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THMT-15. Proceedings of the Eighth International Symposium On Turbulence Heat and Mass Transfer
September, 15-18, 2015, Sarajevo, Bosnia and Herzegovina

DOI: 10.1615/ICHMT.2015.THMT-15


ISBN Print: 978-1-56700-427-4

ISBN CD: 978-1-56700-428-8

Gas-solid turbulence modulation analyzed by wavelet MRA, Kolmogorov-Sinai entropy, correlation dimension and Euler/Lagrange simulation

pages 543-546
DOI: 10.1615/ICHMT.2015.THMT-15.1160
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要約

This exploratory study aims at investigating the gas-solid turbulent flow in a horizontal pipe system. The Wavelet Multi-Resolution Analysis (MRA), the Kolmogorov-Sinai Entropy and the Correlation Dimension methods on wall pressure-time signals were analyzed. Results show a signal non-monotonic variability reduction from the highest to lowest time-scales; velocity and pressure fluctuations attenuations by particles; and an increase of the gas-solid flow predictability and complexity in the presence of denser and larger particles.

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