[1] E.M. Ozbayoglu, M.A. Ozbayoglu, Flow pattern and frictional-pressure-loss estimation using neural networks for UBD, Society of Petroleum Engineers, IADC/SPE 108340, (2007) 1-9.
[2] O. Bratland, Pipe Flow 2-Multiphase Flow Assurance, Flow Assurance Consulting, Thailand, 2009.
[3] A. Almabrok, Gas-Liquid Two-Phase Flow in Up and Down Vertical Pipes, PhD Thesis, Cranfeild University, 2013.
[4] D. Barnea, O. Shoham, Y. Taitel, Flow pattern transitions for vertical downward two-phase flow, Chemical Engineering Science, 37(5) (1982) 741-744.
[5] A.A. Kendoush, S.A.W. Al-khatab, Experiments on flow characterization in vertical downward two-Phase flow, Experimental Thermal and Fluid Science, 9 (1) (1994) 34-38.
[6] M. Ishii, S.S. Pranjape, S. Kim, X. Sun, Interfacial structures and interfacial area transport in downward two-phase bubbly flow, Multiphase flow, 30 (7-8), (2004) 779-801.
[7] J.Y. Lee, M. Ishii, N.S. Kim, Instantaneous and objective flow regime identification method for the vertical upward and downward co-current two-phase flow, Heat and Mass Transfer, 51(13-14) (2008) 3442-3459.
[8] M.S. Bhagwat, A. Ghajar, Similarities and differences in the flow patterns and void fraction in vertical upward and downward two phase flow, Experimental Thermal and Fluid Science, 39 (2012) 213-227.
[9] J.E. Julia, Y. Liu, T. Hibiki, M. Ishii, Local flow regime analysis in vertical co-current downward two-phase flow, Experimental Thermal and Fluid Science, 44 (2013) 345- 355.
[10] F. Raeiszadeh, E. Hajidavalloo, M. Behbahaninejad, P. Hanafizadeh, Effect of Pipe Rotation on Downward Co-current air-water flow in a vertical pipe, Multiphase Flow, 81 (2016) 1-14.
[11] R. Maryami, S. Farahat, M. H. Shafie Mayam, S. M. JavadPoor , Experimental Investigation of the Bubbly Drag Reduction in the Presence Reduction in the Presence of Axial Flow in the Couette-Taylor System, Amirkabir Journal of Sience & Research, 47(1) (2015) 33-45. (In Persian)
[12] S.C.K. De Schepper, G.J. Heynderickx, B.G. Marin, CFD modelling of all gas-liquid and vapor-liquid flow regimes predicted by the Baker chart, Chemical Engineering, 138 (2008) 349-357.
[13] T. Hibiki, H. Goda, S. Kim, M. Ishii, J. Uhle. Structure of vertical downward bubbly flow, Heat and Mass Transfer, 47 (2005) 1847–1862.
[14] M. R. Ansari, S. Rafiei Asl, N. Samkhaniani, Numerical simulation of slug flow pattern in T junction using volume of fluid method, Modares Mechanical Engineering, 15(10) (2015) 41-48. (In Persian)
[15] O.N. Kashinsky, P.D. Lobanov, M.A. Pakhomov, V.V. Randin, V.I. Terekhov, Experimental and numerical study of downward bubbly flow in a pipe, Heat and Mass Transfer, 49 (2007) 3717–3727.
[16] M.R. Rahimi, H. Karimi, Computational fluid dynamics modeling of downward bubbly flows, World Academy of Science, Engineering and Technology, 73 (2006) 832- 836.
[17] Hadidi, D. Jalali-Vahid, Numerical study of the uniform magnetic field effect on the interactions of bubbles in viscous liquid column, Modares Mechanical Engineering, 15(11) (2015) 293-302. (In Persian)
[18] A.R. Hasan, Void fraction in bubbly and slug flow in downward vertical and inclined systems, Society of Petroleum Engineers, SPE 26522, (1995) 172-176.
[19] H. Goda, T. Hibiki, S. Kim, M. Ishii, J. Uhle, Drift-flux model for downward two-phase flow, Heat and Mass Transfer, 46 (2003) 4835-4844.
[20] D. Dakshinamoorthy, Y. Dai, M. Agrawal, CFD modelling of bubbly, slug and annular flow regimes, Offshore Technology Conference, OTC 24245, 2013.
[21] P. Hanafizadeh, S. Ghanbarzadeh, M.H. Saidi, Visual technique for detection of gas–liquid two-phase flow regime in the airlift pump, Petroleum Science and Engineering, 75(3-4) (2011) 327-335.
[22] E. Stenmark, Multiphase Flow Models in Ansys CFD Software, M.Sc Thesis, Department of Applied Mechanics, Charmles University of Technology, Goteberg, Sweden, 2013.
[23] ANSYS FLUENT, 16.0 User’s Guide. ANSYS Inc, 2015.
[24] Y. Shen, C.-O. Ng, A. Chwang, A two-fluid model of turbulent two-phase flow for simulating turbulent stratified flows, Ocean engineering, 30(2) (2003) 153- 161.
[25] I. Lun, R.K. Calay, A.E. Holdo, Modeling two-phase flows using CFD, Apply Energy, 53 (1996) 299–314.
[26] L. Szalinski, L.A. Abdulkareem, M.J. Da Silva, S. Thiele, M. Beyer, D. Lucas, V. Hernandez Perez, U. Hampel, B.J. Azzopardi, Comparative study of gas–oil and gas–water two-phase flow in a vertical pipe, Chemical Engineering Science, 65(2010) 3836-3848.