Interaction of coherent structures of coaxial jet

Shiu Keung Tang, N. W M Ko

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review


Recovered fluctuating velocity vectors obtained from conditional sampling measurements in the intermediate merging zone and in the fully merged zone of coaxial jet of mean velocity ratio λ-1 = Ui/Uo = 0.3 show the presence of a w-vortex and outer vortices. Recovered uR isocontours suggest that the w-vortex has strong mode one constituent. Interaction between the vortices brings about a change in their convection velocities. It is also observed that one of the parameters which may affect their interaction and decay is their relative spatial separation.
Original languageEnglish
Title of host publicationPreprints for the Symposium on Turbulence
PublisherPubl by Univ of Missouri
Publication statusPublished - 1 Dec 1990
Externally publishedYes
EventTwelfth Turbulence Symposium - Rolla, MS, United States
Duration: 24 Sept 199026 Sept 1990


ConferenceTwelfth Turbulence Symposium
Country/TerritoryUnited States
CityRolla, MS

ASJC Scopus subject areas

  • Engineering(all)


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