Highly swirling transient flows in spray dryers and consequent effect on modeling of particle deposition

Chemical Engineering Research and Design

Volumn 90, Issue 3, 2012, Pages 336-345

  Woo, M W ^a,c   Che, L M ^b   Daud, W R W ^a   Mujumdar, A S ^d   Chen, X D ^b,c  

^a UNIVERSITI KEBANGSAAN MALAYSIA   (Malaysia)

^b XIAMEN UNIVERSITY   (China)

^c MONASH UNIVERSITY   (Australia)

^d NATIONAL UNIVERSITY OF SINGAPORE   (Singapore)

Author keywords

CFD; Particle deposition; Rotating disc; Spray dryer; Transient air flow

Indexed keywords

ATOMIZING DISCS; FLOW CHARACTERISTIC; HOT-WIRE MEASUREMENTS; KEY FEATURE; PARTICLE DEPOSITION; PARTICLE DEPOSITIONS; PARTICLE VELOCITIES; RECIRCULATION REGIONS; ROTARY DISCS; ROTATING DISC; SPRAY DRYER; SPRAY DRYERS; TIME-SCALES; TRANSIENT FLOW;

COMPUTATIONAL FLUID DYNAMICS; FLOW FIELDS; ROTATION; TRANSITION FLOW;

DRYERS (EQUIPMENT);

EID: 84862780323     PISSN: 02638762     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cherd.2011.06.019     Document Type: Article

References (23)

1. Gabites J.R., Abrahamson J., Winchester J.A. Air flow patterns in an industrial milk powder spray dryer. Chemical Engineering Research and Design 2010, 88:899-910.
2. Guo B., Langrish T.A.G., Fletcher D.F. Simulation of gas flow instability in a spray dryer. Chemical Engineering Research and Design 2003, 81:631-638.
3. Huang L.X., Kumar K., Mujumdar A.S. Simulation of a spray dryer fitted with a rotary disk atomizer using a three-dimensional computational fluid dynamic model. Drying Technology 2004, 22:1489-1515.
4. Huang L.X., Kumar K., Mujumdar A.S. Use of computational fluid dynamics to evaluate alternative spray dryer chamber configurations. Drying Technology 2003, 21:385-412.
5. Huang L.X., Mujumdar A.S. Simulation of an industrial spray dryer and prediction of off-design performance. Drying Technology 2007, 25:703-714.
6. Huang L.X., Mujumdar A.S. Numerical study of two-stage horizontal spray dryers using computational fluid dynamics. Drying Technology 2006, 24:727-733.
7. Jin Y., Chen X.D. A fundamental model of particle deposition incorporated in CFD simulations of an industrial milk spray dryer. Drying Technology 2010, 28:960-971.
8. Jin Y., Chen X.D. Numerical study of the drying process of different sized particles in an industrial-scale spray dryer. Drying Technology 2009, 27:371-381.
9. Kota K., Langrish T.A.G. Prediction of deposition patterns in a pilot-scale spray dryer using Computational Fluid Dynamics (CFD) simulations. Chemical Product and Process Modeling 2007, 2. Article 26.
10. Langrish T.A.G., Williams J., Fletcher D.F. Simulation of the effects of inlet swirl on gas flow patterns in a pilot-scale spray dryer. Chemical Engineering Research and Design 2004, 82:821-833.
11. Langrish T.A.G., Zbicinski I. The effects of air inlet geometry and spray cone angle on the wall deposition rate in spray dryers. Chemical Engineering Research and Design 1994, 72:420-430.
12. Lebarbier C., Kockel T.K., Fletcher D.F., Langrish T.A.G. Experimental measurement and numerical simulation of the effect of swirl on flow stability in spray dryers. Chemical Engineering Research and Design 2001, 79:260-268.
13. Mezhericher M., Levy A., Borde I. Droplet-droplet interactions in spray drying by using 2D computational fluid dynamics. Drying Technology 2008, 26:265-282.
14. Southwell D.B., Langrish T.A.G. Observations of flow patterns in a spray dryer. Drying Technology 2003, 18:661-685.
15. Southwell D.B., Langrish T.A.G., Fletcher D.F. Process intensification in spray dryers by turbulence enhancement. Chemical Engineering Research and Design 1999, 77:189-205.
16. Straatsma J., Van Houwelingen G., Steenbergen A.E., De Jong P. Spray drying of food products: simulation model. Journal of Food Engineering 1999, 42:67-72.
17. Ullum T. Simulation of a spray dryer with rotary atomizer: the appearance of vortex breakdown 2006, 251-257.
18. Woo M.W., Daud W.R.W., Mujumdar A.S., Talib M.Z.M., Wu Z.H., Tasirin S.M. Steady and transient flow simulations in short-form spray dryers. Chemical Product and Process Modelling 2009, 4. Article 20.
19. Woo M.W., Daud W.R.W., Mujumdar A.S. Spray drying: operation. Deposition and CFD Simulations 2010, VDM Publisher, Germany.
20. Woo M.W., Daud W.R.W., Mujumdar A.S., Wu Z.H., Talib M.Z.M., Tasirin S.M. Evaluation of droplet drying models in a CFD spray drying environment. Drying Technology 2008, 26:1180-1198.
21. Woo M.W., Daud W.R.W., Talib M.Z.M., Tasirin S.M. Controlling food powder deposition in spray dryers at quasi-steady wall thermal condition: wall surface energy manipulation as an alternative. Journal of Food Engineering 2009, 94:192-198.
22. Woo M.W., Rogers S., Lin S.X.Q., Selomulya C., Chen X.D. Numerical probing of a low velocity concurrent pilot scale spray drying tower for mono-disperse particle production - unusual characteristics and possible improvements. Chemical Engineering and Processing 2011, 50:417-427.
23. Woo M.W., Huang L.X., Mujumdar A.S., Daud W.R.W. CFD Simulation of Spray Dryers 2010, vol. 1. Published in Singapore, ISBN:978-981-08-6270-1, pp. 1-36.