Volumetric velocimetry for small seeding tracers in large volumes

Y. Zhang*, H. Abitan, S. L. Ribergård, C. M. Velte

*Corresponding author for this work

    Research output: Contribution to conferencePaperResearchpeer-review

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    Abstract

    This paper presents the volumetric velocity measurement method of small seeding tracer with diameter 5μm 100μm for volumes of 500cm3. The size of seeding tracer is between helium-filled soap bubbles (HFSB) and di-ethyl-hexyl-sebacic acid ester(DEHS) droplets. The targeted measurement volume dimension is equivalent to the volume of HFSB, which will give a higher resolution of turbulence study. The relations between particle size, imaging and light intensity are formulated. The estimation of the imaging results is computed for the setup design. Finally, the methodology is demonstrated for turbulence velocity measurements in the jet flow, in which the velocities of averaged diameter 15μm air filled soap bubbles are
    measured in a volume of 7200cm3.
    Original languageEnglish
    Publication date2021
    Number of pages11
    DOIs
    Publication statusPublished - 2021
    Event14th International Symposium on Particle Image Velocimetry - Virtuel event
    Duration: 1 Aug 20214 Aug 2021

    Conference

    Conference14th International Symposium on Particle Image Velocimetry
    LocationVirtuel event
    Period01/08/202104/08/2021

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