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contributor authorK. Sato
date accessioned2017-05-08T23:38:50Z
date available2017-05-08T23:38:50Z
date copyrightJune, 1992
date issued1992
identifier issn0098-2202
identifier otherJFEGA4-27067#255_1.pdf
identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/110456
description abstractThin wires of various diameters from 0.07 to 0.7 mm are examined about appearances and characteristics of bubble occurrence behind them in the range of low Reynolds numbers. The appearance of bubbles is very dependent on diameters of wires. Two different types of bubbles can be observed in the present experiment. One is a streamer-type bubble for smaller wires and the other is a small unspherical bubble for larger wires. The incipient and the desinent values of cavitation number also change greatly with the bubble types. The streamer-type bubble is related to the presence of laminar separation zone and the growth due to air diffusion. The small unspherical bubble can be mainly attributed to the motion of rolled-up vortices and the growth due to vaporization.
publisherThe American Society of Mechanical Engineers (ASME)
titleOccurrence of Bubbles in a Thin Wire at Low Reynolds Number
typeJournal Paper
journal volume114
journal issue2
journal titleJournal of Fluids Engineering
identifier doi10.1115/1.2910024
journal fristpage255
journal lastpage260
identifier eissn1528-901X
keywordsReynolds number
keywordsWire
keywordsBubbles
keywordsVortices
keywordsCavitation
keywordsDiffusion (Physics)
keywordsSeparation (Technology) AND Motion
treeJournal of Fluids Engineering:;1992:;volume( 114 ):;issue: 002
contenttypeFulltext


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