References

1. M. Meister, D. Winkler, M. Rezavand, W. Rauch, Integrating hydrodynamics and biokinetics in wastewater treatment modelling by using smoothed particle hydrodynamics, Comput. Chem. Eng., 99 (2017) 1–12.
2. A.M. Karpinska, J. Bridgeman, CFD-aided modelling of activated sludge systems – a critical review, Water Res., 88 (2016) 861–879.
3. W. Chen, M. Xu, The two-dimensional simulation study of flow pattern near guiding wall of oxidation ditch, J. Water Resour. Prot., 2 (2010) 814–817.
4. L. Fan, N. Xu, Z. Wang, H. Shi, PDA experiments and CFD simulation of a lab-scale oxidation ditch with surface aerators, Chem. Eng. Res. Des., 88 (2010) 23–33.
5. W. Wei, Y. Liu, L. Bin, Numerical simulation of optimal submergence depth of impellers in an oxidation ditch, Desal. Water Treat., 57 (2016) 8228–8235.
6. Y. Zhang, Y. Zheng, E. Fernandez-Rodriguez, C. Yang, Y. Zhu, H. Liu, H. Jiang, Optimization design of submerged propeller in oxidation ditch by computational fluid dynamics and comparison with experiments, Water Sci. Technol., 74 (2016) 681–690.
7. J. Climent, R. Martínez-Cuenca, P. Carratalà, M.J. González-Ortega, M. Abellán, G. Monrós, S. Chiva, A comprehensive hydrodynamic analysis of a full-scale oxidation ditch using Population Balance Modelling in CFD simulation, Chem. Eng. J., 374 (2019) 760–775.
8. Y. Yang, Y. Wu, X. Yang, K. Zhang, J. Yang, Flow field prediction in full-scale carrousel oxidation ditch by using computational fluid dynamics, Water Sci. Technol., 62 (2010) 256–265.
9. Y. Yang, J. Yang, J. Zuo, Y. Li, S. He, X. Yang, K. Zhang, Study on two operating conditions of a full-scale oxidation ditch for optimization of energy consumption and effluent quality by using CFD model, Water Res., 45 (2011) 3439–3452.
10. W. Huang, K. Li, G. Wang, Y. Wang, Computational fluid dynamics simulation of flows in an oxidation ditch driven by a new surface aerator, Environ. Eng. Sci., 30 (2013) 663–671.
11. L. Lei, J. Ni, Three-dimensional three-phase model for simulation of hydrodynamics, oxygen mass transfer, carbon oxidation, nitrification and denitrification in an oxidation ditch, Water Res., 53 (2014) 200–214.
12. H. Xie, J. Yang, Y. Hu, H. Zhang, Y. Yang, K. Zhang, X. Zhu, Y. Li, C. Yang, Simulation of flow field and sludge settling in a full-scale oxidation ditch by using a two-phase flow CFD model, Chem. Eng. Sci., 109 (2014) 296–305.
13. A.M. Karpinska, M.M. Dias, R.A.R. Boaventura, R.J. Santos, Modeling of the hydrodynamics and energy expenditure of oxidation ditch aerated with hydrojets using CFD codes, Water Qual. Res. J. Can., 50 (2015) 83–94.
14. W. Wei, Z. Zhang, Y. Zheng, Y. Liu, Numerical simulation of additional guiding baffles to improve velocity distribution in an oxidation ditch, Desal. Water Treat., 57 (2016) 24257–24266.
15. W. Wei, Y. Bai, Y. Liu, Optimization of submerged depth of surface aerators for a carrousel oxidation ditch based on large eddy simulation with Smagorinsky model, Water Sci. Technol., 73 (2016) 1608–1618.
16. A.I. Stamou, Prediction of Hydrodynamic Characteristic of Oxidation Ditches Using the k–ε Turbulence Model, 2nd Int. Symp. Eng. Turbul. Model. Meas., Florance, Italy, 1993, pp. 261–271.
17. L. Luo, W. Li, Y. Deng, T. Wang, Numerical simulation of a combined oxidation ditch flow using 3D k–ε turbulence model, J. Environ. Sci., 17 (2005) 808–812.
18. R. Sibil, M. Berkun, S. Bekiroglu, The comparison of different mathematical methods to determine the BOD parameters, a new developed method and impacts of these parameters variations on the design of WWTPs, Appl. Math. Modell., 38 (2014) 641–658.
19. ANSYS Fluent, ANSYS Fluent, 2013.
20. T.H. Shih, W.W. Liou, A. Shabbir, Z. Yang, J. Zhu, A new k–ε eddy viscosity model for high Reynolds number turbulent flows, Comput. Fluids, 24 (1995) 227–238.
21. W.C. Reynolds, Fundamentals of Turbulence for Turbulence Modelling and Simulation, Lecture Notes von Karman Insitute, 1987, pp. 1–66.
22. H.X. Littleton, G.T. Daigger, P.F. Strom, Application of computational fluid dynamics to closed-loop bioreactors: I. characterization and simulation of fluid-flow pattern and oxygen transfer, Water Environ. Res., 79 (2007) 600–612.