Ngegama le- ukunwebeka yaziwa ngo inqubo yokwandiswa kwevolumu izinto ezithile noma imizimba eyenzekayo, ngokuvamile njengomphumela wokushintsha kwezinga lokushisa.
Imayelana ne- inqubo ebonakalayo ethola ubukhulu obuhlukile kokuqina, uketshezi kanye namagesi. Kwesinye isikhathi lezi zinguquko zincane futhi azicaci, ezinye zibonakala ngokusobala.
Kumele kuthiwe ukunwetshwa okukhiqizwa isenzo sokushisa kubizwa ukunwetshwa okushisayo, futhi akuyona yodwa eyenzeka emvelweni.
Inqubo eyenzeka emlomo wesibeletho sowesifazane ngesikhathi sokubeletha yaziwa nangokuthi ukwelula; i ukukhuliswa komlomo wesibeletho kwenza ukuthi ingane iphume.
Ngokwandiswa, igama lisebenza ngokomfanekiso kunoma ngubani isimo esihlala isikhathi eside kunokulindelekile.
Kepha kufanele uhlale emqondweni wokunwetshwa okushisayo. Incazelo yale nqubo ilele ekutheni yonke imizimba yakhiwe yizinhlayiya, futhi lapho le mizimba inyuka ekushiseni, i- izinhlayiya zihamba ngokushesha okukhulu, ngakho-ke badinga isikhala esithe xaxa, yingakho bekhulisa ivolumu yabo.
Akuyona yonke imizimba ephendula ngale ndlela, futhi eminingi yenza ngokuvimba umphumela, okungukuthi, ukwehlisa izinga lokushisa, yilokho okubizwa ngokuthi ukuncipha okushisayo.
Ukucabanga ngokwanda kwevolumu yemizimba ethile kubalulekile ngoba lokhu kunwetshwa kungadala amakhefu ngisho nezingozi ezinkulu, ngokwesibonelo, esimweni samabhuloho noma amapayipi.
Kwakukhulunywa phambilini ukuthi i-dilation yinqubo eyenzeka zombili kwifayela le- imizimba eqinile njengeziphuzo kanye namagesi. Impahla yemizimba esebenza ngokungqubuzana nokunwebeka yileso se- ukuhlangana phakathi kwezinhlayiya, eqinisa kakhulu kuma-solid.
Ngakho-ke, ezintweni eziqinile lapho ukwanda kungabonakali kahle, kepha noma kunjalo kwenzeka. Impahla ngayinye eqinile inokuhlukile ukunweba, ekhombisa ukuthi ivolumu izokhuphuka ngamanani amangaki. I-Ice ingenye yalezo ezibonisa ukuthambekela okukhulu kakhulu kwe-dilation.
I- ukunwebeka kuketshezi iphinde ikhiqizwe ngamandla ahlukene, kepha noma kunjalo kuyabonakala kakhulu kunalokho okuqinile.
Ekugcineni, ukunwetshwa kwegesi kucace bha, nobukhulu bokunwetshwa kuyafana kuwo wonke amagesi kungcindezi olunikeziwe.
Kunikezwa ezinye izibonelo zokunwetshwa kwezinga lokushisa:
- Ukunwetshwa okwenzeka ku- amathayi enjoloba
- A ishidi le-zinc izonwebeka uma ivezwe yilanga
- I- ukulinganisa amateyipu (ukukhiqiza amaphutha wokulinganisa)
- I- amapayipi izinhlelo
- I- ukuqhekeka kwesitsha semabula lapho ufaka uketshezi olushisayo
- I- izintambo zezintambo zikagesi
- Ukwanda kwevolumu ngo- iqhwa amanzi ngaphakathi kwebhodlela
- Phansi phansi evuka ngenxa yokushisa
- I- i-asphalt yomgwaqo, engaqhekeka
- Umsebenzi omkhulu ukuvula ifayela le- umnyango omanzi
- I- umfundi wamehlo, okuvezwe ukukhanya okuhlukile, kuyanda noma izinkontileka
- Ukunwetshwa okuhlupheke yi uwoyela ngokushisa
- Umsebenzi omkhulu ukuvula ifayela le- umnyango uvezwe yilanga
- I- amafasitela anezinhlaka zensimbi dinga izikhala zenjoloba
- I- ukunwetshwa kwe-bubble lapho uvula ibhodlela lesoda
- Amalunga wokunweba kufayela le- amathrekhi wesitimela
- I- ukuqhekeka kwethayela, ngezikhathi ezithile
- Izinqubo ezithinta i-mercury kusuka kuma-thermometer
- Ithuba lokuthi i- inkomishi yengilazi izodabuka uma kufakwa amanzi ashisayo kakhulu kuyo
- Izifo ezibangelwa ukuvuleka kwenhliziyo
Ingakusebenzela: Izibonelo ze-Thermal Shrinkage
