Uma kukhulunywa ngomatilasi, wonke umuntu ujwayelene nabo. Omatilasi emakethe kulula ukubathola, kodwa ngikholwa ukuthi abantu abaningi abayinaki kakhulu indwangu yamacansi. Eqinisweni, indwangu yamacansi nayo ingumbuzo omkhulu. Namuhla, umhleli uzokhuluma ngomunye wabo, emva kwakho konke, indwangu ayikwazi ukufingqwa ngamagama ambalwa nje.
Namuhla, umhleli uzokwethula indwangu enomphumela ongangeni manzi kuyoizindwangu zamacansi.
Iyini indwangu ye-hydrophobic?
Indwangu engenamanzi - ngokwezwi nezwi, kusho ukuvimbela amanzi ukuthi angangeni ukusuka kolunye uhlangothi lwendwangu kuya kolunye. Iwuhlobo olusha lwendwangu yendwangu, eyakhiwe nge-polymer engangeni manzi futhi impahla ephefumulayo (ifilimu ye-PTFE) ehlanganiswe nendwangu eyinhlanganisela yendwangu.
Kungani kungangenwa amanzi?
Namuhla, izindwangu eziningi ze-mattress azikwazi ukungena emanzini, amanzi amancane kuphela anamathele kumatilasi, azongena kuwo ngemva kwesikhashana, anikeze indawo yokuhlala enhle yamabhaktheriya nezibungu. Futhi ezindwangu ezingenamanzi, isimo esinjalo besingeke sitholakale. Isimiso saso siwukuthi esimweni somphunga wamanzi, izinhlayiya zamanzi zincane kakhulu, futhi ngokuvumelana nesimiso sokunyakaza kwe-capillary, zingangena ngokushelelayo ku-capillary ngakolunye uhlangothi, okuholela esimweni sokungena. Lapho umhwamuko uhlangana ube amaconsi amanzi, izinhlayiya ziba zinkulu. Ngenxa yokuqina kwamaconsi amanzi (ama-molecule amanzi ayadonsa futhi amelane), ama-molecule amanzi awakwazi ukuhlukana kahle namaconsi amanzi futhi angene ngaphesheya, okuvimbela ukungena kwamanzi futhi enze ulwelwesi oluphefumulayo lungangeni manzi. IIndwangu engalukiwe ye-spunbondekhiqizwa uLiansheng nayo inomphumela ongangenisi amanzi futhi isetshenziswa kabanzi ekukhiqizeni izikhwama zasentwasahlobo kumatilasi. Ishibhile futhi ihlala isikhathi eside.
Yiziphi izici eziyinhloko zezindwangu ezingangeni manzi?
Imisebenzi eyinhloko yezindwangu ezingangeni manzi ihlanganisa ukuvimbela amanzi, ukungena komswakama, ukuphefumula, ukufakwa kwe-insulation, nokumelana nomoya. Mayelana nobuchwepheshe bokukhiqiza, izidingo zobuchwepheshe zezindwangu ezingangeni manzi neziphefumulayo ziphakeme kakhulu kunezindwangu ezijwayelekile ezingangeni manzi; Ngesikhathi esifanayo, ngokwekhwalithi, izindwangu ezingenamanzi neziphefumulayo nazo zinezici zokusebenza ezingenawo ezinye izindwangu ezingenamanzi. Izindwangu ezingangeni manzi neziphefumulayo azigcini nje ngokuthuthukisa umoya nokuqina kwamanzi kwendwangu, kodwa futhi zinokuphefumula okuyingqayizivele. Bangakwazi ukuxosha ngokushesha umhwamuko wamanzi ngaphakathi kwesakhiwo, bagweme ukukhula kwesikhunta, futhi bagcine umzimba womuntu womile njalo. Baxazulula ngokuphelele izinkinga zokuphefumula, ukumelana nomoya, ukuvinjelwa kwamanzi, nokufudumala, okwenza kube uhlobo olusha lwendwangu enempilo futhi enobungani bemvelo.
Umatilasi uyinto yokulala ebalulekile ekuphileni kwethu kwansuku zonke. Uma kukhona izingane ezikhuthele kakhulu ekhaya, ungacabangela ukuthenga umatilasi owenziwe ngendwangu engangeni manzi ukuze uwusebenzise emuva, okungase kunciphise izinkinga eziningi empilweni yakho.
Indlela yokuxosha amanzi
1. Ifomula kaYang
Iconsi loketshezi liwela endaweni eqinile, kucatshangwa ukuthi ingaphezulu liyisicaba, amandla adonsela phansi amaconsi agxiliswe endaweni ethile, futhi inani ensimini lishaywa indiva. Ngenxa yokusebenzisana phakathi kwe-surface tension (Ys) yamafayibha endwangu, i-surface tension (YL) yoketshezi, kanye ne-interfacial tension (YLS) yezixhumi, amaconsi azokwakha izimo ezihlukahlukene (kusuka ku-cylindrical kuya ku-flat ngokuphelele). Uma ithonsi eliwuketshezi lilingana endaweni eqinile, iphoyinti A lingaphansi komphumela wamandla adonsela phansi ahlakazekile, ngaphandle kokulinganisa okuphelele.
I-engeli engu-0 ibizwa ngokuthi i-engeli yokuthintana, Lapho 0= Ngehora le-00, ithonsi eliwuketshezi limanzisa indawo eqinile esikrinini sikakotini, okuyisimo esilinganiselwe sendawo eqinile emanziswa insimu. Uma i-0=1800, i-droplet ewuketshezi iba yi-cylindrical, okuyisimo esifanelekile sokungamanzi. Ekuqedeni okuxosha amanzi, ukungezwani okungaphezulu kweconsi eliwuketshezi kungathathwa njengokungaguquki. Ngakho-ke, ukuthi insimu ingakwazi ukumanzisa indawo eqinile ilingana nokushuba kokudluliselwa kweqabunga le-lotus elifile endaweni eqinile ebhange. Kuthiwa i-engeli enkulu yokuxhumana engu-0 ivuna kakhulu i-Rolling droplet yamanzi, okusho ukuthi elincane lingcono.
2. Umsebenzi wokunamathisela izindwangu
Ngenxa yokuthi i-Ys ne-YLS ayinakulinganiswa ngokuqondile, i-engeli yokuxhumana engu-0 noma i-cos0 ivamise ukusetshenziselwa ukuhlola ngokuqondile izinga lokumanzisa. Kodwa-ke, i-engeli yokuxhumana ayiyona imbangela yokumanzisa, futhi umphumela wangempela ngakho-ke ipharamitha emele umsebenzi wokunamathela kanye nokuxhumana phakathi kwabo, kanye nezinga lokumanzisa.
Kokubili i-YL ne-cos0, emele umsebenzi wokunamathisela, ingalinganiswa, ngakho isibalo sinokubaluleka okungokoqobo. Ngokufanayo, umsebenzi odingekayo ukuhlukanisa i-droplet ewuketshezi endaweni yeyunithi ngayinye kusixhumi esibonakalayo sibe amaconsi amabili ngu-2YL, okungabhekiselwa kuwo njengomsebenzi ohlangene woketshezi. Kusukela kufomula, kungabonakala ukuthi njengoba umsebenzi wokunamathela ukhula, i-angle yokuxhumana iyancipha. Lapho umsebenzi wokunamathela ulingana nomsebenzi ohlangene, okungukuthi, i-angle yokuxhumana ingu-zero. Lokhu kusho ukuthi uketshezi luyisicaba ngokuphelele endaweni eqinile. Njengoba i-cos0 ingenakudlula u-1, ngisho noma umsebenzi wokunamathisela mkhulu kuno-2YL, i-engeli yokuxhumana ihlala ingashintshiwe. Uma i-WSL=”YL, khona-ke u-0 ungu-900. Uma i-engeli yokuxhumana ingu-180 °, WSL=O, okubonisa ukuthi awukho umthelela we-viscous phakathi koketshezi nokuqinile. Nokho, ngenxa yomphumela othile wokunamathisela phakathi kwamakhompathimenti amabili, isimo lapho i-engeli yokuxhumana ilingana no-180 ° asikaze sitholakale, futhi ngokuvamile, kungase kutholwe amanye ama-engeli acishe abe ngu-6 noma acishe abe ngu-0.
3. Ukungezwani okubucayi kwendwangu yendwangu
Ngenxa yesilinganiso esicishe singenzeki sokuxineka kwendawo eqinile, ukuze kuqondwe ukumanzisa kwendawo eqinile, othile ulinganise ukushuba kwayo okubucayi kwendawo. Nakuba ukushuba kwesimo esibucayi akukwazi ukumela ngokuqondile ukungezwani okungaphezulu kokuqinile, kodwa kunalokho ubukhulu be-Ys YLS, kungabonisa ubunzima bokumanzisa ubuso bokuqinile. Kodwa kufanele kube njalo
Kufanele kuqashelwe ukuthi ukukala ukushuba kwesimo esibucayi kuyindlela yokuhlola futhi ububanzi bokulinganisa buncane kakhulu.
Kungabonakala ukuthi ngaphandle kwe-cellulose, ukungezwani okubucayi kwendawo yazo zonke izinto kukhokhiswa intela ukuze kube ngaphansi, ngakho zonke zinezinga elithile lokuxosha amanzi, i-CF3 ibe enkulu futhi i-CH ibe encane kakhulu. Ngokusobala, noma isiphi isihlalo esiphathekayo esinokulethwa okukhulu kokuxhumana kanye nokudonsa kanzima okuncane okubalulekile kwendawo, kanye nanoma iyiphi i-ejenti yokuqedela, ingafinyelela imiphumela engcono yokuxosha amanzi.
Isikhathi sokuthumela: Jan-31-2024