{"id":7609,"date":"2026-04-08T09:31:27","date_gmt":"2026-04-08T06:31:27","guid":{"rendered":"https:\/\/www.schooler.org.ua\/uk-uamatematiki-pridumali-idealnij-espreso-ru-rumatematika-vkusa-kak\/"},"modified":"2026-04-08T09:31:27","modified_gmt":"2026-04-08T06:31:27","slug":"uk-uamatematiki-pridumali-idealnij-espreso-ru-rumatematika-vkusa-kak","status":"publish","type":"post","link":"https:\/\/www.schooler.org.ua\/cs\/uk-uamatematiki-pridumali-idealnij-espreso-ru-rumatematika-vkusa-kak\/","title":{"rendered":"Matematika chuti: jak v\u011bdci vy\u0159e\u0161ili rovnici espressa"},"content":{"rendered":"

Pro milovn\u00edky k\u00e1vy se nalezen\u00ed \u201edokonal\u00e9ho z\u00e1b\u011bru\u201c \u010dasto st\u00e1v\u00e1 procesem intuice a pokus\u016f a omyl\u016f. Ned\u00e1vn\u00e1 studie publikovan\u00e1 v \u010dasopise Royal Society Open Science<\/em> v\u0161ak nazna\u010duje, \u017ee tajemstv\u00ed dokonal\u00e9ho espressa nemus\u00ed spo\u010d\u00edvat v \u201epocitu\u201c baristy, ale ve slo\u017eit\u00fdch matematick\u00fdch vzorc\u00edch. Mezin\u00e1rodn\u00ed t\u00fdm matematik\u016f a ekolog\u016f \u00fasp\u011b\u0161n\u011b vyvinul zp\u016fsob, jak vypo\u010d\u00edtat dokonal\u00e9 espresso se zam\u011b\u0159en\u00edm na fyziku k\u00e1vov\u00e9 \u201epilulky\u201c. <\/p>\n

V\u011bda o \u201epilulce\u201c<\/h3>\n

V procesu p\u0159\u00edpravy espressa je tableta<\/strong> stla\u010den\u00fd disk mlet\u00e9 k\u00e1vy um\u00edst\u011bn\u00fd ve filtra\u010dn\u00edm ko\u0161i k\u00e1vovaru. Kdy\u017e je tlakov\u00e1 hork\u00e1 voda protla\u010dov\u00e1na touto peletou, doch\u00e1z\u00ed k procesu molekul\u00e1rn\u00ed absorpce, kter\u00fd extrahuje chu\u0165, barvu a kofein z bob\u016f. <\/p>\n

Historicky bylo dosa\u017een\u00ed konzistentn\u00edch v\u00fdsledk\u016f obt\u00ed\u017en\u00e9 kv\u016fli obrovsk\u00e9mu mno\u017estv\u00ed prom\u011bnn\u00fdch:
\n– Stupe\u0148 mlet\u00ed (hrub\u00e9 nebo jemn\u00e9).
\n– Hustota zhutn\u011bn\u00ed k\u00e1vov\u00e9 tablety (temperov\u00e1n\u00ed).
\n– Doba kontaktu vody s k\u00e1vov\u00fdm pr\u00e1\u0161kem. <\/p>\n

Proto\u017ee se tyto faktory vz\u00e1jemn\u011b ovliv\u0148uj\u00ed nep\u0159edv\u00eddateln\u00fdmi zp\u016fsoby, p\u0159edpov\u00edd\u00e1n\u00ed p\u0159esn\u00e9 kvality n\u00e1poje z\u016fst\u00e1v\u00e1 v\u00fdzvou jak pro amat\u00e9ry, tak pro profesion\u00e1ly. <\/p>\n

Mapov\u00e1n\u00ed neviditeln\u00e9ho: Rentgenov\u00e9 z\u00e1\u0159en\u00ed a digit\u00e1ln\u00ed va\u0159en\u00ed<\/h3>\n

K p\u0159eklenut\u00ed propasti mezi intuic\u00ed a p\u0159esnost\u00ed pou\u017eili v\u011bdci pokro\u010dilou technologii k nahl\u00e9dnut\u00ed do samotn\u00e9 k\u00e1vy. Pomoc\u00ed fazol\u00ed z Rwandy (Tumba) a Kolumbie (Guayacan) t\u00fdm testoval 11 r\u016fzn\u00fdch mo\u017enost\u00ed mlet\u00ed, od extr\u00e9mn\u011b jemn\u00e9ho po hrub\u00e9. <\/p>\n

Aby v\u011bdci pochopili, jak se voda t\u011bmito \u010d\u00e1sticemi pohybuje, pou\u017eili rentgenovou po\u010d\u00edta\u010dovou tomografii (XCT)<\/strong>. Tato technologie jim umo\u017enila vytvo\u0159it podrobn\u00e9 3D mapy \u201eprostoru p\u00f3r\u016f\u201c \u2013 mikroskopick\u00fdch kan\u00e1lk\u016f mezi jednotliv\u00fdmi k\u00e1vov\u00fdmi zrny, kter\u00e9 jsou pouh\u00fdm okem neviditeln\u00e9. <\/p>\n

Po obdr\u017een\u00ed t\u011bchto digit\u00e1ln\u00edch map se t\u00fdm p\u0159esunul do virtu\u00e1ln\u00ed laborato\u0159e:
\n1. Teorie perkolace:<\/strong> Pou\u017eili toto odv\u011btv\u00ed fyziky k modelov\u00e1n\u00ed, jak se tekutina pohybuje spojen\u00fdmi prostory.
\n2. Digital Flow Tests:<\/strong> M\u00edsto fyzick\u00e9ho va\u0159en\u00ed tis\u00edc\u016f \u0161\u00e1lk\u016f k\u00e1vu \u201euva\u0159ili\u201c na po\u010d\u00edta\u010di simulac\u00ed pr\u016ftoku vody r\u016fzn\u00fdmi modely digit\u00e1ln\u00edch tablet\u016f.
\n3. V\u00fdvoj rovnice:<\/strong> Porovn\u00e1n\u00edm t\u011bchto simulac\u00ed v\u011bdci vyvinuli matematickou rovnici, kter\u00e1 p\u0159edpov\u00edd\u00e1, jak snadno se voda pohybuje r\u016fzn\u00fdmi druhy mlet\u00ed k\u00e1vy. <\/p>\n

Prom\u011bnn\u00e9 chuti<\/h3>\n

Studie doch\u00e1z\u00ed k z\u00e1v\u011bru, \u017ee kvalita espressa je ur\u010dena delik\u00e1tn\u00ed rovnov\u00e1hou konektivity p\u00f3rov\u00e9ho prostoru, velikosti zrnek, plochy povrchu a hustoty balen\u00ed.<\/strong> <\/p>\n

C\u00edlem ide\u00e1ln\u00ed extrakce je maximalizovat dobu kontaktu vody s povrchem k\u00e1vy, ani\u017e by do\u0161lo k \u201echannelingu\u201c (situace, kdy voda najde cestu nejmen\u0161\u00edho odporu a v\u011bt\u0161inu k\u00e1vy ponech\u00e1 neextrahovanou). D\u00edky pochopen\u00ed matematiky za t\u011bmito prom\u011bnn\u00fdmi mohou barist\u00e9 l\u00e9pe kontrolovat, kolik chuti skon\u010d\u00ed v \u0161\u00e1lku. <\/p>\n

Pro\u010d je to pro pr\u016fmysl d\u016fle\u017eit\u00e9?<\/h3>\n

I kdy\u017e tento v\u00fdzkum nutn\u011b nezm\u011bn\u00ed zp\u016fsob, jak\u00fdm si doma p\u0159ipravujete sv\u016fj rann\u00ed \u0161\u00e1lek, m\u00e1 obrovsk\u00e9 d\u016fsledky pro k\u00e1vov\u00fd pr\u016fmysl a za\u0159\u00edzen\u00ed<\/strong>. <\/p>\n

Integrac\u00ed t\u011bchto matematick\u00fdch vzorc\u016f do softwaru espresso k\u00e1vovaru a nastaven\u00ed ml\u00fdnku na k\u00e1vu budou v\u00fdrobci schopni vytvo\u0159it:
\n– Vysoce p\u0159esn\u00e9 profily mlet\u00ed<\/strong>, p\u0159izp\u016fsoben\u00e9 konkr\u00e9tn\u00edm odr\u016fd\u00e1m zrn.
\n– Pokro\u010dil\u00e9 filtra\u010dn\u00ed syst\u00e9my<\/strong> udr\u017euj\u00edc\u00ed stabiln\u00ed tlak.
\n– Automatick\u00e1 p\u0159esnost<\/strong>, sni\u017euj\u00edc\u00ed lidsk\u00fd faktor v kav\u00e1rn\u011b s velk\u00fdm tokem z\u00e1kazn\u00edk\u016f. <\/p>\n

\n

Tento pr\u016flom p\u0159em\u011b\u0148uje p\u0159\u00edpravu espressa z nep\u0159esn\u00e9ho \u0159emesla na p\u0159edv\u00eddatelnou v\u011bdu a nab\u00edz\u00ed pl\u00e1n pro novou generaci technologie k\u00e1vy. <\/p>\n<\/blockquote>\n

Z\u00e1v\u011br<\/strong>
\nSpojen\u00edm rentgenov\u00e9 difrakce s teori\u00ed perkolace vytvo\u0159ili v\u011bdci matematick\u00fd r\u00e1mec pro optimalizaci pr\u016ftoku vody mletou k\u00e1vou. Tento objev otev\u00edr\u00e1 cestu pro chyt\u0159ej\u0161\u00ed a p\u0159esn\u011bj\u0161\u00ed p\u0159\u00edstroje na espresso, kter\u00e9 dok\u00e1\u017e\u00ed zaru\u010dit dokonalou chu\u0165 p\u0159i ka\u017ed\u00e9m va\u0159en\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"

Pro milovn\u00edky k\u00e1vy se nalezen\u00ed \u201edokonal\u00e9ho z\u00e1b\u011bru\u201c \u010dasto st\u00e1v\u00e1 procesem intuice a pokus\u016f a omyl\u016f. Ned\u00e1vn\u00e1 studie publikovan\u00e1 v \u010dasopise Royal Society Open Science v\u0161ak nazna\u010duje, \u017ee tajemstv\u00ed dokonal\u00e9ho espressa nemus\u00ed spo\u010d\u00edvat v \u201epocitu\u201c baristy, ale ve slo\u017eit\u00fdch matematick\u00fdch vzorc\u00edch. Mezin\u00e1rodn\u00ed t\u00fdm matematik\u016f a ekolog\u016f \u00fasp\u011b\u0161n\u011b vyvinul zp\u016fsob, jak vypo\u010d\u00edtat dokonal\u00e9 espresso se zam\u011b\u0159en\u00edm na […]<\/p>\n","protected":false},"author":1,"featured_media":7608,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":""},"categories":[1],"tags":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts\/7609"}],"collection":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/comments?post=7609"}],"version-history":[{"count":0,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts\/7609\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/media\/7608"}],"wp:attachment":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/media?parent=7609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/categories?post=7609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/tags?post=7609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}