Effects of turbulence modelling on prediction of flow characteristics in a bench-scale anaerobic gas-lift digester.

@article{Coughtrie2013EffectsOT,
  title={Effects of turbulence modelling on prediction of flow characteristics in a bench-scale anaerobic gas-lift digester.},
  author={A R Coughtrie and Duncan Borman and P. Andrew Sleigh},
  journal={Bioresource technology},
  year={2013},
  volume={138},
  pages={297-306}
}
Flow in a gas-lift digester with a central draft-tube was investigated using computational fluid dynamics (CFD) and different turbulence closure models. The k-ω Shear-Stress-Transport (SST), Renormalization-Group (RNG) k-∊, Linear Reynolds-Stress-Model (RSM) and Transition-SST models were tested for a gas-lift loop reactor under Newtonian flow conditions validated against published experimental work. The results identify that flow predictions within the reactor (where flow is transitional) are… CONTINUE READING

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