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dc.contributor.authorXiong, Yuan
dc.contributor.authorCha, Min
dc.contributor.authorChung, Suk-Ho
dc.date.accessioned2016-01-10T10:10:55Z
dc.date.available2016-01-10T10:10:55Z
dc.date.issued2015-07-26
dc.identifier.doi10.1115/AJKFluids2015-15294
dc.identifier.urihttp://hdl.handle.net/10754/593175
dc.description.abstractNear nozzle flow field in flickering n-butane diffusion jet flames was investigated with a special focus on transient flow patterns of negative buoyance induced vortices. The flow structures were obtained through Mie scattering imaging with seed particles in a fuel stream using continuous-wave (CW) Argon-ion laser. Velocity fields were also quantified with particle mage velocimetry (PIV) system having kHz repetition rate. The results showed that the dynamic motion of negative buoyance induced vortices near the nozzle exit was coupled strongly with a flame flickering instability. Typically during the flame flickering, the negative buoyant vortices oscillated at the flickering frequency. The vortices were distorted by the flickering motion and exhibited complicated transient vortical patterns, such as tilting and stretching. Numerical simulations were also implemented based on an open source C++ package, LaminarSMOKE, for further validations.
dc.publisherASME International
dc.relation.urlhttp://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?doi=10.1115/AJKFluids2015-15294
dc.titleNumerical and Experimental Study on Negative Buoyance Induced Vortices in N-Butane Jet Flames
dc.typeConference Paper
dc.contributor.departmentClean Combustion Research Center
dc.identifier.journalVolume 1: Symposia
dc.conference.dateJuly 26–31, 2015
dc.conference.nameASME/JSME/KSME 2015 Joint Fluids Engineering Conference
dc.conference.locationSeoul, South Korea
dc.eprint.versionPublisher's Version/PDF
kaust.personXiong, Yuan
kaust.personCha, Min
kaust.personChung, Suk-Ho
refterms.dateFOA2018-06-13T13:27:19Z


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