Dị ka nkọwa nke ọkọlọtọ mba GB 19092-2009 si kwuo, uwe nchebe ahụike bụ uwe ọkachamara emebere iji nye ihe mgbochi na nchebe maka ndị ọrụ ahụike mgbe ha na-akpakọrịta na ọbara ndị ọrịa nwere ike ibute ọrịa, mmiri ahụ, ihe nzuzo na ụmụ irighiri ikuku na-arụ ọrụ. Enwere ike ịsị na "ọrụ mgbochi" bụ isi usoro index nke uwe nchebe ahụike, dị ka mgbochi permeability, mgbochi synthetic ntinye ọbara, nguzogide mmiri mmiri, mmetụta nzacha (ihe mgbochi na-abụghị mmanu mmanu), wdg.
Ihe na-egosi ntakịrị ihe na-adịghị ahụkebe bụ ike iru mmiri, ihe nleba anya n'ikike uwe nwere ịbanye n'ụfu mmiri. N'okwu dị mfe, ọ bụ iji nyochaa ikike nke uwe nchebe iji gbasaa uzuoku si n'ahụ mmadụ. Ka ukwuu nke mmiri permeability nke uwe nchebe, nsogbu nke ntachi na ọsụsọ nwere ike belata nke ukwuu, nke na-eme ka ndị ọrụ ahụike dị mma.
Otu nguzogide, otu obere, site n'ókè ụfọdụ, na-emegide ibe ya. The mma nke ihe mgbochi ike nke nchebe uwe na-emekarị àjà akụkụ nke penetration ike, otú iji nweta ịdị n'otu nke abụọ, nke bụ otu n'ime ihe mgbaru ọsọ nke ugbu a enterprise nnyocha na mmepe, na-na mbụ nzube nke mba ọkọlọtọ. GB 19082-2009. Ya mere, n'ọkọlọtọ, a na-akọwapụta mmiri permeability nke ihe mkpuchi mkpuchi ahụike: ọ bụghị ihe na-erughị 2500g / (m2 · 24h), a na-enyekwa usoro nyocha.
Nhọrọ nke ọnọdụ nnwale mmiri permeability maka uwe nchebe ahụike
Dị ka onye na-anwale ahụmahụ na metụtara akwụkwọ nnyocha pụta, na mmiri permeability nke ọtụtụ ákwà ihu ọma na-abawanye na-abawanye nke okpomọkụ; Mgbe okpomọkụ na-adịgide adịgide, mmiri permeability nke ákwà na-ebelata na mmụba nke iru mmiri. Ya mere, ike iru mmiri nke ihe nlele n'okpuru otu ọnọdụ ule anaghị anọchi anya ike mmiri nke a tụrụ n'okpuru ọnọdụ ule ndị ọzọ!
Nka na ụzụ chọrọ maka uwe nchebe ahụike GB 19082-2009 Ọ bụ ezie na akọwapụtaghị ihe index chọrọ maka mmiri permeability nke ihe nchekwa nchekwa ọgwụ, akọwapụtaghị ọnọdụ ule. Onye edemede ahụ kwukwara na usoro ule GB/T 12704.1, nke na-enye ọnọdụ ule atọ: A, 38 ℃, 90% RH; B, 23 ℃, 50% RH; C, 20 ℃, 65% RH. Ọkọlọtọ ahụ na-atụ aro na a ga-ahọrọ ọnọdụ nnwale otu A, nke nwere oke iru mmiri dị elu yana ọnụego ntinye ngwa ngwa ma dabara adaba maka ọmụmụ nyocha ụlọ nyocha. N'ịtụle n'ezie ngwa gburugburu nke nchebe uwe, ọ na-atụ aro na eru ulo oru nwere ike tinye a set nke ule n'okpuru 38 ℃ na 50% RH ule ọnọdụ, ka inwale iru mmiri permeability nke nchebe uwe ihe ọzọ comprehensively.
Gịnị bụ mmiri permeability nke ugbu a ọgwụ nchebe uwe
Dị ka ule ahụmahụ na mkpa akwụkwọ dị, na mmiri permeability nke ọgwụ nchebe uwe ihe nke mainstream ihe na owuwu bụ banyere 500g / (m2 · 24h) ma ọ bụ 7000g / (m2 · 24h), ukwuu n'ime lekwasịrị 1000 g / (m2 · 24h) ruo 3000g / (m2 · 24h). Ka ọ dị ugbu a, ka ọ na-agbasawanye ikike imepụta ihe iji gboo ụkọ uwe nchebe ahụike na akụrụngwa ndị ọzọ, ụlọ ọrụ nyocha sayensị ọkachamara na ụlọ ọrụ ahazila uwe ndị ọrụ ahụike maka nkasi obi. Dị ka ihe atụ, okpomọkụ na iru mmiri akara technology nke uwe nchebe mepụtara site Huazhong University of Science and Technology adopts ikuku mgbasa ọgwụgwọ technology n'ime uwe nchebe dehumidify na mezie okpomọkụ, nke mere na-echebe uwe akọrọ na melite nkasi obi nke. ndị ọrụ ahụike.
Oge nzipu: Jan-03-2022
