Lub qhov rooj yog dab tsi?

Thaum nws los txog rau lub qhov rooj tsim thiab tsim, lo lus "qhov rooj tseem ceeb" ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab lub qhov rooj lub zog, ua haujlwm ntev, thiab kev ua haujlwm tag nrho. Lub qhov rooj tseem ceeb yog hais txog cov qauv sab hauv ntawm lub qhov rooj, uas feem ntau yog sandwiched ntawm cov txheej txheej sab nrauv lossis cov tawv nqaij. Qhov rooj cores tuaj yeem tsim los ntawm ntau yam khoom siv, txhua qhov muaj cov txiaj ntsig sib txawv thiab cov khoom siv.

Muaj ntau hom qhov rooj cores, xws li honeycomb, polystyrene, polyurethane thiab cov khoom ntoo. Honeycomb cores yog lub teeb yuag, muaj zog thiab pheej yig. Ua los ntawm ib daim duab los yog ntawv honeycomb qauv sandwiched ntawm ob txheej txheej, honeycomb cores yog qhov zoo tagnrho rau cov qhov rooj sab hauv qhov hnyav thiab tus nqi yog kev txhawj xeeb.

Polystyrene thiab polyurethane cores muaj cov thermal rwb thaiv tsev zoo heev, ua rau lawv zoo tagnrho rau cov qhov rooj sab nrauv. Cov cores no tau ntim nrog npuas dej, uas tsis yog tsuas yog txhim kho lub zog ua haujlwm, tab sis kuj muab lub suab rwb thaiv tsev. Khoom ntoo cores, ntawm qhov tod tes, paub tias muaj zog thiab ruaj khov, thiab feem ntau siv rau hauv cov qhov rooj siab. Lawv muaj kev ruaj ntseg zoo heev thiab ua haujlwm ntev, ua rau lawv muaj kev xaiv nrov rau lub qhov rooj nkag.

Qhov kev xaiv ntawmqhov roojmuaj kev cuam tshuam zoo rau lub qhov rooj rwb thaiv tsev, suab rwb thaiv tsev, thiab kev nyab xeeb. Piv txwv li, piv nrog cov qhov rooj hollow, cov qhov rooj nrog cov khoom siv ntoo muaj qhov cuam tshuam ntau dua thiab muaj suab nrov zoo dua.

Hauv kev xaus, to taub dab tsi aqhov roojyog thiab ntau hom muaj tuaj yeem pab cov tswv tsev thiab cov neeg tsim kho kom paub txog kev txiav txim siab thaum xaiv lub qhov rooj rau lawv qhov chaw. Txawm hais tias qhov tseem ceeb yog kev siv hluav taws xob zoo, lub suab rwb thaiv tsev, lossis kev ruaj ntseg, lub qhov rooj tseem ceeb yog qhov tseem ceeb ntawm txoj kev xaiv lub qhov rooj uas yuav tsum tsis txhob saib xyuas.