{"id":7645,"date":"2014-05-10T23:01:49","date_gmt":"2014-05-10T21:01:49","guid":{"rendered":"http:\/\/mixmotor.eu\/?p=7645"},"modified":"2014-05-11T13:06:50","modified_gmt":"2014-05-11T11:06:50","slug":"sympozium-motorov-alebo-ako-audi-predstavila-novy-3-0-tdi","status":"publish","type":"post","link":"https:\/\/mixmotor.eu\/en\/7645\/sympozium-motorov-alebo-ako-audi-predstavila-novy-3-0-tdi","title":{"rendered":"Symp\u00f3zium motorov, alebo ako Audi predstavila nov\u00fd 3.0 TDI"},"content":{"rendered":"

E\u0161te silnej\u0161\u00ed, e\u0161te efekt\u00edvnej\u0161\u00ed a\u00a0\u010distej\u0161\u00ed. Audi predstavilo na Viedenskom symp\u00f3ziu motorov najmlad\u0161\u00ed v\u00fdvojov\u00fd stupe\u0148 ich motoru 3.0 TDI. Naftov\u00e1 V6 s\u00a0mnoh\u00fdmi rie\u0161eniami v\u00a0technickej sf\u00e9re.<\/p>\n

Naftov\u00e9 motory s\u00fa dnes u\u017e z\u00e1kladn\u00fdm stavebn\u00fdm kame\u0148om vo v\u0161etk\u00fdch automobilk\u00e1ch. 99% majite\u013eov \u00e1ut m\u00e1 pred o\u010dami iba spotrebu a\u00a0absol\u00fatne nerie\u0161ia dlhodob\u00e9 vy\u0161\u0161ie n\u00e1klady vo\u010di klasick\u00fdm benz\u00ednov\u00fdm atmosf\u00e9ram. Aby v\u0161ak aj nafto\u017er\u00faty boli v\u00fdhodn\u00e9 v\u00a0mnoh\u00fdch smeroch, treba vyv\u00edja\u0165 nov\u00e9 technol\u00f3gie. Audi sa rad\u00ed medzi priekopn\u00edkov vo v\u00fdvoji (nielen) hnac\u00edch agreg\u00e1tov a\u00a0na symp\u00f3ziu motorov, ktor\u00fd sa konal 8.-9. m\u00e1ja vo Viedni predstavili \u201eprekopan\u00fd\u201c naftov\u00fd motor.<\/p>\n

Technol\u00f3gie, ktor\u00e9 sa vyu\u017e\u00edvaj\u00fa dnes sa vyv\u00edjaj\u00fa nieko\u013eko desiatok rokov, \u010do op\u00e4\u0165 99% \u013eud\u00ed nevie. Na\u010do teda pri\u0161li po nejakej tej desa\u0165ro\u010dnici?<\/p>\n

Turbom prepl\u0148ovan\u00fd motor V6 s\u00a0uhlom valcov 90\u00b0 a\u00a0objemom 2.967ccm sa dod\u00e1va vo v\u00fdkonov\u00fdch verzi\u00e1ch od 162kW\/218k a\u017e po 200kW\/272k a\u00a0kr\u00fatiaci moment le\u017e\u00ed v\u00a0najvy\u0161\u0161ej verzii a\u017e niekde pri 600Nm (wau!). V\u00fdkon sa teda vo\u010di jeho predchodcom nav\u00fd\u0161il a\u00a0spotreba \u00fadajne zn\u00ed\u017eila a\u00a0to a\u017e o\u00a013%.<\/p>\n

Nov\u00fd nafto\u017er\u00fat pon\u00faka mnoho vysokotechnicky prepracovan\u00fdch detailov. Piestov\u00e9 kr\u00fa\u017eky a\u00a0\u010dapy maj\u00fa zn\u00ed\u017een\u00e9 koeficient trenia (ktor\u00e9 by bolo v\u00a0tomto pr\u00edpade \u00faplnou stratou pre motor). Domec k\u013eukov\u00e9ho hriade\u013ea (spodn\u00e1 \u010das\u0165 motora, do ktorej je ulo\u017een\u00fd k\u013eukov\u00fd hriade\u013e, ktor\u00fd zase vytv\u00e1ra zotrva\u010dnos\u0165 motora a\u00a0na ktorom s\u00fa pripevnen\u00e9 piesty cez ak\u00e9si pali\u010dky \u2013 ojnice) a\u00a0hlavy motora (s\u00fa dve, pre tri a\u00a0tri valce) maj\u00fa oddelen\u00e9 chladiace okruhy. Dokonalej\u0161ie riadenie termomen\u017ementu (aby motor nestr\u00e1cal v\u00fdkon cez zbyto\u010dn\u00e9 teplo a\u00a0n\u00e1sledn\u00e9 ve\u013ek\u00e9 chladenie) vedie ku e\u0161te lep\u0161iemu \u010d\u00edslu efektivity motora.<\/p>\n

\"Neue<\/a><\/p>\n

V\u00fdvojom pre\u0161lo aj turbod\u00fachadlo a\u00a0olejov\u00e1 pumpa s\u00a0plne variabilnou \u010dinnos\u0165ou (turbo tla\u010d\u00ed do motora n\u00fatene vzduch, je to ako kysl\u00edkov\u00e1 bomba pre star\u0161\u00edch \u013eud\u00ed, aby sa e\u0161te postavili na nohy; plne variabiln\u00e1 olejov\u00e1 pumpa m\u00e1 mo\u017enos\u0165 zmeny prietoku oleja, ktor\u00fd je priv\u00e1dzan\u00fd na v\u0161etky pohybliv\u00e9 \u010dasti a\u00a0s\u00fa\u010diastky \u2013 aby sa to nepos…zadrelo).<\/p>\n

Po prv\u00fd kr\u00e1t bol pou\u017eit\u00fd katalyz\u00e1tor s\u00a0\u00falo\u017eiskom pre \u0161kodliviny NOx (prosto hnusn\u00e9 dusi\u010dnany, ktor\u00e9 by dok\u00e1zali otr\u00e1vi\u0165 na\u0161ich \u0161tvornoh\u00fdch mil\u00e1\u010dikov \u2013 \u0161kre\u010dkov) v\u00a0spojen\u00ed s\u00a0filtrom pevn\u00fdch \u010dast\u00edc, ako aj SCR-vtrekovanie (mo\u010dovina, ktor\u00e1 vyu\u017e\u00edva amoniak na rozklad jedovat\u00fdch oxidov na vodu a\u00a0jedovat\u00e9 l\u00e1tky, ktor\u00e9 s\u00fa zachyten\u00e9 vo filtri pevn\u00fdch \u010dast\u00edc; cel\u00fd syst\u00e9m mus\u00ed by\u0165 vyhrievan\u00fd, preto\u017ee reakcia amoniaku nefunguje pod -11\u00b0C) \u00a0a\u00a0to v\u0161etko v\u00a0jednom poskladanom celku. (\u010do teda v\u0161etko d\u00fdchame zo star\u00fdch dieslov \u2013 e\u0161te st\u00e1le v\u00e1m z\u00e1le\u017e\u00ed na spotrebe??) Ako celok to vedie k\u00a0tomu, \u017ee motor sp\u013a\u0148a pr\u00edsnu emisn\u00fa normu Euro 6 a\u00a0hodnoty CO2 boli zn\u00ed\u017een\u00e9 o\u00a015g na kilometer.<\/p>\n

Audi pon\u00faka \u0161irok\u00fa \u0161k\u00e1lu nafto\u017er\u00fatov so \u0161tyrmi, \u0161iestimi a\u00a0\u00f4smimi valcami. Za\u010d\u00edna sa to od 1.6 TDI, zoznam pokra\u010duje cez 2.0 TDI, 3.0 TDi a\u017e po 4.2 TDI (pre Audi A8 s\u00a0385k a\u00a0850Nm). Ku tomu si predstavte dvojspojku a\u00a0sedem stup\u0148ov\u00fa prevodovku a\u00a0m\u00e1te z\u00a0be\u017en\u00fdch modelov celkom agiln\u00e9 aut\u00e1 pri rozumnej spotrebe.<\/p>\n

Autor: Vladislav Baniari; Zdroj+foto: Audi<\/p>\n

\"Neue<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

E\u0161te silnej\u0161\u00ed, e\u0161te efekt\u00edvnej\u0161\u00ed a\u00a0\u010distej\u0161\u00ed. Audi predstavilo na Viedenskom symp\u00f3ziu motorov najmlad\u0161\u00ed v\u00fdvojov\u00fd stupe\u0148 ich motoru 3.0 TDI. Naftov\u00e1 V6 s\u00a0mnoh\u00fdmi rie\u0161eniami v\u00a0technickej sf\u00e9re.<\/p>\n","protected":false},"author":1,"featured_media":7647,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[9,4],"tags":[693,103,696,561,695,694,280],"class_list":["post-7645","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-audi","category-dokumentarne","tag-3-0-tdi","tag-audi-2","tag-co2","tag-katalyzator","tag-no","tag-scr","tag-v6"],"translation":{"provider":"WPGlobus","version":"3.0.0","language":"en","enabled_languages":["sk","en","de"],"languages":{"sk":{"title":true,"content":true,"excerpt":false},"en":{"title":false,"content":false,"excerpt":false},"de":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts\/7645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/comments?post=7645"}],"version-history":[{"count":3,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts\/7645\/revisions"}],"predecessor-version":[{"id":7650,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts\/7645\/revisions\/7650"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/media\/7647"}],"wp:attachment":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/media?parent=7645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/categories?post=7645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/tags?post=7645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}