Characterisation of flow and heat transfer patterns in low aspect ratio packed beds by a 3D network-of-voids model

Chemical Engineering Research and Design

Volumn 89, Issue 2, 2011, Pages 230-238

  Chigada, Peter I ^a  

^a UNIVERSITY OF MANCHESTER   (United Kingdom)

Author keywords

Fluid flow; Heat transfer; Low aspect ratio packed bed reactors; Network modelling; Voidage

Indexed keywords

3D NETWORKS; CATALYST PELLET; CHARACTERISATION; COMPUTATIONAL RESOURCES; DISCRETE FLOW; FIXED BED REACTOR; FLOW AND HEAT TRANSFER; FLUID FLOW; FRACTION VARIATION; HOT SPOT; INTERSTITIAL FLOW; LOCAL TEMPERATURE; LOW ASPECT RATIO; LOW ASPECT RATIO PACKED BED REACTORS; MODEL PREDICTION; NETWORK MODELLING; QUALITATIVE FEATURES; RANDOM INSERTIONS; SINGLE TUBES; SPHERE PACKINGS; TEMPERATURE DIFFERENCES; TUBULAR REACTORS; VOIDAGE; WALL HEAT TRANSFER;

ASPECT RATIO; CHEMICAL REACTORS; FLOW OF FLUIDS; HEAT TRANSFER COEFFICIENTS; SPHERES; THREE DIMENSIONAL; TUBES (COMPONENTS); VOID FRACTION;

PACKED BEDS;

EID: 79551563235     PISSN: 02638762     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cherd.2010.05.002     Document Type: Article

References (23)

1. Baldwin C.A., Sederman A.J., Mantle M.D., Alexander P., Gladden L.F. Determination and characterization of the structure of a pore space from 3D volume images. J Colloidal Interface Sci 1996, 181:79-92.
2. Chigada, P.I., 2006, Flow structure and heat transfer in low aspect ratio fixed beds. PhD Thesis, The University of Manchester, Manchester, UK.
3. Chigada P.I., Mann R. A network-of-voids model to assess wall flow patterns and heat transfer for low aspect ratio packed-bed reactors. Int J Chem React Eng 2008, 6:A84.
4. Chu C.F., Ng K.M. Flow in packed tubes with a small tube to particle diameter ratio. AIChE J 1989, 35(1):148-158.
5. Colburn A.P. A method of correlating forced convection heat transfer data and a comparison with fluid friction. Trans Am Inst Chem Eng 1933, 29:174.
6. Daszkowski T., Eigenberger G. A reevaluation of fluid flow, heat transfer and chemical reaction in catalyst filled tubes. Chem Eng Sci 1992, 47:2245-2250.
7. Dixon A.G. Heat transfer in fixed beds at very low(<4) tube -to-particle diameter ratio. Ind Eng Chem Res 1997, 36:3053-3064.
8. Dullien F.A.L. Characterization of porous media. Transport Porous Med 1991, 6:581-606.
9. Govindarao V.M.H., Ramrao K.V.S., Rao A.V.S. Structural characteristics of packed beds of low aspect ratio. Chem Eng Sci 1992, 47(8):2105-2109.
10. Gunjal P.R., Ranade V.V., Chaudhari R.V. Computational study of a single-phase flow in packed beds of spheres. AIChE J 2005, 51(2):365-378.
11. Koning G.W., Kronberg A.E., van Swaaij W.P.M. Improved one-dimensional model of a tubular packed bed reactor. Chem Eng Sci 2006, 61:3167-3175.
12. Levenspiel O. Engineering Flow and Heat Exchange 1998, Plenum Press, New York.
13. Logtenberg S.A., Nijemeisland M., Dixon A.G. Computational fluid dynamics simulations of fluid flow and heat transfer at the wall-particle contact points in a fixed-bed reactor. Chem Eng Sci 1999, 54:2433-2439.
14. Moustafa T.M., Elreesh-Abou M., Fateen S.-E.K. Modelling, simulation, and optimization of the catalytic reactor for methanol oxidative dehydrogenation. Comsol Conference 2007.
15. Nijemeisland M., Dixon A.G. CFD study of fluid flow and wall heat transfer in a fixed bed of spheres. AIChE J 2004, 50(5):906-921.
16. Papageorgiou J.N., Froment G.F. Simulation models accounting for radial voidage profiles in fixed-bed reactors. Chem Eng Sci 1995, 50:3043-3056.
17. Reddy R.K., Joshi J.B. CFD modeling of pressure drop and drag coefficient in fixed and expanded beds. Chem Eng Res Des 2008, 86:444-453.
18. Seider E.N., Tate G.E. Heat transfer and pressure drops of liquids in tubes. Ind Eng Chem 1936, 28(2):1429-1435.
19. Thompson K.E., Fogler S.H. Modeling flow in disordered packed beds from pore-scale fluid mechanics. AIChE J 1997, 43(6):1377-1389.
20. Vortmeyer D., Winter R.P. On the validity limits of packed bed reactor continuum models with respect to tube to particle diameter ratio. Chem Eng Sci 1984, 39(9):1430-1432.
21. Winterberg M., Tsotsas E., Krischke A., Vortmeyer D. A simple and coherent set of coefficients for modelling of heat and mass transport with and without chemical reaction in tubes filled with spheres. Chem Eng Sci 2000, 55:967-979.
22. Yagi S., Kunii D. Studies on heat transfer near wall surface in packed beds. AIChE J 1960, 6(1):97-104.
23. Zeiser T., et al. Analysis of the flow field and pressure drop in fixed-bed reactors with the help of lattice Boltzmann simulations. Philos Trans R Soc Lond A 2002, 360:507-520.