Lub ntsiab lus ntawm thermal conductivity: Nws feem ntau yog sawv cev los ntawm cov cim "λ", thiab chav tsev yog: Watt / meter · degree (W / (m·K), qhov twg K tuaj yeem hloov tau los ntawm ℃. Thermal conductivity (tseem hu ua thermal. conductivity los yog thermal conductivity) yog ib qho kev ntsuas ntawm thermal conductivity ntawm ib yam khoom Nws characterizes lub thermal conductivity ntawm cov khoom nyob rau hauv ruaj khov thaum tshav kub kub hloov tej yam kev mob (nyob rau hauv ruaj khov tshav kub hloov tej yam kev mob, cov khoom ntawm 1 meter thickness, nrog ib tug kub sib txawv. ntawm 1 degree ntawm ob sab, hloov cov cua sov los ntawm thaj tsam ntawm 1 square meter hauv 1 thib ob). (gas, kua, khoom) thiab tej yam kev mob (kub, siab, humidity, thiab lwm yam) ntawm cov khoom, tus lej, thermal conductivity yog sib npaug zos rau lub tshav kub flux ceev generated los ntawm sab hauv contraction ntawm ib yam khoom. Kev txiav txim ntawm ib chav tsev gradient Cov khoom sib txawv muaj qhov sib txawv thermal conductivity. Raws li cov ntaub ntawv rwb thaiv tsev muaj kev txhawj xeeb, Qhov siab dua qhov thermal conductivity, qhov ua tau zoo ntawm rwb thaiv tsev. Feem ntau hais lus, cov thermal conductivity ntawm cov khib nyiab yog ntau dua li cov kua, uas yog ntau dua li cov roj.
Tus nqi xauj tsev ntub dej µ yog qhov ntsuas uas ua rau cov khoom muaj peev xwm tiv thaiv dej vapor nkag mus thiab yog qhov tsis muaj qhov ntau. Chav tsev yog m, uas txhais tau hais tias nws yog sib npaug rau cov dej vapor permeability ntawm huab cua ntawm m. Nws piav qhia txog kev ua haujlwm ntawm cov khoom siv, tsis yog kev ua haujlwm ntawm cov khoom lossis cov qauv.
Rau cov ntaub ntawv rwb thaiv tsev nrog tib lub thermal conductivity K tab sis txawv µ, qhov siab dua tus nqi µ, qhov nyuaj dua rau cov dej vapor nkag mus rau cov khoom, yog li thermal conductivity nce qeeb dua, thiab ntev dua nws yuav siv sij hawm kom ncav cuag kev rwb thaiv tsev tsis ua haujlwm. , thiab lub neej ua haujlwm ntev dua.
Thaum tus nqi µ qis dua, cov thermal conductivity nce mus txog qhov tsis ua hauj lwm tus nqi hauv lub sij hawm luv dua vim qhov nkag mus sai ntawm cov dej vapor. Yog li ntawd, tsuas yog ib tug tuab tsim thickness yuav ua tau tib yam kev pab cuam lub neej raws li high µ cov ntaub ntawv nqi.
Cov khoom lag luam Jinfulai siv cov khoom siv ntub dej ntub dej kom ntseeg tau tias cov thermal conductivity ruaj khov, yog li cov thinner thawj thickness tuaj yeem ua kom muaj kev pab cuam lub neej.
Dab tsi yog qhov kev sib raug zoo ntawm thermal conductivity thiab ntub nqi xauj tsev ntawm cov khoom siv rwb thaiv tsev?
Lub ntsiab lus ntawm thermal conductivity: Nws feem ntau yog sawv cev los ntawm cov cim "λ", thiab chav tsev yog: Watt / meter · degree (W / (m·K), qhov twg K tuaj yeem hloov tau los ntawm ℃. Thermal conductivity (tseem hu ua thermal. conductivity los yog thermal conductivity) yog ib qho kev ntsuas ntawm thermal conductivity ntawm ib yam khoom Nws characterizes lub thermal conductivity ntawm cov khoom nyob rau hauv ruaj khov thaum tshav kub kub hloov tej yam kev mob (nyob rau hauv ruaj khov tshav kub hloov tej yam kev mob, cov khoom ntawm 1 meter thickness, nrog ib tug kub sib txawv. ntawm 1 degree ntawm ob sab, hloov cov cua sov los ntawm thaj tsam ntawm 1 square meter hauv 1 thib ob). (gas, kua, khoom) thiab tej yam kev mob (kub, siab, humidity, thiab lwm yam) ntawm cov khoom, tus lej, thermal conductivity yog sib npaug zos rau lub tshav kub flux ceev generated los ntawm sab hauv contraction ntawm ib yam khoom. Kev txiav txim ntawm ib chav tsev gradient Cov khoom sib txawv muaj qhov sib txawv thermal conductivity. Raws li cov ntaub ntawv rwb thaiv tsev muaj kev txhawj xeeb, Qhov siab dua qhov thermal conductivity, qhov ua tau zoo ntawm rwb thaiv tsev. Feem ntau hais lus, cov thermal conductivity ntawm cov khib nyiab yog ntau dua li cov kua, uas yog ntau dua li cov roj.
Tus nqi xauj tsev ntub dej µ yog qhov ntsuas uas ua rau cov khoom muaj peev xwm tiv thaiv dej vapor nkag mus thiab yog qhov tsis muaj qhov ntau. Chav tsev yog m, uas txhais tau hais tias nws yog sib npaug rau cov dej vapor permeability ntawm huab cua ntawm m. Nws piav qhia txog kev ua haujlwm ntawm cov khoom siv, tsis yog kev ua haujlwm ntawm cov khoom lossis cov qauv.
Rau cov ntaub ntawv rwb thaiv tsev nrog tib lub thermal conductivity K tab sis txawv µ, qhov siab dua tus nqi µ, qhov nyuaj dua rau cov dej vapor nkag mus rau cov khoom, yog li thermal conductivity nce qeeb dua, thiab ntev dua nws yuav siv sij hawm kom ncav cuag kev rwb thaiv tsev tsis ua haujlwm. , thiab lub neej ua haujlwm ntev dua.
Thaum tus nqi µ qis dua, cov thermal conductivity nce mus txog qhov tsis ua hauj lwm tus nqi hauv lub sij hawm luv dua vim qhov nkag mus sai ntawm cov dej vapor. Yog li ntawd, tsuas yog ib tug tuab tsim thickness yuav ua tau tib yam kev pab cuam lub neej raws li high µ cov ntaub ntawv nqi.
Kingflex cov khoom siv cov khoom siv ntub dej ntub dej kom ntseeg tau tias cov thermal conductivity ruaj khov, yog li cov thickness thawj zaug tuaj yeem ua kom muaj kev pab cuam lub neej.
Yog tias koj muaj lwm yam lus nug, thov hu rau pab pawg Kingflex.
Post lub sij hawm: Jan-19-2025
