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Title:

Geometry and dynamics of passive scalar structures in compressible turbulent mixing

Document type:
Zeitschriftenaufsatz
Author(s):
Buchmeier, Jonas; Bußmann, Alexander; Gao, Xiangyu; Bermejo-Moreno, Iván
Abstract:
We present a structure-based numerical analysis of passive scalar mixing in decaying homogeneous isotropic turbulence (DHIT) and shock-turbulence interaction canonical configurations. The analysis focuses on the temporal evolution of ensembles of passive scalar structures, initialized as spheres of different sizes relative to the Taylor microscale. An algorithm is introduced to track the evolution of each individual structure and the interactions with other structures in the ensemble, relating c...     »
Dewey Decimal Classification:
620 Ingenieurwissenschaften
Journal title:
Physics of Fluids
Year:
2021
Journal volume:
33
Journal issue:
10
Pages contribution:
105126
Covered by:
Scopus
Language:
en
Fulltext / DOI:
doi:10.1063/5.0068010
WWW:
https://aip.scitation.org/doi/10.1063/5.0068010
Publisher:
AIP Publishing
E-ISSN:
1070-66311089-7666
Notes:
Funding text Financial support was provided by the Army Research Office (Grant No. W911NF2010096, Program Manager M. Munson) and the 2018 Summer Program at the Center for Turbulence Research (Stanford University). Computation for the work described in this paper was supported by the University of Southern California’s Center for High-Performance Computing and an award of computer time provided by the Innovative and Novel Computational Impact on Theory and Experiment (INCITE) program. This resea...     »
Date of publication:
01.10.2021
TUM Institution:
Lehrstuhl für Aerodynamik und Strömungsmechanik
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