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Description
  • Naměřené hodnoty ukázaly, že snížení průměrné hodnoty podtlaku za celou dobu pulzu je v laboratorních podmínkách menší než při dojení, přičemž k výrazným rozdílům dochází od průtoku 2 l/min, kde je při dojení průměrný podtlak v podstrukové komoře za celou dobu pulzu v průměru nižší o 0,5 kPa, ale při průtoku 3 l/min již tento rozdíl činí 1,5 kPa a při průtoku 5l/min je rozdíl již 2,5 kPa. Tyto rozdíly jsou způsobeny hlavně tím, že při dojení dojicí souprava visí na vemeni volně a při pohybech dojnice a hydraulických rázech dochází k nedefinovanému přisávání vzduchu okolo struků a tím i k významným poklesům podtlaku. (cs)
  • The measured values have shown that the vacuum average values reduction within whole time of the pulse is lower under laboratory conditions compared with milking, although the considerable differences have occurred from the flow-rate 2 l/min where the average vacuum in the liner chamber during milking operation within whole pulse time is in average lower by 0.5 kPa. At the flow-rate of 3.0 l/min this differences are caused mainly by the fact, that at the milking the milking unit is suspended on the udder and during the dairy cow moving and hydraulic impacts the undefined air suction occurs around the teats and thus to the significant vacuum decrease.
  • The measured values have shown that the vacuum average values reduction within whole time of the pulse is lower under laboratory conditions compared with milking, although the considerable differences have occurred from the flow-rate 2 l/min where the average vacuum in the liner chamber during milking operation within whole pulse time is in average lower by 0.5 kPa. At the flow-rate of 3.0 l/min this differences are caused mainly by the fact, that at the milking the milking unit is suspended on the udder and during the dairy cow moving and hydraulic impacts the undefined air suction occurs around the teats and thus to the significant vacuum decrease. (en)
Title
  • Analysis of vacuum fluctuation in milking units
  • Analysis of vacuum fluctuation in milking units (en)
  • Analýza kolísání podtlaku v dojicí jednotce (cs)
skos:prefLabel
  • Analysis of vacuum fluctuation in milking units
  • Analysis of vacuum fluctuation in milking units (en)
  • Analýza kolísání podtlaku v dojicí jednotce (cs)
skos:notation
  • RIV/00027031:_____/05:8P003074!RIV08-MZE-00027031
http://linked.open.../vavai/riv/strany
  • 204;208
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1G46086)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 512140
http://linked.open...ai/riv/idVysledku
  • RIV/00027031:_____/05:8P003074
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • milking; milk flow-rate; vacuum fluctuation; measurements (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [605A2397BA3A]
http://linked.open...v/mistoKonaniAkce
  • Moscow
http://linked.open...i/riv/mistoVydani
  • Moscow
http://linked.open...i/riv/nazevZdroje
  • The 4th research and development conference of central and eastern european institutes of agricultural engineering
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Machálek, Antonín
  • Vegricht, Jiří
  • Ambrož, Pavel
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • All-russian Research Institute for Electrification of Agriculture
https://schema.org/isbn
  • 5-85941-195-2
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