IFAN Hoobkas 30+ xyootsim kev pab txhawb xim / loj customization txhawb dawb qauv.Zoo siab txais tos los tham rau catalog thiab dawb kuaj.Qhov no yog peb FacebookLub Vev Xaib: www.facebook.com, Nyem rau saib IFAN cov khoom video.Piv nrog cov khoom Tomex, peb cov khoom IFAN los ntawm cov khoom zoo rau tus nqi yog qhov koj xaiv zoo tshaj plaws, txais tos mus yuav!
Taw qhia
Polypropylene Random Copolymer (PPR) cov kav dej tau siv dav hauv cov kav dej thiab cua sov vim lawv qhov tshwj xeeb thermal thiab mechanical zog. Kev nkag siab txog kev ua haujlwm thermal thiab thermal conductivity ntawm PPR kav dej yog qhov tseem ceeb rau lawv cov kev siv tau zoo nyob rau hauv ib puag ncig uas muaj qhov sib txawv ntawm qhov kub thiab txias. Kab lus no qhia txog cov khoom siv thermal ntawm PPR, nws cov thermal conductivity, thiab qhov cuam tshuam rau nws siv hauv ntau daim ntawv thov.
Thermal Properties ntawm PPR
Siab Thermal Resistance
PPR cov kav dej muaj qhov ua haujlwm siab thermal, uas ua rau lawv haum rau ob qho tib si dej kub thiab dej txias. Cov khoom muaj peev xwm tiv taus qhov kub thiab txias yam tsis muaj qhov cuam tshuam loj yog ib qho ntawm nws qhov zoo tshaj plaws. PPR tuaj yeem tiv taus kub txog 95 degree (203 degree F) rau lub sijhawm ntev, ua rau nws zoo tagnrho rau kev faib dej kub thiab cua sov.
Tsawg Thermal Expansion
Lwm cov cuab yeej thermal tseem ceeb ntawm PPR yog nws cov coefficient qis ntawm thermal expansion. Piv rau cov kav hlau hlau, PPR cov kav dej nthuav dav thiab cog lus tsawg dua nrog kev hloov pauv kub. Cov yam ntxwv no txo qhov kev pheej hmoo ntawm cov yeeb nkab deformation thiab kev sib koom ua tsis tiav los ntawm thermal cycling, ua kom lub neej ntev thiab kev ntseeg siab ntawm cov kav dej.
Thermal conductivity ntawm PPR
Kev txhais thiab qhov tseem ceeb
Thermal conductivity yog ib qho kev ntsuas ntawm cov khoom muaj peev xwm ua kom sov. Rau PPR, cov thermal conductivity kuj tsawg, feem ntau nyob ib ncig ntawm 0.24 W/m·K. Qhov no thermal conductivity tsawg txhais tau hais tias cov kav dej PPR tsis muaj txiaj ntsig ntawm kev hloov hluav taws xob, uas tuaj yeem ua tau zoo lossis tsis zoo nyob ntawm daim ntawv thov.
Qhov zoo ntawm Tsawg Thermal Conductivity
Qhov qis thermal conductivity ntawm PPR kav dej muab ntau yam txiaj ntsig:
1. Rwb thaiv tsev Efficiency: PPR kav dej ua raws li cov insulators, tswj qhov kub ntawm cov kua dej nyob rau hauv lub sij hawm ntev. Cov cuab yeej no tshwj xeeb tshaj yog muaj txiaj ntsig zoo hauv cov dej kub, qhov kub poob qis, ua rau kev txhim kho lub zog.
2. Kev nyab xeeb: Hauv kev siv cua sov, sab nrauv ntawm cov kav dej PPR tseem txias dua piv rau cov kav hlau, txo qhov kev pheej hmoo ntawm kev kub nyhiab thaum sib cuag.
3. Kev Tiv Thaiv Condensation: Hauv cov dej txias, cov thermal conductivity tsawg pab tiv thaiv kom tsis txhob muaj qhov sib txawv ntawm cov kav dej, uas tuaj yeem ua rau dej puas thiab pwm loj hlob.
Kev cuam tshuam ntawm thermal conductivity ntawm daim ntawv thov
Cov kav dej thiab dej kub
Hauv cov kav dej, tshwj xeeb tshaj yog cov dej kub, cov khoom siv hluav taws xob ntawm PPR cov kav dej txo cov cua sov, kom ntseeg tau tias cov dej nyob ntawm qhov xav tau kub kom txog thaum nws ncav cuag qhov kev siv. Qhov kev ua tau zoo no tuaj yeem ua rau kev txuag hluav taws xob tseem ceeb thiab txhim kho kev ua haujlwm ntawm cov cua sov.
Cov cua sov hauv qab
PPR cov kav dej kuj tseem siv rau hauv cov cua sov hauv qab, qhov twg lawv cov thermal conductivity tsawg pab tswj kom muaj kev sib luag thiab tswj cov cua sov thoob plaws hauv pem teb. Qhov no ua rau muaj kev nplij siab thiab txawm tias cua sov tso tawm, txhim kho tag nrho cov txiaj ntsig ntawm cov cua sov.
Cov ntawv thov kev lag luam
Hauv cov chaw tsim khoom, cov khoom siv thermal ntawm PPR cov kav dej yog leveraged rau kev thauj cov tshuaj thiab cov kua dej ntawm ntau qhov kub thiab txias. Cov khoom siv tsis zoo rau thermal degradation thiab thermal conductivity tsawg ua rau nws tsim nyog rau cov ntawv thov uas yuav tsum tau ua kom sov sov thiab txo kev siv zog.
Kev Sib Tw thiab Kev Txom Nyem
Thaum tshav kub kub Resistance txwv
Thaum PPR cov kav dej tuaj yeem tswj tau qhov kub thiab txias, qhov ntev ntev ntawm qhov kub siab tshaj lawv qhov txwv tuaj yeem ua rau cov khoom degradation. Txhawm rau txo qhov no, cov txheej txheem rwb thaiv tsev kom zoo thiab kev tswj xyuas cua sov yuav tsum tau ua haujlwm hauv cov ntawv thov kub.
Thermal Expansion Management
Txawm hais tias PPR muaj qhov coefficient tsawg ntawm thermal expansion, nws yog ib qho tseem ceeb kom haum rau txhua qhov kev nthuav dav uas tshwm sim. Qhov no tuaj yeem tswj tau los ntawm kev siv cov pob qij txha nthuav dav thiab ua tib zoo tsim cov txheej txheem los tiv thaiv kev ntxhov siab ntawm cov kav dej thiab cov pob qij txha.
Xaus
PPR kav dej muaj kev ua haujlwm zoo thermal thiab tsis tshua muaj thermal conductivity, ua rau lawv tsim nyog rau ntau yam kev siv, suav nrog cov kav dej, cua sov, thiab kev lag luam. Lawv muaj peev xwm tiv taus qhov kub thiab txias, ua ke nrog lawv cov khoom insulating, ua kom muaj txiaj ntsig zoo thiab txhim khu kev qha hauv cov tshuab uas tswj qhov kub thiab txias yog qhov tseem ceeb. Kev nkag siab thiab siv cov khoom siv thermal no tso cai rau cov kws tsim khoom thiab cov neeg tsim qauv los txhim kho kev siv cov kav dej PPR, ua kom cov kav dej kav ntev thiab ua haujlwm zoo. Los ntawm kev daws cov teeb meem uas muaj peev xwm thiab siv cov kev tiv thaiv tsim nyog, cov txiaj ntsig ntawm PPR cov kav dej tuaj yeem ua tiav tiav, txhim kho kev ua tau zoo thiab kev nyab xeeb ntawm cov tshuab uas lawv tau siv.