Scale-similar clustering of heavy particles in the inertial range of turbulence.
basic_science · Level V
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- Record sourced from PubMed, PMID 29776089.
- Also identified by DOI 10.1103/PhysRevE.97.033109.
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Abstract
Heavy particle clustering in turbulence is discussed from both phenomenological and analytical points of view, where the -4/3 power law of the pair-correlation function is obtained in the inertial range. A closure theory explains the power law in terms of the balance between turbulence mixing and preferential-concentration mechanism. The obtained -4/3 power law is supported by a direct numerical simulation of particle-laden turbulence.