A numerical study of the influence of particle density on lift force-induced separation in a micro-separator/classifier by a macroscopic particle model

Journal of Chemical Engineering of Japan

Volumn 40, Issue 11, 2007, Pages 986-992

  Ookawara, Shinichi ^a   Agrawal, Madhusuden ^b   Street, David ^c   Ogawa, Kohei ^a  

^a TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

^b ANSYS INC   (United States)

^c Fluent Asia Pacific   (Japan)

Author keywords

Classification; Lift force; Microchannel; Particle density; Separation

Indexed keywords

DENSITY (SPECIFIC GRAVITY); DIRECT NUMERICAL SIMULATION; FLOW PATTERNS; MICROCHANNELS; SECONDARY FLOW; SEPARATION; VORTEX FLOW;

DEAN VORTICES; MACROSCOPIC PARTICLE MODEL; MICRO-SEPARATOR/CLASSIFIER; PARTICLE DENSITY; PARTICLE TRACKING METHOD;

SEPARATORS;

DENSITY (SPECIFIC GRAVITY); DIRECT NUMERICAL SIMULATION; FLOW PATTERNS; MICROCHANNELS; SECONDARY FLOW; SEPARATION; SEPARATORS; VORTEX FLOW;

EID: 37649018210     PISSN: 00219592     EISSN: None     Source Type: Journal    
DOI: 10.1252/jcej.07WE004     Document Type: Article

References (20)

1. Agrawal, M., A. Bakker and M. T. Prinkey; "Macroscopic Particle Model Tracking Big Particles in CFD," AIChE Annual Meeting, 268b, Austin, U.S.A. (2004)
2. Bennett, M. A. and R. A. Williams; "Monitoring the Operation of an Oil/Water Separator Using Impedance Tomography," Miner. Eng., 17, 605-614 (2004)
3. Drew, D. A. and R. T. Lahey, Jr.; Analytical Modeling of Multiphase Flow: Particulate Two-Phase Flows, pp. 509-566, Butterworth-Heinemann, Boston, U.S.A. (1993)
4. Fluent Inc. ed.; FLUENT 6.1 User's Guide, Levanon, U.S.A. (2003)
5. Fluent Inc. ed.; FLUENT 6.2 User's Guide, Levanon, U.S.A. (2005)
6. Ito, S., H. Habaki and J. Kawasaki; Private communications (2007)
7. McLaughlin, J. B.; "Inertial Migration of a Small Sphere in Linear Shear Flows," J. Fluid Mech., 224, 261-274 (1991)
8. Mei, R.; "An Approximate Expression for the Shear Lift Force on a Spherical Particle at Finite Reynolds Number," Int. J. Multiphase Flow, 18, 145-147 (1992)
9. Mitome, H.; "Separation Method of Neutrally-Buoyant Material in Fluid" (in Japanese), Japanese Patent 1731868 (1987)
10. Morsi, S. A. and A. J. Alexander; "An Investigation of Particle Trajectories in Two-Phase Flow Systems," J. Fluid Mech., 55, 193-208 (1972)
11. Ookawara, S., R. Higashi, D. Street and K. Ogawa; "Feasibility Study on Concentration of Slurry and Classification of Contained Particles by Microchannel," IMRET7, pp. 231-233, Lausanne, Switzerland (2003)
12. Ookawara, S., R. Higashi, D. Street and K. Ogawa; "Feasibility Study on Concentration of Slurry and Classification of Contained Particles by Microchannel," Chem. Eng. J., 101, 171-178 (2004)
13. Ookawara, S., M. Agrawal, D. Street and K. Ogawa; "Modeling the Motion of a Sphere Falling in a Quiescent Newtonian Liquid in a Cylindrical Tube by Using the Macroscopic Particle Model," 7th World Congress of Chemical Engineering, C39-004, Glasgow, U.K. (2005a)
14. Ookawara, S., D. Street and K. Ogawa; "Quantitative Prediction of Separation Efficiency of a Micro-Separator/Classifier by Euler-Granular Model," AIChE Spring National Meeting, 130c, Atlanta, U.S.A. (2005b)
15. Ookawara, S., N. Oozeki and K. Ogawa; "Experimental Benchmark of a Metallic Micro-Separator/Classifier Compared with Representative Hydrocycolne," AIChE Spring National Meeting, 129g, Atlanta, U.S.A. (2005c)
16. Ookawara, S., D. Street and K. Ogawa; "Numerical Study on Development of Particle Concentration Profiles in a Curved Microchannel," Chem. Eng. Sci., 61, 3714-3724 (2006)
17. Ookawara, S., T. Ishikawa and K. Ogawa; "Applicability of a Miniaturized Micro-Separator/Classifier to Oil-Water Separation," Chem. Eng. Technol., 30, 316-321 (2007a)
18. Ookawara, S., M. Agrawal, D. Street and K. Ogawa; "Quasi Direct Numerical Simulation of Lift Force-Induced Particle Separation in a Curved Microchannel by Use of a Macroscopic Particle Model," Chem. Eng. Sci., 62, 2454-2465 (2007b)
19. Saffman, P. G.; "The Lift Force on a Small Sphere in a Slow Shear Flow," J. Fluid Mech., 22, 385-400 (1965)
20. Saffman, P. G.; "Corrigendum to 'The Lift Force on a Small Sphere in a Slow Shear Flow'," J. Fluid Mech., 31, 624 (1968)