CFD SIMULATION OF FLOW PATTERNS IN DUAL IMPELLER STIRRED TANK

Thiyam T. Devi and Bimlesh Kumar

References

  1. [1] K. Yapici, B. Karasozen, M. Schafer, and Y. Uludag, Numerical investigation of the effect of the Rushton type turbine design factors on agitated tank flow characteristics, Chemical Engineering and Processing, 47, 2008, 1340–1349.
  2. [2] D.A. Deglon and C.J. Meyer, CFD modeling of stirred tanks: numerical considerations, Mineral Engineering, 19, 2006, 1059–1068.
  3. [3] J. Aubin, D.F. Fletcher, and C. Xuereb, Modeling turbulent flow in stirred tanks with CFD: the influence of the modeling approach, turbulence model and numerical scheme, Experimental Thermal and Fluid Science, 28, 2004, 431–445.
  4. [4] A. Bombac and I. Zun, Gas-filled cavity structures and local void fraction distribution in vessel with dual-impellers, Chemical Engineering Science, 55, 2000, 2995–3001.
  5. [5] P. Chunmei, M. Jian, L. Xinhong, and G. Zhengming, Investigation of fluid flow in a dual Rushton impeller stirred tank using particle image velocimetry, Chinese Journal of Chemical Engineering, 16(5), 2008, 693–699.
  6. [6] A.R. Khopkar, G.R. Kasat, A.B. Pandit, and V.V. Ranade, CFD simulation of mixing in tall gas–liquid stirred vessel: Role of local flow patterns, Chemical Engineering Science, 61, 2006, 2921–2929.
  7. [7] L. Xinhong, B. Yuyun, L. Zhipeng, G. Zhengming, and J.M. Smith, Particle image velocimetry study of turbulence characteristics in a vessel agitated by a dual Rushton impeller, Chinese Journal of Chemical Engineering, 16(5), 2008, 700–708.
  8. [8] Y.N. Chiu, J. Naser, K.F. Ngian, and K.C. Pratt, Computation of the flow and reactive mixing in dual-Rushton, Chemical Engineering and Processing: Process Intensification, 48, 2009, 977–987.
  9. [9] R. Zadghaffari, J. Moghaddas, and J. Revstedt, A mixingstudy in a double- Rushton stirred tank, Computational andChemical Engineering, 33, 2009, 1240–1246.
  10. [10] M. Taghavi, R. Zadghaffari, J. Moghaddas, and Y. Moghaddas, Experimental and CFD investigation of power consumption in a dual Rushton turbine stirred tank, Chemical Engineering Research and Design, 89, 2011, 280–290.
  11. [11] M. Bouaifi and M. Roustan, Power consumption, mixing time and homogenization energy in dual-impeller agitated gas–liquid reactors, Chemical Engineering and Processing, 40, 2001, 87–95.
  12. [12] M. Jahoda, M. Mostek, A. Kukukova, and V. Machon, CFDmodeling of liquid homogenization in stirred tanks with one and two impellers using large eddy simulation, Transactions of IChemE, Part A, Chemical Engineering Research and Design, 85(A5), 2007, 616–625.
  13. [13] S. Woziwodzki and L. Jedrzejczak, Effect of eccentricity on laminar mixing in vessel stirred by double turbine impellers Chemical Engineering Research and Design, 88(11), 2011, 2268–2278.
  14. [14] T.T. Devi and B. Kumar, Analyzing flow hydrodynamics in stirred tank with CD-6 and Rushton Impeller, International Review of Chemical Engineering, 3(4), 2011, 440–448.
  15. [15] E.M. Marshall and A. Bakker, Computational fluid mixing (USA: Fluent, Incorporated, 2002).
  16. [16] R. Escudie, D. Bouyer, and A. Line, Experimental analysis of trailing vortices in radially agitated tank, AIChE Journal, 50(1), 2004, 75–86.
  17. [17] A. Khopkar, J. Aubin, C.R. Atoche, C. Xuereb, N.L. Sauze, J. Bertrand, and V.V. Rannade, Flow generated by radial flow impellers: PIV measurements and CFD Simulations, International Journal of Chemical Reactor Engineering, 2(A18), 2004, 1–17.
  18. [18] A. Delafose, J. Morchain, P. Guiraud, and A. Line, Trailing vortices generated by a Rushton turbine: assessment of URANS and large eddy simulations, Chemical Engineering Research and Design, 87, 2009, 401–411.
  19. [19] Z. Jing, G. Zhengming, and B. Yuyun, Effects of the blade shape on the trailing vortices in liquid flow generated by disc turbines, Chinese Journal of Chemical Engineering, 19(2),2011, 232–242.

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