A computational fluid dynamic study of a low-humidity co-current spray dryer

Asia-Pacific Journal of Chemical Engineering

Volumn 2, Issue 1, 2007, Pages 12-19

  Huang, Li Xin ^a,c   Mujumdar, A S ^b  

^a RESEARCH INSTITUTE OF FORESTRY   (China)

^b NATIONAL UNIVERSITY OF SINGAPORE   (Singapore)

^c Institute of Chemical Industry of Forest Products   (China)

Author keywords

Droplet size distribution; Heat transfer and mass transfer; Low dew point; Particle residence time; Two phase flow

Indexed keywords

ATMOSPHERIC HUMIDITY; DROPS; HEAT TRANSFER; MASS TRANSFER; SIZE DISTRIBUTION; SPRAY DRYING; TWO PHASE FLOW;

DROPLET SIZE DISTRIBUTION; LOW DEW POINT; PARTICLE RESIDENCE TIME;

COMPUTATIONAL FLUID DYNAMICS;

EID: 34548185439     PISSN: 19322135     EISSN: 19322143     Source Type: Journal    
DOI: 10.1002/apj.49     Document Type: Conference Paper

References (31)

1. Birchal VS, Huang LX, Mujumdar AS, Passos ML. Spray dryers: modelling and simulation. Dry. Technol. 2006; 24(3): 369-371.
2. Crowe CT, Sharma MP, Stock DE. The particle-source-in-cell (PSI-Cell) model for gas-droplet flows. J. Fluids Eng. 1977; 99: 325-332.
3. Crowe CT, Sommerfeld M, Tsuji Y. Multiphase Flows with Droplets and Particles (60-65). CRC Press: Boca Raton, FL, 1998.
4. Dombrowski N, Foumeny EA, Riza A. Know the CFD code, Chem. Eng. Process. 1993; 46: 46-48.
5. Ducept F, Sionneau M, Vasseur J. Superheated steam dryer: simulations and experiments on product drying. Chem. Eng. J. 2002; 86: 75-83.
6. Filkova I, Huang LX, Mujumdar AS. Industrial spray drying systems. In Handbook of Industrial Drying (3rd edn), Mujumdar AS (ed). Marcel Dekker, Inc.: New York, 2006; 1.
7. Flink JM. Energy analysis in dehydration processes. Food Technol. 1977a; 31(3): 77-79.
8. Fluent Manual. Chap. 2: Materials; Chap. 19: Discrete Phase Models; Chap. 20: Turbulence Model, 2002; www.fluent.com
9. Fluent Manual. Chap. 19: Discrete Phase Models, 2006; www.fluent.com
10. Guo B, Langrish TAG, Fletcher DF. Simulation of turbulent swirl flow in an axisymmetric sudden expansion. AIAA J. 2001; 39(1): 96-102.
11. Huang LX, Mujumdar AS. Classification & selection of spray dryers. Chem. Ind. Dig. (India) 2003; 7-8: 75-84.
12. Huang LX, Mujumdar AS. Development of a new innovative conceptual design for horizontal spray dryer via mathematical modeling. Dry. Technol. 2005; 23(6): 1169-1187.
13. Huang LX, Kumar K, Mujumdar AS. A parametric study of the gas flow patterns and drying performance of co-current spray dryer: results of a computational fluid dynamics study. Dry. Technol. 2003; 21(6): 957-978.
14. Huang LX, Kumar K, Mujumdar AS. Simulation of a spray dryer fitted with a rotary disk atomizer using a three dimensional computational fluid dynamic model. Dry. Technol. 2004; 22(6): 1489-1515.
15. Huang LX, Kumar K, Mujumdar AS. A comparative study of a spray dryer with rotary disc atomizer and pressure nozzle using computational fluid dynamic simulations. Chem. Eng. Process. 2006; 45(6): 460-471.
16. Kieviet FG. Modelling quality in spray drying, PhD thesis, Endinhoven University of Technology, The Netherlands, 1997.
17. Kota K, Langrish TAG. Fluxes and patterns of wall deposits fpr skim milk in a pilot-scale spray dryer. Dry. Technol. 2006; 24(8): 993-1002.
18. Langrish TAG, Zbincinski I. The effects of air inlet geometry and spray cone angle on the wall deposition rate in spray dryers. Trans. I. Chem. E. 1994; 72(A): 420-430.
19. Langrish TAG, Kockel TK. The assessment of a characteristic drying curve fo milk powder for use in computational fluid dynamics modelling. Chem. Eng. J. 2001; 84: 69-74.
20. Launder BE, Spalding DB. The numerical computation of turbulent flows. Comput. Methods Appl. Mech. Eng. 1974; 3: 269-289.
21. Levi-Hevroni D, Levy A, Borde I. Mathematical modelling of drying of liquid/solid slurries in steady state one-dimensional flow. Dry. Technol. 1995; 13(5-7): 1187-1201.
22. Masters K. Spray Drying in Practice. SprayDryConsult International ApS: Denmark, 2002; 27-25.
23. Mujumdar AS. Dryers for particulate solids, slurries and sheet-form materials. In Mujumdar's Pratical Guide to Industrial Drying, Devahastin S (ed.). Exergex Corporation: Canada, 2000; 187.
24. Mujumdar AS. Drying research- current status and future trends. Dev. Chem. Eng. Miner. Process. 2002; 10(3/4): 225-246.
25. Nijdam JJ, Guo B, Fletcher DF, Langrish TAG. Validation of the Lagrangian approach for predicting turbulent dispersion and evaporation of droplets within a spray. Dry. Technol. 2006; 24(11): 1373-1379.
26. Oakley D, Bahu R, Reay D. The aerodynamics of co-current spray dryers. In DRYING'92, Mujumdar AS (ed.). Elsevier: Amsterdam, 1992; 359-364.
27. Papakis SE, King CJ. Air temperature and humidity profiles in spray drying. 1. Features predicted by particle-source-in-cell model; 2. Experimental measurements. Ind. Eng. Chem. Res. 1988; 27: 2111-2116, 2116-2123.
28. Ratti C. Hot air and freeze-drying of high-value foods: a review. J. Food Eng. 2001; 49: 311-319.
29. Reinhold M, Horst C, Hoffmann U. Experimental and theoretical investigations of a spray dryer with simultaneous chemical reaction. Chem. Eng. Sci. 2001; 56: 1657-1665.
30. Southwell DB, Langrish TAG. Observations of flow patterns in a spray dryer. Dry. Technol. 2000; 18(2): 661-685.
31. Wu ZH, Liu XD. Simulation of spray drying of a solution atomized in a pulsating flow. Dry. Technol. 2002; 20(6): 1101-1121.