About: Analysis of plasma jets generated in gas and gas-water torches     Goto   Sponge   NotDistinct   Permalink

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Description
  • Vlastnosti paprsků plazmatu generovaných plynovým a plynově-vodním plazmatronem se od sebe liší. Rozdíly vyplývají z uspořádání plazmatronů a způsobu stabilizace oblouku. Plazma generovaná plynově-vodním plazmatronem prokazuje vysoké hodnoty entalpie a teploty doprovázené malou hustotou. Tudíž rozdíl hustoty paprsku a okolí je podstatně větší než u plynového plazmatronu, což způsobuje větší nasávání chladného okolního vzduchu. Navíc paprsek plazmatu je ovlivňován prouděním, které vzniká v místě anodové skvrny, což vede k dodatečným perturbacím a vychýlení paprsku. Tyto faktory ovlivňují procesy přenosu v proudění. Práce zkoumá chování paprsků z obou plazmatronů. (cs)
  • The behaviour of plasma jets generated by gas and gas-water torches is different. The difference arises from plasma torch arrangements and from a way of arc stabilisation. Plasma generated by the gas-water torch exhibits high values of enthalpy and temperature and low values of density. Thus, the density ratio between plasma and surrounding is much lower than in the gas torch, causing stronger entrainment of the cold ambient air. Moreover, the main plasma flow interacts intensively with an anodic jet, which is formed at the position of the anode attachment. As a result, additional perturbations and deflection of the main plasma flow from the torch chamber axis occur. The mentioned factors affect transfer mechanisms in the gas-water jets. The work considers behaviour of the jets generated by both torches.
  • The behaviour of plasma jets generated by gas and gas-water torches is different. The difference arises from plasma torch arrangements and from a way of arc stabilisation. Plasma generated by the gas-water torch exhibits high values of enthalpy and temperature and low values of density. Thus, the density ratio between plasma and surrounding is much lower than in the gas torch, causing stronger entrainment of the cold ambient air. Moreover, the main plasma flow interacts intensively with an anodic jet, which is formed at the position of the anode attachment. As a result, additional perturbations and deflection of the main plasma flow from the torch chamber axis occur. The mentioned factors affect transfer mechanisms in the gas-water jets. The work considers behaviour of the jets generated by both torches. (en)
Title
  • Analysis of plasma jets generated in gas and gas-water torches
  • Analýza proudu plazmatu generovaného plynovým a plynově-vodním plazmatronem (cs)
  • Analysis of plasma jets generated in gas and gas-water torches (en)
skos:prefLabel
  • Analysis of plasma jets generated in gas and gas-water torches
  • Analýza proudu plazmatu generovaného plynovým a plynově-vodním plazmatronem (cs)
  • Analysis of plasma jets generated in gas and gas-water torches (en)
skos:notation
  • RIV/61389021:_____/07:00084156!RIV08-AV0-61389021
http://linked.open.../vavai/riv/strany
  • 59;70
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA202/05/0669), Z(AV0Z20430508)
http://linked.open...iv/cisloPeriodika
  • 1
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
  • 409512
http://linked.open...ai/riv/idVysledku
  • RIV/61389021:_____/07:00084156
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • thermal plasma jet; turbulent jet; entrainment (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [698663E7C5B3]
http://linked.open...i/riv/nazevZdroje
  • High Temperature Materials and Processes
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...v/svazekPeriodika
  • 11
http://linked.open...iv/tvurceVysledku
  • Chumak, Oleksiy
  • Mašláni, Alan
  • Sember, Viktor
  • Kavka, Tetyana
  • Kopecký, Vladimír
http://linked.open...n/vavai/riv/zamer
issn
  • 1093-3611
number of pages
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