N'chifukwa chiyani wochepa thupi makulidwe khoma la thermos chikho

Kuyambira mu 2017, makapu opepuka adayamba kuwonekera pamsika wamadzi, ndipo posakhalitsa, makapu oyezera opepuka kwambiri adayamba kuwonekera pamsika. Kodi kapu yopepuka ndi chiyani? Kodi kapu yoyezera mopepuka kwambiri ndi chiyani?

Kutengera kapu ya 500 ml ya chitsulo chosapanga dzimbiri cha thermos monga chitsanzo, pafupifupi kulemera kwa ukonde wopangidwa malinga ndi miyambo yachikhalidwe ndi pakati pa 220g ndi 240g. Kapangidwe kake kamakhala kofanana ndipo chivindikirocho chimakhala chofanana, kulemera kwa chikho chopepuka kumakhala pakati pa 170g ndi 150g. Kulemera kwa kapu yopepuka kumakhala pakati pa 100g-120g.

Kodi makapu oyezera opepuka komanso opepuka kwambiri amapangidwa bwanji?

Pakalipano, njira zomwe zimatengedwa ndi makampani osiyanasiyana ndizofanana, ndiko kuti, thupi la chikho chomwe chili ndi kulemera kwabwino malinga ndi chikhalidwe cha chikhalidwe chimakonzedwanso kupyolera mu kupatulira. Kutengera kapangidwe ka mankhwala, makulidwe osiyanasiyana owonda amatha kupezeka. Pambuyo pochotsa zinthu zomwe zimadulidwa mozungulira mkati mwazomwe zimaloledwa ndi ndondomekoyi, thupi lomwe lilipo la chikho lidzakhala lopepuka.

Chabwino, tapanga kutchuka kwina kwa makapu opepuka m'mbuyomu. Pakalipano, tikuyankha funso loti chifukwa chiyani kuonda kwa khoma la chikho cha thermos, kumakhala bwino kwambiri kutsekemera. Nkhani zambiri zam'mbuyomu zanenapo za njira yotenthetsera makapu a thermos. Chifukwa chake popeza kutchinjiriza kwamafuta kumatheka kudzera mu vacuum, kodi zikukhudzana bwanji ndi makulidwe a khoma la chikho? Njira yopangira yomweyi ikagwiritsidwa ntchito komanso magawo aukadaulo opukutira ali ofanana ndendende, makulidwe a khoma la kapu ya thermos amatha kutentha mwachangu, ndipo zida zokulirapo za khoma zimakhala ndi voliyumu yayikulu yolumikizana ndi kutentha, kotero kuti kutentha kwapang'onopang'ono kudzatha. kukhala wothamanga. Kutentha kwamphamvu kwa kapu ya thermos yokhala ndi mipanda yopyapyala idzakhala yaying'ono, kotero kuti kutentha kwapakati kumakhala pang'onopang'ono.

Koma funso ili ndi lachibale. Sitinganene kuti chikho cha thermos chokhala ndi khoma lochepa thupi chiyenera kukhala choteteza kwambiri. Ubwino wa kusungunula kumadalira kwambiri paukadaulo waukadaulo wopanga komanso miyezo yoyendetsera kasamalidwe kazinthu. Panthawi imodzimodziyo, si makapu onse amadzi omwe ali oyenera kupota-patulira. Palinso mankhwala okhala ndi mphamvu zazikulu monga mabotolo a 1.5-lita a thermos. Ngakhale mawonekedwe awo atha kukumana ndi kupanga njira yochepetsera zozungulira, sizovomerezeka kugwiritsa ntchito ukadaulo wa spin-thin. Ukadaulo wa spin-woonda ndiwosavomerezeka. Kupatulira makulidwe a khoma kumafunikanso kukhala pamlingo woyenera.

Ngati makulidwe a khoma ndi woonda kwambiri, mphamvu yolimba yomwe imatha kupirira ndiyotsika kuposa mphamvu yoyamwa yomwe imapangidwa ndi vacuuming, ndipo zotsatira zake pang'ono zimakhala kupindika kwa khoma la chikho. Pazifukwa zazikulu, khoma lamkati ndi khoma lakunja lidzagundana wina ndi mzake, kotero kuti mphamvu yotetezera kutentha sichidzatheka. Mphamvu yoyamwa yomwe imapangidwa ndi kapu yayikulu ya thermos kapena kapu ya thermos pambuyo pochotsedwa ndi yayikulu kuposa kapu yamadzi yokhala ndi mphamvu yaying'ono. Khoma la kapu yamadzi yokhala ndi mphamvu yaying'ono yomwe imatha kukhala yokhazikika pambuyo popendekeka imapunduka pa ketulo yamphamvu yayikulu.