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| 1 | Euler-Euler CFD modeling of fluidized bed:Influence of specularity coefficient on hydrodynamic behavior显示文摘Euler-Euler two-fluid model is used to simulate the hydrodynamics of gas-solid flow in a bubbling fluidized bed with Geldert B particles where the solid property is calculated by applying the kinetic theory of granular flow(KTGF).Johnson and Jackson wall boundary condition is used for the particle phase,and different amount of slip between particle and wall is given by varying the specularity coefficient(φ) from0 to 1.The simulated particle velocity,granular temperature and particle volume fraction are compared to investigate the effect of different wall boundary conditions on the hydrodynamic behavior.Some of the results are also compared with the available experimental data from the literature.It was found that the model predictions are sensitive to the specularity coefficient.The hydrodynamic behavior deviated significantly for φ = 0 and φ = 0.01 with maximum deviation found at φ = 0 i.e.free-slip condition.However,the overall bed height predicted by all the conditions is similar. | Chanchal Loha Himadri Chattopadhyay Pradip K.Chatterjee | 2013 | Particuology2013，11，6： | 7 |
| 2 | Effect of coefficient of restitution in Euler-Euler CFD simulation of fluidized-bed hydrodynamics显示文摘Collision between particles plays an important role in determining the hydrodynamic characteristics of gas-solid flow in a fluidized bed.In the present work,earlier work(Loha,Chattopadhyay.& Chatterjee,2013) was extended to study the effect of the elasticity of particle collision on the hydrodynamic behavior of a bubbling fluidized bed filled with 530-μm particles.The Eulerian-Eulerian two-fluid model was used to simulate the hydrodynamics of the bubbling fluidized bed.where the solid-phase properties were calculated by applying the kinetic theory of granular flow.To investigate the effect of the elasticity of particle collision,different values of the coefficient of restitution were applied in the simulation and their effects were studied in detail.Simulations were performed for two different solid-phase wall boundary conditions.No bubble formation was observed for perfectly elastic collision.The bubble formation started as soon as the coefficient of restitution was set below 1.0,and the space occupied by bubbles in the bed increased with a decrease in the coefficient of restitution.Simulation results were also compared with experimental data available in the literature,and good agreement was found for coefficients of restitution of 0.95 and 0.99. | Chanchal Loha Himadri Chattopadhyay Pradip K.Chatterjee | 2014 | Particuology2014，12，4： | 6 |
| 3 | Micro powder injection moulding of alumina micro-channel part 显示文摘 | JUNHU MENG NGIAP HIANG LOHA GANG FU | 2011 | Journal of the European Ceramic Society2011，，31： | 1 |
| 4 | Replication and characterization of 316L stainless steel micro mixer by micro powder injection molding显示文摘 | JUNHU MENG NGIAP HIANG LOHA GANG FU | 2010 | Journal of Alloys and Compounds2010，，496： | 1 |
| 5 | Direct laser sintering of a copper-based alloy for creating three-dimensional metal parts显示文摘 | LOHA H T WONGB Y S | 2003 | Journal of Materials Processing Technology2003，140，： | 1 |
| 6 | Knowledge, attitude and practice of family planning among senior high school students in north Gonder显示文摘 | Fantahun M Chala F Loha M | 1995 | Ethiop Med J1995，33，： | 1 |
| 7 | Preparation and characterization of activated carbon from oil palm wood and its evaluation on Methylene blue adsorption 显示文摘 | Ahmad A L Loha M M Azizb J A | 2007 | Dyes and Pigments2007，75，2： | 1 |
| 8 | Adaptive control of continuous-time systems with convex/concave parameterization显示文摘 | Annaswamy A Skantze F lohA | 1998 | Automatica1998，34，1： | 1 |
| 9 | Performanceof fluidized bed steam gasification of biomass-Modelingand experiment 显示文摘 | Loha C Chatterjee P K Chattopadhyay H | 2011 | Energy Conversion andManagement2011，52，3： | 1 |
| 10 | Provenance Variation in Seed Morphometric Traits, Germination, and Seedling Growth of Cordia africana Lam显示文摘 | Abraham Loha Mulualem Tigabu Demel Teketay Kenneth Lundkvist Anders Fries | 2006 | New Forests2006，，1： | 1 |
| 11 | Direct laser sintering of a copper-based alloy for creating three-dimensional metal parts 显示文摘 | Tanga Y Loha H T Wongb Y S | 2003 | Journal of Materials Processing Technology2003，140，： | 1 |
| 12 | Provenance variation in seed morphometric traits, germination, and seedling growth of Cordia africana Lam显示文摘 | Loha A Tigabu M Teketay D | 2006 | New Forests2006，32，1： | 1 |
| 13 | Relationship between total lym-phocyte count(TLC)and CD4count among people living withHIV,Southern Ethiopia:A retrospective evaluation显示文摘 | Deresse Daka Eskindir Loha | 2008 | AIDSRes Ther2008，5，26： | 1 |
| 14 | Provenance variation in seed morphometric traits, germination, and seedling growth of Cordia africana Lain 显示文摘 | LOHA A TIGABU M TEKETAY D | 2006 | New For- ests2006，32，1： | 1 |
| 15 | Atmospheric monitoring of the CO2 CRC Otway Project and lessons for large scale CO2 storage projects 显示文摘 | Etheridgea D Luhara A Loha Z | 2011 | Energy Procedia2011，4，： | 1 |
| 16 | Micmpropagation of citrus mitis blanco-multiple bud fonnation from ahoot and root explants in the presence of 6-Benzylarninopurine显示文摘 | Sima G E Goh C J Loha C S | 1989 | Plant Science1989，59，2： | 1 |
| 17 | Hand posture and face recognitionusing a fuzzy-rough approach 显示文摘 | Kumar P P Vadakkepat P LohA P | 2010 | International Journalof Humanoid Robotics2010，7，3： | 1 |
| 18 | Graphene oxide and rose bengal= oxidative C H functionalisation o{ tertiary amines using visible hght 显示文摘 | Pan Y Wang S Kee C W Dubuisson E Yang Y Loha K P Tan C H | 2011 | Green Chemistry2011，13，33： | 1 |
| 19 | Preserving the activity of cellulase in a batch foam fractionation process显示文摘 | Loha V Prokop A Du L | 1999 | Applied Biochemistry and Biotechnology1999，79，13： | 1 |
| 20 | Micropropagation of citrus mitis blanco-multiple bud formation from shoot and root explants in the presence of 6-benzylaminopurine显示文摘 | SIMA G E GOH C J LOHA C S | 1989 | Plant Science1989，59，2： | 1 |
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