Thaum tib neeg mob siab rau qhov chaw nyob hauv tsev ntau dua thiab ntau dua, cov ntaub ntawv nqus suab, ua ib txoj hauv kev tseem ceeb los txhim kho qhov chaw nyob hauv tsev, tau siv dav hauv ntau lub tsev, tsheb, thiab tshuab. Yog li, lub hauv paus ntsiab lus ntawm cov ntaub ntawv nqus suab yog dab tsi?
Lub suab-absorbing txoj cai ntawm cov ntaub ntawv suab-absorbing tuaj yeem raug ntaus nqi rau ob hom: cua impedance hom thiab pore impedance hom. Ob lub ntsiab cai no yuav piav qhia hauv qab no.
Ua ntej, huab cua impedance hom suab-absorbing khoom
Cua impedance hom suab-absorbing cov ntaub ntawv siv cov kev xav thiab kev sib kis ntawm lub suab nthwv dej los ntawm cov roj txheej ntawm cov khoom siv kom ua tiav suab nrov. Tshwj xeeb tshaj yog, thaum lub suab nthwv dej tawm tsam qhov chaw ntawm cov khoom siv suab nrov, lawv cuam tshuam nrog cov roj txheej ntawm cov khoom siv. Ntawd yog, ib feem ntawm lub suab nthwv dej tau cuam tshuam, thiab lwm qhov ntawm lub suab nthwv dej dhau los ntawm cov roj txheej thiab nkag mus rau sab hauv ntawm cov khoom siv suab nrov, thiab tom qab ntawd tsis tu ncua xav txog, txo qis, thiab tawg hauv cov khoom siv, thiab thaum kawg hloov mus rau hauv lub zog hluav taws xob thiab absorbed.
Hauv cov txheej txheem no, qhov impedance ntawm cov roj txheej yog qhov tseem ceeb hauv kev txiav txim siab qhov kev xav thiab kev sib kis ntawm lub suab nthwv dej. Qhov ntau dua qhov sib txawv ntawm qhov impedance ntawm cov roj txheej thiab impedance ntawm huab cua, lub peev xwm ntawm lub suab tsis muaj zog dua los ntawm cov khoom nto, yog li ua tiav lub suab zoo dua. Yog li ntawd, huab cua impedance suab-absorbing cov ntaub ntawv feem ntau siv qee txoj kev kho tshwj xeeb ntawm cov khoom siv, xws li ntxiv cov ntaub ntawv ntxeem tau, txo qhov tawv tawv, ua kom lub ntsej muag roughness, thiab lwm yam, txhawm rau ua kom lub impedance ntawm cov roj txheej, yog li txhim kho lub suab-absorbing nyhuv.
Thib ob, pore impedance hom suab-absorbing cov ntaub ntawv
Pore impedance hom suab-absorbing khoom yog siv cov qauv pore hauv cov khoom ntawm lub suab nthwv dej xav, tawg thiab nqus kom ua tiav suab nrov. Lub hauv paus ntsiab lus ntawm pore impedance suab-absorbing cov ntaub ntawv yog hais tias lub suab tsis tshwm sim nyob rau hauv cov khoom yuav cuam tshuam nrog cov huab cua molecules nyob rau hauv cov khoom, uas ua rau lub siab hloov thiab txav, yog li tsim kev xav, tawg thiab nqus.
Tsis zoo li huab cua-impedance suab-absorbing cov ntaub ntawv, lub suab-absorbing nyhuv ntawm pore-impedance suab-absorbing cov ntaub ntawv muaj feem xyuam rau lub pore qauv ntawm cov khoom. Tshwj xeeb, thaum lub pore txoj kab uas hla loj dua lub suab wavelength, lub suab nthwv dej tuaj yeem nkag mus rau hauv pore, resonance thiab nqus; thiab thaum lub pore txoj kab uas hla me dua lub suab wavelength, lub suab yoj tsis tuaj yeem nkag mus rau sab hauv ntawm lub pore, tab sis tsuas yog nyob rau hauv lub pore nyob ib ncig ntawm lub reflection thiab tawg.
Yog li ntawd, cov ntaub ntawv pore impedance suab-absorbing feem ntau siv qee qhov kev tsim qauv pore tshwj xeeb kom paub txog qhov zoo tshaj plaws suab-absorbing effect . Piv txwv li, qee cov ntaub ntawv pore-impedance suab-absorbing yog ua los ntawm ntau txheej fiber cov ntaub ntawv, thiab cov qauv pore ntawm txhua txheej ntawm fiber yog txawv, kom ua tiav kev nqus ntawm cov suab nthwv dej ntawm ntau zaus. Lwm cov ntaub ntawv pore-impedance suab-absorbing yog ua los ntawm ua npuas ncauj lossis honeycomb qauv, uas siv cov qhov thiab qhov sib txawv ntawm ntau qhov ntau thiab tsawg kom ua tiav cov suab-absorbing effect.
Nws yuav tsum tau muab sau tseg tias lub suab-absorbing nyhuv ntawm huab cua-impedance thiab pore-impedance suab-absorbing cov ntaub ntawv yog cuam tshuam los ntawm ntau yam, xws li cov thickness ntawm cov khoom, ntom, porosity, deg txoj kev kho mob thiab lwm yam. Yog li ntawd, thaum tsim thiab xaiv cov khoom siv suab nrov, nws yog ib qho tsim nyog yuav tsum xav txog cov xwm txheej tshwj xeeb thiab cov kev xav tau, thiab xaiv cov khoom siv suab nrov tshaj plaws.
Ntsiab lus
Lub hauv paus ntsiab lus suab-absorbing ntawm cov ntaub ntawv suab-absorbing tuaj yeem muab faib ua ob hom: huab cua-impedance hom thiab hom pore-impedance. Cua impedance hom suab-absorbing cov ntaub ntawv yog siv cov roj txheej ntawm cov khoom siv los cuam tshuam thiab xa cov suab nrov kom paub txog lub suab nqus, thaum lub qhov dej impedance hom suab-absorbing khoom yog siv cov qauv hauv qhov pore ntawm cov khoom siv los cuam tshuam, tawg thiab nqus suab nthwv dej kom paub txog lub suab nqus. Hauv kev siv tswv yim, nws yog ib qho tsim nyog los xaiv cov khoom siv suab nrov tshaj plaws raws li cov ntawv thov tshwj xeeb thiab cov kev xav tau, thiab tib lub sijhawm, xyuam xim rau qhov cuam tshuam ntawm cov khoom thickness, ntom, porosity, kev kho deg thiab lwm yam ntawm lub suab-absorbing nyhuv.
Yog xav paub ntxiv txog SINOYQX Melamine Foam, thov hu rau peb ntawm [email protected] lossis hu rau peb: + 86-28-8411-1861.
Qee cov duab thiab cov ntawv luam tawm los ntawm Is Taws Nem, thiab cov ntawv pov thawj yog los ntawm tus sau thawj. Yog tias muaj kev ua txhaum cai, thov hu rau peb kom tshem tawm.