Okokuqala, kudingeka siqonde inqubo eyisisekelo ye-coffee latte art. Ukudweba inkomishi ephelele ye-coffee latte art, udinga ukwazi izinto ezimbili ezibalulekile: ubuhle be-emulsion kanye nokwahlukana.
Ubuhle be-emulsion bubhekisela ku-foam ebushelelezi, ecebile, ngenkathi ukwahlukana kubhekiselwa esimweni esibekiwe sobisi nekhofi. Inhlanganisela yalezi zinto ezimbili ingadala ubuciko bekhofi ebabazekayo. Ngakho-ke, kungani ubisi lwakha igwebu? Lokhu kufaka imigomo yokungezwani kwe-surface kanye nokwakheka kwe-bubble ku-physics
Amafutha namaprotheni obisini yizithako ezibalulekile ekwakheni igwebu. Lapho ubisi lufudunyezwa, amanoni ancibilika kanye ne-proteins depature. Ngale ndlela, abantu abajwayelene nemigomo kaFoam bazokwazi ukuthi ukwakheka kwegwebu akuhlukaniswa kusuka ekuxineni komhlaba. Ukungezwani komhlaba kuwumphumela wokuxhumana phakathi kwama-molecule e-liquid futhi kuyimpahla edala ukuthi ingaphezulu loketshezi luthambekele ekunciphiseni amandla. Ama-molecule amanoni namaprotheni obisi aqoqe ebusweni boketshezi, akha isakhiwo esincane sefilimu. Kulomhlaka oluncanyana, umoya ubhajwe ngaphakathi kwawo, wakhe ama-bubble amancane. Lapho ubisi lufudunyezwa, la mabhamu akhula futhi alondoloze ukwakheka okuthile nokuqina.
Okulandelayo, ake sibheke ukuhlukaniswa kobisi. Lapho ubisi luhlanganiswe nekhofi, ubisi nekhofi luzokwehlukanisa ngenxa yokwehluka kobuningi nokuvunywa. Ngale nqubo, kungakhiwa amaphethini ahlukahlukene amahle endebeni ngokusebenzisa imisebenzi ehlakaniphile. Eqinisweni, kunezimiso zomzimba ngemuva kwale nto eliphakathi. Ukuhlukaniswa phakathi kobisi nekhofi kubangelwa umehluko ekubuseni. Ubisi luncane kunekhofi, ngakho-ke luzocwila ngenkathi ikhofi izontanta ngaphezulu. Ukuze wakhe amaphethini ahlukile, ubisi ludinga ukuthelelwa endebeni ezikhundleni ezihlukile ukufeza umphumela oyifunayo.
Ngaphezu kobudlelwano phakathi kwegwebu nokuhlukaniswa, kunomunye umqondo obalulekile we-physics odinga ukushiwo, futhi lelo yinombolo ye-reynolds. Inombolo yeReynolds iyinombolo engenasici esetshenziselwa ukuchaza ukuhamba koketshezi ngejubane elihlukile kanye neziqubu. Ebuhlotsheni beKofi Latte, ngokushintsha isivinini kanye ne-angle yobisi oluthulula, ukuhlukaniswa kobisi nekhofi kungathinteka. Lapho ijubane lishesha, uketshezi luhlukaniswa ngokuphelele, futhi lapho ijubane lihamba kancane, imigqa emihle ngephethini ebonakalayo yakhiwa.
Ubuciko be-Coffee Latte buhlanganisa ukwakheka kwegwebu kanye nokuhlukaniswa kobisi nekhofi ngokusebenzisa izimiso zomzimba. Ngokusebenza okuhle, amaphethini ahlukahlukene amahle angakhiwa ngaphezulu kwekhofi, anikeze abantu abakujabulelayo. Ngokuqonda izimiso, singabonga kangcono futhi siqonde ubuciko be-coffee latte art, bese uzama ukudala imisebenzi emangalisayo lapho usebenza ngezandla zethu. Yize le ndatshana ichaza kafushane imigomo yeKofi Latte Art, siyethemba abafundi bangaqonda lobu buciko kusuka ekubukeni kwe-physics. I-Coffee Latte Art iyindlela ehlukile ehlanganisa izimiso zesayensi kanye nobuciko bezobuciko, ukuletha injabulo enhle. Noma ngabe senza owethu noma sanambitha umsebenzi wabanye abantu, singaba nesipiliyoni esijulile se-charm yekhofi.
Isikhathi sePosi: Dec-25-2023