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Experimental Study on Flow Field Characteristics of a Free Circular Swirling Jet

Author

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  • Shams Sourav

    (Military Institute of Science and Technology (MIST), Bangladesh)

  • Md. Abu Taher Ali

    (Military Institute of Science and Technology (MIST), Bangladesh)

Abstract

Flow field characteristics of a free circular swirling jet are investigated in the present study considering three different swirl numbers 0.38, 0.56 and 0.80. The experiment is carried out in an air jet facility for Reynolds numbers 16300, 34400 and 49200. Pressure probe method is used for 3-hole wedge shaped yaw meter to measure and calculate the data. Mean flow velocity along with centerline mean velocity decay are analyzed where swirl changes the instinctive properties of circular jet and demolishes the potential core. Swirl motion creates negative flow field which changes the static pressure and kinetic energy distribution enormously. As a result, flow diverges earlier, and surrounding air enters into the flow field more rapidly which enhances the mixing performance of the jet.

Suggested Citation

  • Shams Sourav & Md. Abu Taher Ali, 2022. "Experimental Study on Flow Field Characteristics of a Free Circular Swirling Jet," European Journal of Engineering and Technology Research, European Open Science, vol. 7(1), pages 18-24, January.
    • Handle: RePEc:epw:ejeng0:v:7:y:2022:i:1:id:62706
    DOI: 10.24018/ejeng.2022.7.1.2706
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