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Numerical simulation of the gasoline flow features and mixing efficiency in a gasoline mixture tank with a rotary jet mixing (RJM) system installed at the bottom center has been studied applying the standard turbulent model and slipping grid technique. The result shows that the RJM does well at mixing various components with no blind corner and high mixing efficiency. The mixing density difference met the mixing requirement for the first time at 31.2s and then
showed a tendency of deterioration. It met the requirement again at 58.2s with the mixing
density difference keeping in the mixing criterion of 3‰.

Gasoline mixing; Rotary jet mixing; CFD simulation; Mixing quality