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DIRECT NUMERICAL SIMULATION OF DILUTE SUSPENSION PARTICLE-LADEN GRAVITY CURRENTS

Luis F. R. Espath
Faculdade de Engenharia Pontificia Universidade Catolica do Rio Grande do Sul Av. Ipiranga 6681, 90619-900 Porto Alegre - RS, Brasil

Leandro C. Pinto
Faculdade de Engenharia Pontificia Universidade Catolica do Rio Grande do Sul Av. Ipiranga 6681, 90619-900 Porto Alegre - RS, Brasil

Sylvain Laizet
Turbulence, Mixing and Flow Control Group, Department of Aeronautics Imperial College London, London, SW7 2BY, United Kingdom

Jorge Hugo Silvestrini
Departamento de Engenharia Mecanica e Mecatronica, Faculdade de Engenharia, Pontificia Universidade Catolica do Rio Grande do Sul Av. Ipiranga 6681, 90619-900 Porto Alegre - RS, Brasil

Résumé

For this numerical work, we are interested in the prediction of a mono-disperse dilute suspension particle-laden flow in the typical lock-exchange configuration. The main objective is to investigate the influence of the Reynolds number in such flows. 2D and 3D Direct Numerical Simulations (DNS) with three different Reynolds numbers are presented with comparisons with previous experimental and numerical works.