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  • Third International conference on energy, materials, applied energetics and pollution (ICEMAEP'16)
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  • Third International conference on energy, materials, applied energetics and pollution (ICEMAEP'16)
  • Actes CIEMEAP 2016
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FLOW DYNAMICS OF AN IMPINGING PLANE JET GENERATING SLOT TONES

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ICEMAEP16_art163.pdf (566.1Kb)
Date
2016-10-31
Author
KHAROUA, Nabil
KHEZZAR, Lyes
ALSHEHHI, Mohamed
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Abstract
A plane jet, impinging on a slotted surface, was studied using Large Eddy Simulation LES. The slotted surface was placed a distance equal to four times the jet width. The Reynolds number, based on the jet width and the mean inlet velocity was equal to 5435. The interaction of the jet with the slot generates self-sustained noise. The dynamic field of the turbulent flow was explored to investigate the high and low pressure zones directly related to the behavior of the coherent structures generated within the two plane free-shear layers developing on either side of the jet. These coherent structures might travel in parallel pairs causing a throttling phenomenon to occur when they interact with the slot. The slot toones are strongly related to such phenomena
URI
http://hdl.handle.net/123456789/135286
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  • Actes CIEMEAP 2016 [179]

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