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| 1 | Investigation of proper modeling of very dense granular flows in the recirculation system of CFBs显示文摘The aim of this paper is the development of new models and/or the improvement of existing numerical models,used for simulating granular flow in CFB(circulating fluidized bed) recirculation systems.Most recent models follow the TFM(two-fluid model) methodology,but they cannot effectively simulate the inter-particle friction forces in the recirculation system,because the respective stress tensor does not incorporate compressibility of flow due to change of effective particle density.As a consequence,the induced normal and shear stresses are not modeled appropriately during the flow of the granular phase in the CFB recirculation system.The failure of conventional models,such as that of von Mises/Coulomb,is mainly caused by false approximation of the yield criterion which is not applicable to the CFB recirculation system.The present work adopts an alternative yield function,used for the first time in TFM Eulerian modeling.The proposed model is based on the Pitman-Schaeffer-Gray-Stiles yield criterion.Both the temporal deformation of the solid granular phase and the repose angle that the granular phase forms are more accurately simulated by this model.The numerical results of the proposed model agree well with experimental data,implying that frictional forces are efficiently simulated by the new model. | Aristeidis Nikolopoulos Nikos Nikolopoulos Nikos Varveris Sotirios Karellas Panagiotis Grammelis Emmanuel Kakaras | 2012 | Particuology2012，10，6： | 7 |
| 2 | Inhibitors of the proteasome block the degradation of most cell proteins and the generation of peptides presented on MHC class I molecules显示文摘 | Rock KL Gramm C Rothstein L | 1994 | Cell1994，78，5： | 1 |
| 3 | Ther- mogravimetric studies of the behavior of lignite-biomass blends during devolatilization 显示文摘 | Kastanaki E Vamvuka D Grammelis P | 2002 | Fuel Processing Technology2002，77，1： | 1 |
| 4 | 查看详情显示文摘 | (O)zyürek Z Komber H Gramm S Schmaljohann D Müller A H E Voit B | | 0，，10： | 1 |
| 5 | Measurement of plasma catecholamines by high-performance liquid chromatography with electrochemical detection in intensive care patients after dobu-tamine infusion显示文摘 | J. Zimmermann R. Dennhardt H.J. Gramm | | 0，，： | 1 |
| 6 | The single sheet tester-Its acceptance, reproducibility, and application issues on grain-oriented steel显示文摘 | GIRGIS R GRAMM K SIEVERT J | 1998 | J de Physique1998，8，： | 1 |
| 7 | Pyrolysis kinetics and combustion characteristics of waste recovered fuels显示文摘 | GRAMMELIS P BASINAS P MALLIOPOULOU A | 2009 | Fuel2009，88，1： | 1 |
| 8 | Percutaneous Pacemaker and lmplantable Cardioverter-Defibrillator Iad Ex- traction in 100 Patients With lntracardiac Vegetations Defined by Transesophageal Echocardiogram 显示文摘 | Grammes JA Schulze CM AI-Bataineh M | 2010 | J Am Coil Cardiol2010，55，： | 1 |
| 9 | Worstcase upper bounds for MAX-2- SAT with an application to MAXCUT 显示文摘 | GRAMM J HIRSCH E A NIEDERMEIER R | | Discrete Applied Mathematics0，2003，： | 1 |
| 10 | Thermogravimetric studies of the behavior of lignite biomass blends during devolatilization显示文摘 | Kastanaki E Vamvuka D Grammelis P | 2002 | Fuel Processing Technology2002，7778，： | 1 |
| 11 | Low power virtual sensorarray based on a micromachined gas sensor for fast discriminationbetween H2,CO and relative humidity显示文摘 | Ankara Z Kammerer T Gramm A | 2004 | Sensors and ActuatorsB Chemical2004，100，12： | 1 |
| 12 | A role for the ubiquitin-dependent proteolytic pathway in MHC class I- restricted antigen presentation显示文摘 | MICHALEK M T GRANT E P GRAMM C | 1993 | Nature1993，363，6429： | 1 |
| 13 | BAD and gluco-kinase reside in a mitochondrial complex that integrates glycolysis and apoptosis 显示文摘 | Danial NN Gramm CF Scorrano L | 2003 | Nature2003，424，6951： | 1 |
| 14 | BAD and glucokinase reside in a mitochondrial complex that integrates glycolysis and apoptosis显示文摘 | Gramm CF Scorrano L | 2003 | Nature2003，424，6951： | 1 |
| 15 | Effects of biomass co-firing with coal on ash properties(Part Ⅰ): Characterisation and PSD显示文摘 | Grammelis P Skodras G Kakaras E | 2006 | Fuel2006，85，16： | 1 |
| 16 | Hetero- geneity of synovial molecular patterns in patients with arthritis显示文摘 | Lauwerys BR Hernandez-Lobato D Gramme P | 2015 | PLoS One2015，10，01： | 1 |
| 17 | Low temperature and peptides favor the formation of class Ⅰ heterodimers on RMA-S cells at the cell surface 显示文摘 | Rock KL Gramm C Benacerraf B | 1991 | PNAS1991，88，： | 1 |
| 18 | The Kinetics of metamizol and its metabolites in critical-care patients with acute renal dysfunction显示文摘 | Heinemeyer G Gramm HJ Roots I | | 0，，05： | 1 |
| 19 | 显示文摘 | Skodras G Grammelis P Basinas P | 2006 | Industrial En- gineering Chemistry Research2006，45，11： | 1 |
| 20 | BAD and glucokinase reside in a mitochondrial complex that integrates glycolysis and apoptosis 显示文摘 | Danial NN Gramm CF Scorrano L | 2003 | Nature2003，424，6951： | 1 |
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