gutandukanya ubushyuhe zingana na 15% gusa, biragaragara rero ko agace kagomba kwagura igicucu kugirango kibone ingaruka nziza zo kuzigama ingufu.
Uturere dufite igice kinini cyo gukoresha ingufu zikoresha ubushyuhe bugomba guhitamo ikirahure hamwe na coefficient yohereza ubushyuhe buke, nkuturere dukonje hamwe nigihe gito cyizuba, igihe cyitumba kirekire nubushyuhe buke bwo hanze, insulasiyo yabaye ivuguruzanya nyamukuru, kandi agaciro ka K korohereza cyane kuzigama ingufu.Mubyukuri, uko akarere kaba kameze kose, agaciro ka K ntagushidikanya ko aribyiza, ariko kugabanya agaciro ka K nabyo ni ikiguzi, niba kibara igice gito cyintererano yo kuzigama ingufu ntigomba gukurikirana, byanze bikunze, ntutange amafaranga kubusa.
Twakwanzura ko agaciro ka K kagabanutse, niko imikorere myiza yokwirinda, hamwe nintererano yo kubaka ingufu zigenda zigabanuka gahoro gahoro kuva mumajyaruguru ugana mumajyepfo, kandi niba bigomba kuba bike bishobora gutekerezwa ukurikije ibiciro byateganijwe hashingiwe kuri kuzuza ibisabwa mu bipimo byo kubungabunga ingufu.Hasi ya coefficient SC igicucu ni, ni ingirakamaro mu kuzigama ingufu mu cyi, ariko byangiza kuzigama ingufu mu gihe cy'itumba.Hariho inzitizi nyinshi zijyanye no kumenya niba inyubako zo guturamo mu gihe cyizuba n’ubukonje bukonje n’inyubako rusange ahantu hakonje hagomba kuba izuba ryinshi, rishobora gusesengurwa ukurikije imikorere y’inyubako, kandi ibyiza bikaruta ibibi.
Nubwo agaciro ka SC kari hasi, nubushobozi bukomeye bwo izuba, niko imikorere myiza yo guhagarika imirasire yizuba yizuba mubyumba.Ariko, niba ukurikiranye buhumyi agaciro ka SC agaciro, urumuri ruke runyuze, urumuri ruto rwo mu nzu, ikirahure cyijimye.Kubwibyo, dukwiye kandi gutekereza ku ngaruka ziterwa hamwekumurika, ingano,urusakunibindi bice kugirango babone ibirahuri byabo bizigama ingufu.
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Igihe cyoherejwe: Nyakanga-14-2023