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http://hdl.handle.net/1942/26507
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DC Field | Value | Language |
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dc.contributor.author | GIELEN, Bjorn | - |
dc.contributor.author | Marchal, S. | - |
dc.contributor.author | JORDENS, Jeroen | - |
dc.contributor.author | THOMASSEN, Leen | - |
dc.contributor.author | BRAEKEN, Leen | - |
dc.contributor.author | Van Gerven, Tom | - |
dc.date.accessioned | 2018-07-31T10:10:37Z | - |
dc.date.available | 2018-07-31T10:10:37Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | ULTRASONICS SONOCHEMISTRY, 31, p. 463-472 | - |
dc.identifier.issn | 1350-4177 | - |
dc.identifier.uri | http://hdl.handle.net/1942/26507 | - |
dc.description.abstract | In the present work, the influence of gas addition is investigated on both sonoluminescence (SL) and radical formation at 47 and 248 kHz. The frequencies chosen in this study generate two distinct bubble types, allowing to generalize the conclusions for other ultrasonic reactors. In this case, 47 kHz provides transient bubbles, while stable ones dominate at 248 kHz. For both bubble types, the hydroxyl radical and SL yield under gas addition followed the sequence: Ar > Air > N-2 >> CO2. A comprehensive interpretation is given for these results, based on a combination of thermal gas properties, chemical reactions occurring within the cavitation bubble, and the amount of bubbles. Furthermore, in the cases where argon, air and nitrogen were bubbled, a reasonable correlation existed between the OH-radical yield and the SL signal, being most pronounced under stable cavitation at 248 kHz. Presuming that SL and OH originate from different bubble populations, the results indicate that both populations respond similarly to a change in acoustic power and dissolved gas. Consequently, in the presence of non-volatile pollutants that do not quench SL, sonoluminescence can be used as an online tool to qualitatively monitor radical formation. (C) 2016 Elsevier B.V. All rights reserved. | - |
dc.description.sponsorship | The research leading to these results has received funding from the European Community's Seventh Framework Programme (FP7/2007-2013) under Grant agreement no NMP2-SL-2012-309874 (ALTEREGO). J. Jordens acknowledges funding of a Ph.D. grant by the Agency for Innovation by Science and Technology (IWT). | - |
dc.language.iso | en | - |
dc.rights | (C) 2016 Elsevier B.V. All rights reserved. | - |
dc.subject.other | ultrasound; gases; sonoluminescence; radical formation | - |
dc.title | Influence of dissolved gases on sonochemistry and sonoluminescence in a flow reactor | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 472 | - |
dc.identifier.spage | 463 | - |
dc.identifier.volume | 31 | - |
local.bibliographicCitation.jcat | A1 | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
local.class | dsPublValOverrule/internal_author_not_expected | - |
local.class | IncludeIn-ExcludeFrom-List/ExcludeFromFRIS | - |
dc.identifier.doi | 10.1016/j.ultsonch.2016.02.001 | - |
dc.identifier.isi | 000373419900056 | - |
item.contributor | GIELEN, Bjorn | - |
item.contributor | Marchal, S. | - |
item.contributor | JORDENS, Jeroen | - |
item.contributor | THOMASSEN, Leen | - |
item.contributor | BRAEKEN, Leen | - |
item.contributor | Van Gerven, Tom | - |
item.fullcitation | GIELEN, Bjorn; Marchal, S.; JORDENS, Jeroen; THOMASSEN, Leen; BRAEKEN, Leen & Van Gerven, Tom (2016) Influence of dissolved gases on sonochemistry and sonoluminescence in a flow reactor. In: ULTRASONICS SONOCHEMISTRY, 31, p. 463-472. | - |
item.accessRights | Restricted Access | - |
item.fulltext | With Fulltext | - |
crisitem.journal.issn | 1350-4177 | - |
crisitem.journal.eissn | 1873-2828 | - |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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Influence.pdf Restricted Access | Published version | 548.8 kB | Adobe PDF | View/Open Request a copy |
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