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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F04%3APU47164%21RIV06-GA0-26210___
rdf:type
skos:Concept n9:Vysledek
dcterms:description
Results of a recent study of the visualization of the two-phase flow inside an aerator of an effervescent atomizer are presented. Effervescent atomization is characterised by bubbling a small amount of gas into the liquid upstream of the exit orifice, thereby forming a two-phase flow. A simplified transparent model of atomizer has been designed in order to observe the two-phase flow of light heating oil and air mixture. High-speed camera Redlake MotionPro was used for visualization. Two-phase flow patteerns for specific atomizer operating conditions for vertical downward and horizontal pipe flow were recognised and the mixing processes inside an aerator were described and compared with published two-phase flow maps. The results show that observed two-phase flow patterns are not always in a good agreement with the findings acquired with use of two-phase flow maps. As the effervescent atomizer sprays tend to be unsteady under some operating conditions, a method for mixture unsteadiness measurement was d Results of a recent study of the visualization of the two-phase flow inside an aerator of an effervescent atomizer are presented. Effervescent atomization is characterised by bubbling a small amount of gas into the liquid upstream of the exit orifice, thereby forming a two-phase flow. A simplified transparent model of atomizer has been designed in order to observe the two-phase flow of light heating oil and air mixture. High-speed camera Redlake MotionPro was used for visualization. Two-phase flow patteerns for specific atomizer operating conditions for vertical downward and horizontal pipe flow were recognised and the mixing processes inside an aerator were described and compared with published two-phase flow maps. The results show that observed two-phase flow patterns are not always in a good agreement with the findings acquired with use of two-phase flow maps. As the effervescent atomizer sprays tend to be unsteady under some operating conditions, a method for mixture unsteadiness measurement was d Jsou prezentovány výsledky vizualizace dvoufázového toku uvnitř směšovací komory effervescent trysky. Atomizace effervescent trysek je založena na směšování malého množství plynu s kapalinou před výstupem z trysky. Pro pozorování dvoufázového toku této směsi byl vytvořen zjednodušený model trysky z plexiskla. Pomocí vysokorychlostní kamery bylo detekováno několik specifických režimů dvoufázového toku a porovnáno s výsledky získanými s pomocí publikovaných map dvoufázového toku. Protože typu effervescentt mají sklon k tvorbě nestabilního spreje, byla také této problematice věnována pozornost. Byla vytvořena a aplikována vlstní matodika měření nestabilit.
dcterms:title
Characteristics of a Two-phase Flow Inside the Mixing Chamber of an Effervescent Atomizer Vlastnosti dvoufázového toku uvnitř směšovací komory trysky typu effervescent Characteristics of a Two-phase Flow Inside the Mixing Chamber of an Effervescent Atomizer
skos:prefLabel
Vlastnosti dvoufázového toku uvnitř směšovací komory trysky typu effervescent Characteristics of a Two-phase Flow Inside the Mixing Chamber of an Effervescent Atomizer Characteristics of a Two-phase Flow Inside the Mixing Chamber of an Effervescent Atomizer
skos:notation
RIV/00216305:26210/04:PU47164!RIV06-GA0-26210___
n3:strany
1-8
n3:aktivita
n18:P
n3:aktivity
P(GP101/03/P020), P(OE96)
n3:dodaniDat
n14:2006
n3:domaciTvurceVysledku
n8:4040619 n8:6476988
n3:druhVysledku
n15:D
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
557374
n3:idVysledku
RIV/00216305:26210/04:PU47164
n3:jazykVysledku
n16:eng
n3:klicovaSlova
effervescent atomizer, two-phase flow pattern, spray unsteadiness, flow unsteadiness measurement, flow visualization
n3:klicoveSlovo
n5:two-phase%20flow%20pattern n5:effervescent%20atomizer n5:spray%20unsteadiness n5:flow%20unsteadiness%20measurement n5:flow%20visualization
n3:kontrolniKodProRIV
[53F37325A86C]
n3:mistoKonaniAkce
Pisa
n3:mistoVydani
Pisa
n3:nazevZdroje
Two-Phase Flow Modelling and Experimentation 2004
n3:obor
n13:BK
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n12:GP101%2F03%2FP020 n12:OE96
n3:rokUplatneniVysledku
n14:2004
n3:tvurceVysledku
Jícha, Miroslav Jedelský, Jan
n3:typAkce
n7:WRD
n3:zahajeniAkce
2004-09-22+02:00
s:numberOfPages
8
n17:hasPublisher
University of Pisa
n21:isbn
88-467-1075-4
n11:organizacniJednotka
26210