Turbulence measurements in the developing region of a turbulent round jet using a software-driven laser doppler system

Mohd Rusdy Yaacob*, Preben Buchhave, Clara Marika Velte

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Abstract

This paper demonstrates turbulence measurements across the developing region of a turbulent round jet. A high accuracy software-driven LDA system was used to obtain the radial profiles of first and second-order static moments of the streamwise velocity. Measurements were performed in radial direction at different downstream positions. The normalized profiles for the more downstream positions (15, 20 and 30 jet exit diameters) collapse, while the first position at 10 diameters deviates slightly. Similar expected trend is also seen on the first-order counterpart. These promising results indicate that the improved LDA system is uniquely suited for this kind of challenging measurements.
Original languageEnglish
Title of host publicationProceedings of Mechanical Engineering Research Day 2020
EditorsMohd Fadzli Bin Abdollah, Hilmi Amiruddin, Amrik Singh Phuman Singh
Place of PublicationMelaka
PublisherCentre for Advanced Research on Energy
Publication date2020
Pages375-376
ISBN (Electronic)978-967-2454-36-6
Publication statusPublished - 2020
Event7th Mechanical Engineering Research Day (MERD'20) - Kampus Teknologi UTeM (virtual), Melaka, Malaysia
Duration: 16 Dec 202016 Dec 2020

Conference

Conference7th Mechanical Engineering Research Day (MERD'20)
LocationKampus Teknologi UTeM (virtual)
CountryMalaysia
CityMelaka
Period16/12/202016/12/2020

Keywords

  • LDA turbulence measurements
  • Developing region
  • Turbulent round jet

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