Articles with "field region" as a keyword



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Large eddy simulation and self-similarity analysis of the momentum spreading in the near field region of turbulent submerged round jets

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Published in 2019 at "International Journal of Heat and Fluid Flow"

DOI: 10.1016/j.ijheatfluidflow.2019.108466

Abstract: Abstract Self-Similarity in turbulent round jets has been the object of investigation from several decades. The evolution of turbulent submerged jets is characterized by the presence of two regions: the region of flow establishment, or… read more here.

Keywords: self similarity; turbulent submerged; region; momentum spreading ... See more keywords
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Passive scalar diffusion in the near field region of turbulent rectangular submerged free jets

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Published in 2017 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2017.05.038

Abstract: Jets are a common way to transfer mass among fluids, or from a fluid to a surface. At moderate Reynolds numbers and low turbulent intensities the jet exhibits a Near Field Region (NFR) several diameters… read more here.

Keywords: scalar diffusion; near field; passive scalar; region ... See more keywords
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A Wideband Generalization of the Near-Field Region for Extremely Large Phased-Arrays

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Published in 2022 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2022.3233011

Abstract: The narrowband and far-field assumption in conventional wireless system design leads to a mismatch with the optimal beamforming required for wideband and near-field systems. This discrepancy is exacerbated for larger apertures and bandwidths. To characterize… read more here.

Keywords: field region; near field; wideband generalization; generalization near ... See more keywords