{"id":5229,"date":"2026-09-23T14:30:23","date_gmt":"2026-09-23T13:30:23","guid":{"rendered":"https:\/\/alkion.eu\/?p=5229"},"modified":"2026-10-08T11:34:10","modified_gmt":"2026-10-08T10:34:10","slug":"studie-alkion-cvut-a-vut-aeroseal-snizuje-uniky-vzt-az-o-96","status":"publish","type":"post","link":"https:\/\/alkion.eu\/cs\/studie-alkion-cvut-a-vut-aeroseal-snizuje-uniky-vzt-az-o-96\/","title":{"rendered":"Studie Alkion, \u010cVUT a VUT: Aeroseal sni\u017euje \u00faniky VZT a\u017e o 96 %"},"content":{"rendered":"\n

Net\u011bsnosti VZT rozvod\u016f nejsou na prvn\u00ed pohled vid\u011bt. P\u0159esto mohou v\u00fdznamn\u011b ovliv\u0148ovat spot\u0159ebu energie i provozn\u00ed parametry cel\u00e9ho syst\u00e9mu.<\/em><\/p>\n\n\n\n

Jak v\u00fdrazn\u011b lze tedy net\u011bsnosti sn\u00ed\u017eit pomoc\u00ed technologie Aeroseal? Odpov\u011bdi na tuto ot\u00e1zku p\u0159inesl v\u00fdzkum, kter\u00fd jsme realizovali s UCEEB <\/a>\u010cVUT<\/a>. Samotn\u00fd experiment zahrnoval m\u011b\u0159en\u00ed na modelov\u00e9m VZT rozvodu a n\u00e1sledn\u00e9 dynamick\u00e9 simulace spot\u0159eby energie. Z\u00edskan\u00e9 poznatky se staly z\u00e1kladem odborn\u00e9 studie, kterou autorsky p\u0159ipravili Daniel Adamovsk\u00fd z \u010cVUT, Jan Smejkal z VUT<\/a> a Dalimil Petril\u00e1k ze spole\u010dnosti Alkion Service s.r.o.<\/em> V\u00fdsledky tohoto m\u011b\u0159en\u00ed byly poprv\u00e9 prezentov\u00e1ny odborn\u00e9 ve\u0159ejnosti na konferenci RoomVent<\/a> 2026<\/a><\/em><\/p>\n\n\n\n

Kl\u00ed\u010dov\u00e1 zji\u0161t\u011bn\u00ed ve zkratce<\/strong><\/h3>\n\n\n\n
    \n
  • Laboratorn\u00ed m\u011b\u0159en\u00ed (\u010cVUT UCEEB):<\/strong> modelov\u00e1 potrubn\u00ed s\u00ed\u0165 se po aplikaci Aeroseal zlep\u0161ila z t\u0159\u00eddy t\u011bsnosti ATC 5 (\u00fanik cca 6 % pr\u016ftoku) na ATC 2 (\u00fanik cca 0,2 %).<\/li>\n\n\n\n
  • Rychlost ut\u011bsn\u011bn\u00ed:<\/strong> kruhov\u00fd otvor o pr\u016fm\u011bru 4 mm byl v experimentu ut\u011bsn\u011bn p\u0159ibli\u017en\u011b b\u011bhem p\u011bti minut.<\/li>\n\n\n\n
  • Praxe \u2013 2 bytov\u00e9 domy (St\u0159edo\u010desk\u00fd kraj):<\/strong> net\u011bsnosti ni\u017e\u0161\u00ed p\u0159ibli\u017en\u011b o 94\u201398 %, p\u0159\u00edkon ventil\u00e1tor\u016f ni\u017e\u0161\u00ed p\u0159ibli\u017en\u011b o 25\u201335 %, aplikace za dva pracovn\u00ed dny bez stavebn\u00edch z\u00e1sah\u016f.<\/li>\n\n\n\n
  • Simulace \u00faspor:<\/strong> u maloobchodn\u00edho objektu (55 000 m\u00b3\/h) modelovan\u00e1 ro\u010dn\u00ed \u00faspora v\u00edce ne\u017e 28 000 kWh elekt\u0159iny pro ventil\u00e1tory, 30 267 kWh na vyt\u00e1p\u011bn\u00ed a 26 496 kWh na chlazen\u00ed.<\/li>\n\n\n\n
  • Auto\u0159i studie:<\/strong> Daniel Adamovsk\u00fd (\u010cVUT), Jan Smejkal (VUT), Dalimil Petril\u00e1k (Alkion Service s.r.o.).<\/li>\n<\/ul>\n\n\n\n

    Co znamen\u00e1 net\u011bsn\u00e9 VZT potrub\u00ed pro provoz budovy?<\/strong><\/h2>\n\n\n\n

    Pro majitele a provozovatele budov nen\u00ed t\u011bsnost VZT jen technick\u00fd parametr. Net\u011bsnosti mohou ovlivnit spot\u0159ebu energie, hlu\u010dnost syst\u00e9mu i jeho spr\u00e1vn\u00e9 zaregulov\u00e1n\u00ed.<\/p>\n\n\n\n

    1. Vy\u0161\u0161\u00ed spot\u0159eba elekt\u0159iny a energie na vyt\u00e1p\u011bn\u00ed a chlazen\u00ed<\/strong><\/p>\n\n\n\n

    Pokud z potrub\u00ed unik\u00e1 v\u00fdznamn\u00e1 \u010d\u00e1st vzduchu, ventil\u00e1tory mus\u00ed zajistit vy\u0161\u0161\u00ed pr\u016ftok, aby se na koncov\u00fdch m\u00edstech syst\u00e9mu dostalo po\u017eadovan\u00e9 mno\u017estv\u00ed vzduchu. To zvy\u0161uje jejich energetickou n\u00e1ro\u010dnost. Sou\u010dasn\u011b m\u016f\u017ee unikat vzduch, kter\u00fd u\u017e byl oh\u0159\u00e1t\u00fd nebo ochlazen\u00fd, tak\u017ee syst\u00e9m spot\u0159ebov\u00e1v\u00e1 dal\u0161\u00ed energii na jeho \u00fapravu.<\/p>\n\n\n\n

    2. Vy\u0161\u0161\u00ed hlu\u010dnost a zat\u00ed\u017een\u00ed ventil\u00e1tor\u016f<\/strong><\/p>\n\n\n\n

    Net\u011bsn\u00fd syst\u00e9m m\u016f\u017ee vy\u017eadovat vy\u0161\u0161\u00ed v\u00fdkon ventil\u00e1tor\u016f. To se m\u016f\u017ee projevit nejen ve spot\u0159eb\u011b elekt\u0159iny, ale tak\u00e9 vy\u0161\u0161\u00ed hlu\u010dnost\u00ed a mechanick\u00fdm zat\u00ed\u017een\u00edm za\u0159\u00edzen\u00ed. V p\u0159\u00edpadov\u00e9 studii dvou bytov\u00fdch dom\u016f po ut\u011bsn\u011bn\u00ed a n\u00e1sledn\u00e9 optimalizaci syst\u00e9mu klesl extern\u00ed statick\u00fd tlak z 370 na 175 Pa a p\u0159\u00edkon ventil\u00e1tor\u016f p\u0159ibli\u017en\u011b o 25 a\u017e 35 %.<\/p>\n\n\n\n

    3. Obt\u00ed\u017en\u011bj\u0161\u00ed regulace syst\u00e9mu<\/strong><\/p>\n\n\n\n

    Net\u011bsnosti ovliv\u0148uj\u00ed mno\u017estv\u00ed vzduchu, kter\u00e9 se dostane do jednotliv\u00fdch \u010d\u00e1st\u00ed VZT syst\u00e9mu. Mohou tak komplikovat jeho zaregulov\u00e1n\u00ed a dosa\u017een\u00ed po\u017eadovan\u00fdch pr\u016ftok\u016f.<\/p>\n\n\n\n

    T\u011bsn\u011bj\u0161\u00ed potrub\u00ed vytv\u00e1\u0159\u00ed lep\u0161\u00ed podm\u00ednky pro spr\u00e1vn\u00e9 nastaven\u00ed syst\u00e9mu. Samotn\u00e1 t\u011bsnost v\u0161ak automaticky nezaru\u010duje kvalitn\u00ed vnit\u0159n\u00ed prost\u0159ed\u00ed \u2013 to z\u00e1vis\u00ed tak\u00e9 na n\u00e1vrhu, provozu a \u00fadr\u017eb\u011b cel\u00e9ho VZT syst\u00e9mu.<\/p>\n\n\n\n

    Jak velk\u00e9ho sn\u00ed\u017een\u00ed net\u011bsnost\u00ed jsme dos\u00e1hli p\u0159i m\u011b\u0159en\u00ed?<\/strong><\/h2>\n\n\n\n

    P\u0159i laboratorn\u00edm testov\u00e1n\u00ed v \u010cVUT UCEEB<\/a> vykazovala modelov\u00e1 potrubn\u00ed s\u00ed\u0165 p\u0159ed ut\u011bsn\u011bn\u00edm vlastnosti b\u011b\u017en\u00e9 t\u0159\u00eddy ATC 5 (\u00fanik cca 6 % pr\u016ftoku, d\u0159\u00edv\u011bj\u0161\u00ed ozna\u010den\u00ed t\u0159\u00eddy t\u011bsnosti A). Po aplikaci technologie Aeroseal poklesly net\u011bsnosti na 0,00003 m\u00b3\/(s\u00b7m\u00b2), co\u017e odpov\u00edd\u00e1 \u0161pi\u010dkov\u00e9 t\u0159\u00edd\u011b ATC 2 (\u00fanik pouh\u00fdch cca 0,2 %, d\u0159\u00edv\u011bj\u0161\u00ed ozna\u010den\u00ed t\u0159\u00eddy t\u011bsnosti D).<\/p>\n\n\n\n

    Zdroj: Adamovsk\u00fd, Smejkal, Petril\u00e1k \u2013 Aeroseal-technology for sealing ventilation ducts, tab. 2 a 3. T\u0159\u00edda t\u011bsnosti ATC 5 odpov\u00edd\u00e1 v praxi \u00faniku cca 6 % pr\u016ftoku, ATC 3 cca 0,7 % a ATC 2 cca 0,2 %. M\u011b\u0159eno podle \u010cSN EN 1507, p\u0159epo\u010dteno na referen\u010dn\u00ed podm\u00ednky 20 \u00b0C a 101,325 kPa.<\/p>\n\n\n\n

    Parametr<\/mark><\/strong><\/td>P\u0159ed ut\u011bsn\u011bn\u00edm<\/mark><\/strong><\/td>Po aplikaci Aeroseal<\/mark><\/strong><\/td><\/tr>
    T\u0159\u00edda t\u011bsnosti \u2013 p\u0159etlak 400 Pa (\u010cSN EN 16798-3)<\/td>ATC 5<\/td>ATC 2<\/td><\/tr>
    T\u0159\u00edda t\u011bsnosti \u2013 podtlak<\/td>ATC 5<\/td>ATC 3<\/td><\/tr>
    D\u0159\u00edv\u011bj\u0161\u00ed ozna\u010den\u00ed t\u0159\u00eddy<\/td>A<\/td>D<\/td><\/tr>
    \u00danik vzduchu (pod\u00edl z pr\u016ftoku)<\/td>cca 6 %<\/td>cca 0,2 %<\/td><\/tr>
    Net\u011bsnost \u2013 p\u0159etlak 400 Pa<\/td>0,00070 m\u00b3\/(s.m\u00b2)<\/td>0,00003 m\u00b3\/(s.m\u00b2)<\/td><\/tr>
    \u00danik vzduchu s\u00edt\u00ed \u2013 p\u0159etlak 400 Pa<\/td>178,3 m\u00b3\/h<\/td>7,1 m\u00b3\/h (-96,0 %)<\/td><\/tr>
    Sn\u00ed\u017een\u00ed net\u011bsnost\u00ed \u2013 p\u0159etlak 100\u20131000 Pa<\/td>\u2013<\/td>o 92\u201396 %<\/td><\/tr>
    Sn\u00ed\u017een\u00ed net\u011bsnost\u00ed \u2013 podtlak 100\u2013750 Pa<\/td>\u2013<\/td>o 90\u201392 %<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Zdroj: Adamovsk\u00fd, Smejkal, Petril\u00e1k \u2013 Aeroseal-technology for sealing ventilation ducts, tab. 2 a 3. T\u0159\u00edda t\u011bsnosti ATC 5 odpov\u00edd\u00e1 v praxi \u00faniku cca 6 % pr\u016ftoku, ATC 3 cca 0,7 % a ATC 2 cca 0,2 %. M\u011b\u0159eno podle \u010cSN EN 1507, p\u0159epo\u010dteno na referen\u010dn\u00ed podm\u00ednky 20 \u00b0C a 101,325 kPa.<\/sup><\/p>\n\n\n\n

    Jak rychle dojde k ut\u011bsn\u011bn\u00ed?<\/strong><\/h2>\n\n\n\n

    Sou\u010d\u00e1st\u00ed experimentu bylo tak\u00e9 sledov\u00e1n\u00ed ut\u011bsn\u011bn\u00ed kruhov\u00e9ho otvoru o pr\u016fm\u011bru 4 mm. Pomoc\u00ed obrazov\u00e9 velocimetrie \u010d\u00e1stic bylo mo\u017en\u00e9 sledovat, jak aerosol postupn\u011b vypl\u0148uje m\u00edsto net\u011bsnosti. Aeroseal funguje na principu aplikace polymern\u00edho aerosolu do izolovan\u00e9ho a natlakovan\u00e9ho potrub\u00ed. \u010c\u00e1stice aerosolu jsou proudem vzduchu transportov\u00e1ny k net\u011bsnostem, kde se zachycuj\u00ed a postupn\u011b je uzav\u00edraj\u00ed. V experimentu byl otvor ut\u011bsn\u011bn p\u0159ibli\u017en\u011b b\u011bhem p\u011bti minut.<\/p>\n\n\n\n

    \"\u0160est
    Ut\u011bsn\u011bn\u00ed kruhov\u00e9ho otvoru o pr\u016fm\u011bru 4 mm zaznamenan\u00e9 obrazovou velocimetri\u00ed \u010d\u00e1stic (PIV) v \u010dase 0\u2013300 s. Zdroj: experiment \u010cVUT UCEEB.<\/figcaption><\/figure>\n\n\n\n

    Jak se sn\u00ed\u017een\u00ed net\u011bsnost\u00ed m\u016f\u017ee projevit na spot\u0159eb\u011b energie?<\/strong><\/h2>\n\n\n\n

    Na v\u00fdsledky laboratorn\u00edho m\u011b\u0159en\u00ed jsme nav\u00e1zali dynamick\u00fdmi simulacemi. Ty m\u011bly uk\u00e1zat, jak se zm\u011bna t\u011bsnosti m\u016f\u017ee projevit ve spot\u0159eb\u011b elekt\u0159iny, vyt\u00e1p\u011bn\u00ed a chlazen\u00ed p\u0159i provozu budovy.<\/p>\n\n\n\n

    Pro t\u0159i modelov\u00e9 syst\u00e9my vy\u0161ly n\u00e1sleduj\u00edc\u00ed v\u00fdsledky:<\/p>\n\n\n\n

    Kancel\u00e1\u0159sk\u00e1 budova \u2013 pr\u016ftok 9 300 m\u00b3\/h<\/strong><\/p>\n\n\n\n

    Modelovan\u00e1 ro\u010dn\u00ed \u00faspora \u010dinila:<\/p>\n\n\n\n

      \n
    • 657 kWh elekt\u0159iny pro ventil\u00e1tory,<\/li>\n\n\n\n
    • 1 105 kWh energie na vyt\u00e1p\u011bn\u00ed,<\/li>\n\n\n\n
    • 1 062 kWh energie na chlazen\u00ed.<\/li>\n<\/ul>\n\n\n\n

      Skladov\u00e1 hala \u2013 pr\u016ftok 30 000 m\u00b3\/h<\/strong><\/p>\n\n\n\n

      P\u0159i nep\u0159etr\u017eit\u00e9m provozu vych\u00e1zela modelovan\u00e1 \u00faspora elekt\u0159iny pro ventil\u00e1tory a\u017e na 4 380 kWh ro\u010dn\u011b.<\/p>\n\n\n\n

      Maloobchodn\u00ed objekt \u2013 pr\u016ftok 55 000 m\u00b3\/h<\/strong><\/p>\n\n\n\n

      Tento model vych\u00e1zel z dat 27 re\u00e1ln\u00fdch m\u011b\u0159en\u00ed. Pr\u016fm\u011brn\u00e1 po\u010d\u00e1te\u010dn\u00ed net\u011bsnost byla 10,96 %. V modelovan\u00e9m syst\u00e9mu se po ut\u011bsn\u011bn\u00ed sn\u00ed\u017eil \u00fanik vzduchu z 6 736 na 539 m\u00b3\/h.<\/p>\n\n\n\n

      P\u0159i p\u0159edpokl\u00e1dan\u00e9m provozu 5 110 hodin ro\u010dn\u011b vych\u00e1zela modelovan\u00e1 \u00faspora:<\/p>\n\n\n\n

        \n
      • v\u00edce ne\u017e 28 000 kWh elekt\u0159iny pro ventil\u00e1tory,<\/li>\n\n\n\n
      • 30 267 kWh energie na vyt\u00e1p\u011bn\u00ed,<\/li>\n\n\n\n
      • 26 496 kWh energie na chlazen\u00ed.<\/li>\n<\/ul>\n\n\n\n

        Uveden\u00e9 hodnoty jsou v\u00fdsledkem dynamick\u00fdch simulac\u00ed. Nejde tedy o p\u0159\u00edmo nam\u011b\u0159en\u00e9 \u00faspory spot\u0159eby v konkr\u00e9tn\u00edch budov\u00e1ch. Skute\u010dn\u00fd dopad se bude li\u0161it podle konkr\u00e9tn\u00edho VZT syst\u00e9mu a jeho provozu.<\/p>\n\n\n\n

        Modelovan\u00e9 ro\u010dn\u00ed \u00faspory po ut\u011bsn\u011bn\u00ed \u2013 souhrn dynamick\u00fdch simulac\u00ed<\/strong><\/p>\n\n\n\n

        Modelov\u00fd objekt<\/mark><\/strong><\/td>N\u00e1vrhov\u00fd pr\u016ftok\/provoz<\/mark><\/strong><\/td>Elekt\u0159ina \u2013 ventil\u00e1tory<\/mark><\/strong><\/td>Vyt\u00e1p\u011bn\u00ed<\/mark><\/strong><\/td>Chlazen\u00ed<\/mark><\/strong><\/td><\/tr>
        Kancel\u00e1\u0159sk\u00e1 budova<\/td>9 300 m\u00b3\/h; 3 650 h\/rok<\/td>657 kWh (-6,5 %)<\/td>1 105 kWh<\/td>1 062 kWh<\/td><\/tr>
        Skladov\u00e1 hala<\/td>30 000 m\u00b3\/h; 8 760 h\/rok<\/td>a\u017e 4 380 kWh<\/td>neuvedeno<\/td>neuvedeno<\/td><\/tr>
        Maloobchodn\u00ed objekt<\/td>55 000 m\u00b3\/h; 5 110 h\/rok<\/td>28 616 kWh (-28,9 %)<\/td>30 267 KWh<\/td>26 496 kWh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        Procenta u elekt\u0159iny a p\u0159esn\u00e1 hodnota 28 616 kWh poch\u00e1zej\u00ed z graf\u016f v \u010dl\u00e1nku (99 134 \u2192 70 518 kWh\/rok; 10 147 \u2192 9 490 kWh\/rok). \u00daspory tepla a chladu byly modelov\u00e1ny dynamickou simulac\u00ed v programu TRNSYS pro klimatick\u00e1 data Prahy (rekuperace s pr\u016fm\u011brnou ro\u010dn\u00ed \u00fa\u010dinnost\u00ed 0,75, \u017e\u00e1dan\u00e1 teplota 21 \u00b0C pro oh\u0159ev a 23 \u00b0C pro chlazen\u00ed). Jde o simulace, ne o nam\u011b\u0159en\u00e9 \u00faspory.<\/sup><\/p>\n\n\n\n

        \"Tabulka
        Kancel\u00e1\u0159sk\u00e1 budova (syst\u00e9m s mal\u00fdmi pr\u016ftoky vzduchu): \u00faspora vzduchu 3,3 % znamen\u00e1 \u00fasporu elektrick\u00e9 energie 6,5 % \u2013 10 147 \u2192 9 490 kWh\/rok; \u00faspora vyt\u00e1p\u011bn\u00ed 1 105 kWh a chlazen\u00ed 1 062 kWh ro\u010dn\u011b. <\/figcaption><\/figure>\n\n\n\n
        \"Tabulka
        Maloobchodn\u00ed objekt (prodejna, syst\u00e9m s velk\u00fdmi pr\u016ftoky vzduchu): \u00faspora vzduchu 10,1 % znamen\u00e1 \u00fasporu elektrick\u00e9 energie 28,9 % \u2013 99 134 \u2192 70 518 kWh\/rok; \u00faspora vyt\u00e1p\u011bn\u00ed 30 267 kWh a chlazen\u00ed 26 496 kWh ro\u010dn\u011b.
        <\/figcaption><\/figure>\n\n\n\n

        Co n\u00e1m uk\u00e1zala aplikace Aerosealu v re\u00e1ln\u00fdch bytov\u00fdch domech?<\/strong><\/h2>\n\n\n\n

        Na\u0161e studie zahrnuje tak\u00e9 re\u00e1ln\u00e9 v\u00fdsledky t\u011bsn\u011bn\u00ed ze dvou bytov\u00fdch dom\u016f ve St\u0159edo\u010desk\u00e9m kraji. V obou objektech se n\u00e1m poda\u0159ilo po aplikaci Aerosealu sn\u00ed\u017eit net\u011bsnosti p\u0159ibli\u017en\u011b o 94 a\u017e 98 %. U jednotliv\u00fdch syst\u00e9m\u016f jsme dos\u00e1hli t\u0159\u00edd t\u011bsnosti ATC2 a ATC3. P\u0159\u00edkon ventil\u00e1tor\u016f se sn\u00ed\u017eil p\u0159ibli\u017en\u011b o 25 a\u017e 35 %. Cel\u00e1 aplikace v ka\u017ed\u00e9m z objekt\u016f trvala dva pracovn\u00ed dny a nevy\u017eadovala od n\u00e1s \u017e\u00e1dn\u00e9 stavebn\u00ed z\u00e1sahy do konstrukc\u00ed.<\/p>\n\n\n\n

        V\u00fdsledky z praxe \u2013 2 bytov\u00e9 domy, St\u0159edo\u010desk\u00fd kraj<\/strong><\/p>\n\n\n\n

        Ukazatel<\/mark><\/strong><\/td>V\u00fdsledek<\/mark><\/strong><\/td><\/tr>
        Sn\u00ed\u017een\u00ed net\u011bsnost\u00ed \u2013 objekt SO 02<\/td>odvod o cca 98 % (ATC 3), p\u0159\u00edvod o cca 94 % (ATC 3)<\/td><\/tr>
        Sn\u00ed\u017een\u00ed net\u011bsnost\u00ed \u2013 objekt SO 05<\/td>odvod o cca 98 % (ATC 3), p\u0159\u00edvod o cca 98 % (ATC 2)<\/td><\/tr>
        Extern\u00ed statick\u00fd tlak (po ut\u011bsn\u011bn\u00ed a optimalizaci)<\/td>370 Pa \u2013> 175 Pa<\/td><\/tr>
        P\u0159\u00edkon ventil\u00e1tor\u016f<\/td>SO 02: ni\u017e\u0161\u00ed o cca 30\u201335 %; SO 05: ni\u017e\u0161\u00ed o cca 25\u201330 %<\/td><\/tr>
        Doba aplikace<\/td>2 pracovn\u00ed dny na objekt<\/td><\/tr>
        Stavebn\u00ed z\u00e1sahy do konstrukc\u00ed<\/td>\u017e\u00e1dn\u00e9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        Zdroj: studie, kap. 4, a p\u0159\u00edpadov\u00e1 studie Alkion (M. P\u0159idal, 2026). Hodnoty jsou z m\u011b\u0159en\u00ed v ter\u00e9nu.<\/sup><\/p>\n\n\n\n

        Od v\u011bdeck\u00fdch dat k \u00faspor\u00e1m ve va\u0161\u00ed budov\u011b<\/strong><\/h2>\n\n\n\n

        Spole\u010dn\u00fd v\u00fdzkum s \u010cVUT a VUT i na\u0161e realizace v praxi ukazuj\u00ed jasn\u00fd z\u00e1v\u011br: vnit\u0159n\u00ed ut\u011bsn\u011bn\u00ed VZT potrub\u00ed pomoc\u00ed Aeroseal p\u0159in\u00e1\u0161\u00ed okam\u017eit\u00e9 a p\u0159esn\u011b m\u011b\u0159iteln\u00e9 \u00faspory n\u00e1klad\u016f na provoz budovy, tepla i chlazen\u00ed.<\/strong> To v\u0161e bez stavebn\u00edch z\u00e1sah\u016f, bez dlouh\u00fdch odst\u00e1vek a s garanc\u00ed v\u00fdsledku ov\u011b\u0159en\u00e9ho tlakovou zkou\u0161kou p\u0159\u00edmo na m\u00edst\u011b.<\/p>\n\n\n\n

        Pl\u00e1nujete rekonstrukci, optimalizaci VZT nebo pln\u011bn\u00ed standard\u016f nZEB? Ozv\u011bte se n\u00e1m.<\/p>\n\n\n\n

        ………………<\/p>\n\n\n\n

        O autorech studie<\/strong><\/h2>\n\n\n\n

        Ing. Daniel Adamovsk\u00fd, Ph.D.<\/strong><\/h3>\n\n\n\n

        Vedouc\u00ed v\u00fdzkumn\u00e9ho odd\u011blen\u00ed Kvalita vnit\u0159n\u00edho prost\u0159ed\u00ed \u00b7 \u010cVUT UCEEB<\/strong><\/p>\n\n\n\n

        Daniel Adamovsk\u00fd je vedouc\u00ed v\u00fdzkumn\u00e9ho odd\u011blen\u00ed Kvalita vnit\u0159n\u00edho prost\u0159ed\u00ed a vedouc\u00ed v\u00fdzkumn\u00e9ho t\u00fdmu Vnit\u0159n\u00ed prost\u0159ed\u00ed budov. Je absolventem magistersk\u00e9ho a doktorsk\u00e9ho programu Pozemn\u00ed stavby se zam\u011b\u0159en\u00edm na Technick\u00e1 za\u0159\u00edzen\u00ed budov na fakult\u011b stavebn\u00ed \u010cVUT v Praze. St\u00e1le na fakult\u011b vyu\u010duje a vede bakal\u00e1\u0159sk\u00e9, diplomov\u00e9 i diserta\u010dn\u00ed pr\u00e1ce. Dlouhodob\u011b se zam\u011b\u0159uje na vzduchotechniku a zejm\u00e9na syst\u00e9my zp\u011btn\u00e9ho z\u00edsk\u00e1v\u00e1n\u00ed tepla.<\/p>\n\n\n\n

        Ing. Jan Smejkal<\/strong><\/h3>\n\n\n\n

        Vedouc\u00ed Odd\u011blen\u00ed inteligentn\u00edch budov \u00b7 VUT v Brn\u011b<\/strong><\/p>\n\n\n\n

        Jan Smejkal je vedouc\u00ed Odd\u011blen\u00ed inteligentn\u00edch budov, kter\u00e9 spad\u00e1 pod Odbor facility managementu rektor\u00e1tu Vysok\u00e9ho u\u010den\u00ed technick\u00e9ho v Brn\u011b. V r\u00e1mci sv\u00e9 profesn\u00ed \u010dinnosti na univerzit\u011b se v\u011bnuje analytick\u00e9 a metodick\u00e9 \u010dinnosti pro oblasti komplexn\u00ed digitalizace spr\u00e1vy objekt\u016f, Building Management Systems (BMS) a CAFM syst\u00e9m\u016f.<\/p>\n\n\n\n

        Dalimil Petril\u00e1k<\/strong><\/h3>\n\n\n\n

        Obchodn\u00ed \u0159editel \u00b7 Alkion service s.r.o.<\/strong><\/p>\n\n\n\n

        Dalimil Petril\u00e1k je obchodn\u00ed \u0159editel a spoluzakladatel rodinn\u00e9 firmy Alkion service s.r.o., kter\u00e1 je nejv\u011bt\u0161\u00ed spole\u010dnost\u00ed v oboru \u010di\u0161t\u011bn\u00ed a t\u011bsn\u011bn\u00ed vzduchotechniky na \u010desk\u00e9m trhu. V r\u00e1mci sv\u00e9 \u010dinnosti se dlouhodob\u011b zam\u011b\u0159uje na rozvoj komplexn\u00edch slu\u017eeb v oblasti \u010di\u0161t\u011bn\u00ed vzduchotechnick\u00fdch syst\u00e9m\u016f, zvy\u0161ov\u00e1n\u00ed t\u011bsnosti VZT rozvod\u016f budov a prosazov\u00e1n\u00ed modern\u00edch technologick\u00fdch \u0159e\u0161en\u00ed v pr\u016fmyslu i komer\u010dn\u00edch objektech.<\/p>\n\n\n\n

        ………………<\/p>\n\n\n\n

        \u010cast\u00e9 ot\u00e1zky k ut\u011bsn\u011bn\u00ed VZT potrub\u00ed technologi\u00ed Aeroseal<\/strong><\/h2>\n\n\n\n

        Co je Aeroseal a jak funguje?<\/strong><\/h3>\n\n\n\n

        Aeroseal je technologie vnit\u0159n\u00edho ut\u011bsn\u011bn\u00ed VZT potrub\u00ed. Do izolovan\u00e9ho a natlakovan\u00e9ho potrub\u00ed se aplikuje polymern\u00ed aerosol. Jeho \u010d\u00e1stice jsou proudem vzduchu transportov\u00e1ny k net\u011bsnostem, kde se zachycuj\u00ed a postupn\u011b je uzav\u00edraj\u00ed \u2013 bez stavebn\u00edch z\u00e1sah\u016f do konstrukc\u00ed.<\/p>\n\n\n\n

        O kolik Aeroseal sni\u017euje net\u011bsnosti VZT potrub\u00ed?<\/strong><\/h3>\n\n\n\n

        P\u0159i laboratorn\u00edm testov\u00e1n\u00ed v \u010cVUT UCEEB se modelov\u00e1 potrubn\u00ed s\u00ed\u0165 zlep\u0161ila z t\u0159\u00eddy t\u011bsnosti ATC 5 (\u00fanik cca 6 % pr\u016ftoku) na ATC 2 (\u00fanik cca 0,2 %); net\u011bsnosti poklesly na 0,00003 m\u00b3\/(s\u00b7m\u00b2). Ve dvou re\u00e1ln\u00fdch bytov\u00fdch domech ve St\u0159edo\u010desk\u00e9m kraji se net\u011bsnosti sn\u00ed\u017eily p\u0159ibli\u017en\u011b o 94 a\u017e 98 % a syst\u00e9my dos\u00e1hly t\u0159\u00edd ATC 2 a ATC 3.<\/p>\n\n\n\n

        Jak dlouho trv\u00e1 ut\u011bsn\u011bn\u00ed VZT potrub\u00ed technologi\u00ed Aeroseal?<\/strong><\/h3>\n\n\n\n

        V laboratorn\u00edm experimentu byl kruhov\u00fd otvor o pr\u016fm\u011bru 4 mm ut\u011bsn\u011bn p\u0159ibli\u017en\u011b b\u011bhem p\u011bti minut. Cel\u00e1 aplikace v ka\u017ed\u00e9m ze dvou sledovan\u00fdch bytov\u00fdch dom\u016f trvala dva pracovn\u00ed dny.<\/p>\n\n\n\n

        Kolik energie m\u016f\u017ee ut\u011bsn\u011bn\u00ed VZT potrub\u00ed u\u0161et\u0159it?<\/strong><\/h3>\n\n\n\n

        Podle dynamick\u00fdch simulac\u00ed ve studii \u010dinila modelovan\u00e1 ro\u010dn\u00ed \u00faspora u kancel\u00e1\u0159sk\u00e9 budovy (9 300 m\u00b3\/h) 657 kWh elekt\u0159iny pro ventil\u00e1tory, 1 105 kWh na vyt\u00e1p\u011bn\u00ed a 1 062 kWh na chlazen\u00ed. U skladov\u00e9 haly (30 000 m\u00b3\/h) p\u0159i nep\u0159etr\u017eit\u00e9m provozu a\u017e 4 380 kWh elekt\u0159iny pro ventil\u00e1tory. U maloobchodn\u00edho objektu (55 000 m\u00b3\/h, 5 110 h ro\u010dn\u011b) v\u00edce ne\u017e 28 000 kWh elekt\u0159iny pro ventil\u00e1tory, 30 267 kWh na vyt\u00e1p\u011bn\u00ed a 26 496 kWh na chlazen\u00ed. Jde o v\u00fdsledky simulac\u00ed, nikoli o p\u0159\u00edmo nam\u011b\u0159en\u00e9 \u00faspory \u2013 skute\u010dn\u00fd dopad z\u00e1vis\u00ed na konkr\u00e9tn\u00edm VZT syst\u00e9mu a jeho provozu.<\/p>\n\n\n\n

        Pro\u010d net\u011bsn\u00e9 VZT potrub\u00ed zvy\u0161uje spot\u0159ebu energie?<\/strong><\/h3>\n\n\n\n

        Pokud z potrub\u00ed unik\u00e1 v\u00fdznamn\u00e1 \u010d\u00e1st vzduchu, ventil\u00e1tory mus\u00ed zajistit vy\u0161\u0161\u00ed pr\u016ftok, aby se na koncov\u00e1 m\u00edsta dostalo po\u017eadovan\u00e9 mno\u017estv\u00ed vzduchu. Z\u00e1rove\u0148 m\u016f\u017ee unikat vzduch, kter\u00fd u\u017e byl oh\u0159\u00e1t\u00fd nebo ochlazen\u00fd, tak\u017ee syst\u00e9m spot\u0159ebov\u00e1v\u00e1 dal\u0161\u00ed energii na jeho \u00fapravu. Net\u011bsnosti nav\u00edc mohou zvy\u0161ovat hlu\u010dnost a zat\u00ed\u017een\u00ed ventil\u00e1tor\u016f a komplikovat zaregulov\u00e1n\u00ed syst\u00e9mu.<\/p>\n\n\n\n

        Co znamenaj\u00ed t\u0159\u00eddy t\u011bsnosti ATC 2, ATC 3 a ATC 5?<\/strong><\/h3>\n\n\n\n

        T\u0159\u00eddy ATC ozna\u010duj\u00ed t\u011bsnost vzduchotechnick\u00e9ho potrub\u00ed podle normy \u010cSN EN 16798-3 \u2013 \u010d\u00edm ni\u017e\u0161\u00ed \u010d\u00edslo, t\u00edm t\u011bsn\u011bj\u0161\u00ed potrub\u00ed. ATC 5 odpov\u00edd\u00e1 d\u0159\u00edv\u011bj\u0161\u00ed t\u0159\u00edd\u011b A, ATC 3 t\u0159\u00edd\u011b C a ATC 2 t\u0159\u00edd\u011b D. V modelov\u00e9 s\u00edti studie odpov\u00eddala t\u0159\u00edda ATC 5 \u00faniku cca 6 % pr\u016ftoku a t\u0159\u00edda ATC 2 \u00faniku cca 0,2 %.<\/p>\n\n\n\n

        Vy\u017eaduje aplikace Aerosealu stavebn\u00ed z\u00e1sahy nebo dlouhou odst\u00e1vku?<\/strong><\/h3>\n\n\n\n

        Ne. Ve dvou sledovan\u00fdch bytov\u00fdch domech nevy\u017eadovala aplikace \u017e\u00e1dn\u00e9 stavebn\u00ed z\u00e1sahy do konstrukc\u00ed a prob\u011bhla bez dlouh\u00fdch odst\u00e1vek \u2013 v ka\u017ed\u00e9m objektu trvala dva pracovn\u00ed dny.<\/p>\n\n\n\n

        Jak se ov\u011b\u0159uje v\u00fdsledek ut\u011bsn\u011bn\u00ed?<\/strong><\/h3>\n\n\n\n

        V\u00fdsledek je ov\u011b\u0159en tlakovou zkou\u0161kou p\u0159\u00edmo na m\u00edst\u011b a Alkion na n\u011bj poskytuje garanci.<\/p>\n\n\n\n

        Kdo studii o technologii Aeroseal zpracoval?<\/strong><\/h3>\n\n\n\n

        V\u00fdzkum prob\u011bhl ve spolupr\u00e1ci s Univerzitn\u00edm centrem energeticky efektivn\u00edch budov (UCEEB) \u010cVUT. Autory odborn\u00e9 studie jsou Daniel Adamovsk\u00fd z \u010cVUT, Jan Smejkal z VUT a Dalimil Petril\u00e1k ze spole\u010dnosti Alkion Service s.r.o.<\/p>\n","protected":false},"excerpt":{"rendered":"

        Net\u011bsnosti VZT rozvod\u016f nejsou na prvn\u00ed pohled vid\u011bt. P\u0159esto mohou v\u00fdznamn\u011b ovliv\u0148ovat spot\u0159ebu energie i provozn\u00ed parametry cel\u00e9ho syst\u00e9mu. Jak v\u00fdrazn\u011b lze tedy net\u011bsnosti sn\u00ed\u017eit pomoc\u00ed technologie Aeroseal? Odpov\u011bdi na tuto ot\u00e1zku p\u0159inesl v\u00fdzkum, kter\u00fd jsme realizovali s UCEEB \u010cVUT. Samotn\u00fd experiment zahrnoval m\u011b\u0159en\u00ed na modelov\u00e9m VZT rozvodu a n\u00e1sledn\u00e9 dynamick\u00e9 simulace spot\u0159eby energie. Z\u00edskan\u00e9 poznatky se staly […]<\/p>\n","protected":false},"author":13,"featured_media":5299,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36],"tags":[],"class_list":["post-5229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vyzkum"],"acf":[],"yoast_head":"\nAeroseal: studie \u010cVUT a VUT \u2013 \u00faniky z VZT ni\u017e\u0161\u00ed a\u017e o 96 % - Alkion<\/title>\n<meta name=\"description\" content=\"Studie \u010cVUT UCEEB, VUT a Alkion: Aeroseal sn\u00ed\u017eil net\u011bsnosti VZT potrub\u00ed z t\u0159\u00eddy ATC 5 na ATC 2. 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