Measurement techniques and data interpretations for validating CFD multi phase reactor models

Chemical Engineering Communications

Volumn 186, Issue , 2001, Pages 56-159

  Tayebi, Davoud ^a   Svendsen, Hallvard F ^b   Jakobsen, Hugo A ^b   Grislingås, Arne ^c  

^a SINTEF   (Norway)

^b NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Norway)

^c STATOIL   (Norway)

Author keywords

Averaging procedures; Model validation; Solids and fluid properties

Indexed keywords

COMPUTATIONAL FLUID DYNAMICS; MATHEMATICAL MODELS; MULTIPHASE FLOW;

REACTOR MODELING;

CHEMICAL REACTORS;

COMPUTATIONAL FLUID DYNAMICS; MEASUREMENT METHOD; MODEL TEST; MULTIPHASE FLOW; REACTOR;

EID: 0035740445     PISSN: 00986445     EISSN: None     Source Type: Journal    
DOI: 10.1080/00986440108912870     Document Type: Article

References (265)

1. The characterization of turbulent fluid-bed hydrodynamics
2. Quantitative capacitance measurements of voidage in dense gas-solid flows
3. Comparative study of non-isokinetic sampling probes for solids flux measurement in circulating fluidized beds
4. Measurements of bubble behaviour in a pressurized fluidized bed burning coal, using capacitance probes
5. Measurements of bubble behaviour in a pressurized fluidized bed burning coal, using capacitance probes
6. Measurements of bubble behaviour and the oxygen distribution in a pilot scale pressurized fluidized bed burning coal
7. Residence time distribution of solids in a circulating fluidized bed: Experimental and modelling studies
8. Calculation of optic fiber calibration curves for the measurement of solids volume fractions in multiphase flows
9. Experimental studies on dilute gas and cohesive particle flow behavior using Laser Doppler Anemometer
10. Solids flow structures in a two-dimensional riser of a circulating fluidized bed
11. Hydrodynamics of circulating fluidized beds with risers of different shape and size
12. Solids mixing in an expanded top fluid bed
13. Operation of a circulating fluid-bed cold flow model of the 100 B/D MTG demonstration plant
14. Velocity analysis of the solid phase in circulating fluidized bed by using a phase doppler analyser
15. Mapping solid concentration in a circulating fluid bed using gammametry
16. Use of a momentum probe and gammadensitometry to study local properties of fast fluidized beds
17. Measurement of drop sizes
18. A new measuring system for flow patterns of solid particles in gas-solid fluidized bed
19. Gas/solids flow pattern in a 30.5-cm-diameter circulating fluidized bed
20. Measuring solids concentration in fluidized systems by Gamma-ray absorption
21. Investigation of heat transfer coefficient pulsations and of the mechanism of heat transfer from a surface immersed into a fluidized bed
22. Similarity of radial profiles of solid volume fraction in a circulating fluidized bed
23. The fluid dynamics in the freeboard of an FBC - The use of LDV to determine particle velocity and size
24. Hydrodynamics of gas-solid flow in a catalytic cracker riser: Implications for reactor selectivity performance
25. Behaviour of single solids and their binary mixtures in a circulating fluidized bed
26. Microstructural aspects of the behaviour of circulating fluidized beds
27. Study of the influence of blade speed on the performance of a powder mixer using positron emission particle tracking
28. Application of capacitance tomography to pneumatic conveying processes
29. Numerical prediction of flow fields in baffled stirred vessels: A comparison of alternative modelling approaches
30. The measurements of bubble properties in two-phase dispersions-III
31. The physical and mass transfer properties of bubbles in fluidized beds of electrically conducting particles
32. Interaction between bubbles and fibre optic probes in a bubble column
33. Bed-surface contact dynamics for horizontal tubes in fluidized beds
34. Fluid dynamic similarity of circulating fluidized beds
35. Measurement of fluid mechanic and heat transfer characteristics in a circulating fluidized bed
36. Experimental study of bed-to-wall heat transfer in a circulating fluidized bed
37. Particle image velocimetry for characterizing the flow structure in three-dimensional gas-liquid-solid fluidized beds
38. Review of experimental methods for studying the hydrodynamics of gas-solid fluidized beds
39. Hydrodynamics and mixing of solids in a recirculating fluidized bed
40. Turbulent flow in closed and free-surface unbaffled tanks stirred by radial impellers
41. Simultaneous in-situ determination of particle loadings and velocities in a gaseous medium
42. The rate of solid loss in a circulating fluid bed following a loss of circulation accident
43. Drop size distributions and coalescence frequencies of liquid-Liquid dispersions in flow vessels
44. Optoelectronic technique for the characterization of high concentration gas-solid suspension
45. Bubble measurement in three-phase fluidized beds using a u-shaped optical fibre
46. On the use of averaging operators in two phase flow modeling
47. On the averaging operators introduced in two-phase flow
48. Mathematical modeling of two-phase flow
49. Analytical modeling of multiphase flow
50. Size structure and dynamics of "large" bubbles in a two-dimensional slurry bubble column
51. Efficient reconstruction with few data in industrial tomography
52. Flow mapping in bubble columns using CARPT
53. A bubbling fluidization model using kinetic theory of granular flow
54. Dynamic variation of solid concentration and heat transfer coefficient at wall of circulating fluidized bed
55. Radial concentration profiles in a fast fluidised bed
56. Gas-solids contact efficiency in a high-velocity fluidised bed
57. The D ring sensor - A novel method for continuously measuring the solid circulation rate in CFB reactors
58. Use of microwaves in the measurements of frequencies and amplitudes in liquid hold-up fluctuations
59. Eulerian two-phase flow theory applied to fluidization
60. Simulation of fluid dynamics of a bubbling fluidized bed. Experimental validation of the two-fluid model and evaluation of a parallel multiblock solver
61. Fiber optic and capacitance probes in turbulent fluidized beds
62. Three axis velocity probe system
63. Equations des gaz turbulents compressibles
64. A photographic technique for determining the velocities of liquid droplets flowing in an air stream
65. Stromungsstructur in Blasensaulen
66. Review papers sampling of aerosols
67. The use of capacitance probes in gas fluidized beds
68. The use of pressure probes in fluidized beds of group A powders
69. Fluidization quality: A criterion for indeterminate stability
70. Collisional viscosity of FCC particles in a CFB
71. Simplified scaling relationships for fluidized beds
72. A film-penetration approach for the heat transfer between a gas-fluidized bed and a vertical wall
73. Local bubble properties in 40 and 80 cm diameter fluidized beds
74. Flow phenomena in stirred tanks: I. The impeller stream
75. The measurements of bubble flows in fluidized beds by electrical probes
76. Capacitance probe measurements of solids volume concentrations and velocities inside an industrial circulating fluidized bed
77. Observations of fluidized bed coalescence using capacitance imaging
78. Observations of a fluidized bed using capacitance imaging
79. Velocity profiles, gas and solids, in fast fluidized beds
80. Flow structures in fast fluidized beds
81. Analysis of the local structure of the two phase flow in a fast fluidized bed
82. Solids concentration and velocity patterns in circulating fluidized beds
83. Faseroptisches MeBsystem zur Erfassung lokaler Feststoff-Konzentrationen und -Geschwindigkeiten in høher konzentrierten Gas/ Feststoff-Strømungen
84. Simultaneous measurement of two-dimensional velocity and direction of liquid flow by cross-correlation method
85. Full-field bubbly flow velocity measurements using a multiframe particle tracking technique
86. PIV flow visualization using particle tracking techniques
87. Microscope visualization of solid particles in circulating fluidized beds
88. Velocity profile measurement in two-phase flows
89. Particle velocity profiles and solid flow patterns in spouted beds
90. Measurements of voidage profiles in spouted beds
91. Decomposition of NaHCO in laboratory bench scale circulating fluidized bed reactors
92. Distribution of solid concentrations in circulating fluidized bed
93. Solid mass fluxes in circulating fluidized beds
94. Coal combustion in a transparent circulating fluidized bed
95. Solid distribution and movement in circulating fluidized beds
96. Simultaneous gas and solid velocity measurements in turbulent and fast fluidized beds
97. Three-Dimensional flow visualization of dilutely dispersed solids in bubbling and circulating fluidized beds
98. Tomographic imaging of two-component flow using capacitance sensors
99. Design of sensor electronics for electrical capacitance tomography
100. Capacitance tomography: Reconstruction based on optimization theory
101. The flow structures of a circulating fluidized bed
102. A theory for the rapid flow of identical, smooth, nearly elastic, spherical particles
103. Bubble behavior in bubbling fluidized beds of binary particles
104. Measurement of particle velocities in a cyclone
105. Pressure fluctuations in a fluidized bed with and without screen cylindrical packings
106. Monitoring the fluidization characteristics of polyolefin resins using X-ray computer assisted tomography scanning
107. Measurements of solids behaviour in a fast fluidized bed
108. An investigation of the parameters of moving particles in a fluidized bed by a radioisotopic method
109. Particle clustring in down flow reactors: Application of a novel fiber optic sensor
110. Application of computational fluid dynamics to chemical reaction engineering
111. Gas-holdup measurements in bubble columns using computed tomography
112. On the development of multidimensional two-fluid models for vapor/liquid two-phase flows
113. Gas-solids contacting in fluidized beds
114. A Gamma-ray detection system for 3-D particle tracking in multiphase reactors
115. Boundary layers-first measurements in the 12 MW CFB research plant at Chalmers University
116. Laser Doppler measurements of flow in freeboard of a fluidized bed
117. Micro-visualization of two-phase structure in a fast fluidized bed
118. A novel radioactive particle tracking facility for measurement of solids motion in gas fluidized beds
119. Statistical study of the pressure fluctuations in a fluidized bed
120. Optical fiber measurements of particle concentration in dense suspensions: Calibration and simulation
121. Measurements of the effective dielectric permittivity of suspensions
122. Measurements of voidage near the wall of a circulating bed riser
123. Optical fiber measurements of particle velocity using laser-induced phosphorescence
124. The measurement of particle concentration with optical fiber probes
125. Guarded capacitance probes for measuring particle concentration and flow
126. Experimental techniques
127. Kinetic theories for granular flow: Inelastic particles in Couette flow and slightly inelastic particles in a general flowfield
128. Gas and solid behavior in cracking circulating fluidized beds
129. Chaotic behavior of gas-Solids flow in the riser of a laboratory-scale circulating fluidized bed
130. The use of optical fiber probes for the measurement of dilute particle concentrations: Calibration and application of gas fluidized bed carryover
131. Use of tomographic technology for fluid-based conveying processes
132. Solid particle velocity measurements
133. Dense, vertical gas-Solid flow in a pipe
134. Overall and local characterisation of flow regimes in a circulating fluidized bed
135. Holdup and flow pattern of solid particles in freeboard of gas-Solid fluidized bed with fine particles
136. Measurements of local fines movement in a fluidized bed of coarse particles by a flourescent tracer technique
137. LDA measurements and CFD modelling of gas-Liquid flow in a stirred vessel
138. Experimental and numerical investigations of solids mixing in a gas fluidized bed
139. Radioactive particle tracking technique for investigation of phase recirculation and turbulence in multiphase systems
140. Measurement of flow of solid particles in gas fluidized bed
141. Bubble fraction and voidage in an emulsion phase in the transition to a turbulent fluidized bed
142. Local solids concentration measurement in a slurry mixing tank
143. Measurements of solids concentration, velocity and momentum distribution in a cold CFB unit
144. A new method for evaluating the size of moving particles with a fiber probe
145. The measurement of local velocity of solid particles
146. A new method for evaluating the size of moving particles with a fiber optic probe
147. Particle velocity in fluidized beds
148. Laser Doppler techniques for flow measurement
149. The velocities of slugs in fluidized beds
150. The properties of bubbles in fluidized beds of conducting particles as measured by an electroresistivity probe
151. Positron emission particle tracking - A technique for studying flow within engineering equipment
152. Process engineering studies using positron-based imaging techniques
153. Fundamentals of turbulent gas-solid flows applied to circulating fluidized bed combustion
154. Measurements of fluctuations in motion of particles in a dense gas-solid suspension in vertical pipe flow
155. Determination of the local bubble size distribution in gas-solid fluidized beds
156. Lateral particle motion and its effect on particle concentration distribution in the riser of CFB
157. Application of optical fibers to measurement and display of fluidized systems
158. Measurement of voidage in fluidized beds by optical probes
159. Estimation of effective measuring volume of single-fibre reflection probes for solid volume concentration measurements
160. On the dynamical theory of incompressible viscous fluids and the determination of the criterion
161. On the momentum equations in dispersed two-phase systems
162. Measurements of radial and axial solids flux variations in the riser of a circulating fluidized bed
163. Modelling the flow structure of upward-flowing gas-solids suspensions
164. Effects of operating conditions on longitudinal solids mixing in a circulating fluidized bed riser
165. Particle motion at the wall of a circulating fluidized bed
166. A simple non-isokinetic sampling probe for dense suspensions
167. Properties of bubbles in three phase fluidized beds as measured by an electroresistivity probe
168. An X-ray study of bubbles in fluidized beds
169. The mechanisms of solids mixing in fluidized beds
170. The bubbling behaviour of the powders when fluidised
171. The velocity of sound in fluidised beds
172. The stress tensor in granular flow at high shear rates
173. Measurements of solids concentration profile around the periphery of an immersed tube in a three-dimensional gas-fluidized bed
174. An image-carrying fiber optic probe to investigate solids distribution around an immersed surface in a gas-fluidized bed
175. Modern catalytic-cracking design
176. Analysis of particle motion in a very shallow fluidized bed
177. Analysis of highspeed CT scanners for non-medical applications
178. Flow characterization in high-velocity fluidized beds using pressure fluctuations
179. Two-dimensional model for circulating fluidized-bed reactors
180. An X-ray-Gamma-ray method of measurement of binary solids concentrations and voids in fluidized beds
181. Tomographic determination of the voidage structure of gas fluidized beds in the jet region
182. Particle velocity in gas-fluidised beds
183. The flight time technique for simultaneous measurements of particle flow parameters using laser-Doppler anemometry (LDA)
184. Application of Gamma-ray to gas fluidised and spouted beds
185. Utilization of the pressure differential records from gas fluidized beds with internals for bubble parameters determination
186. Experimental determination of cluster size and velocity in circulating fluidized bed
187. Measurement of solids concentration by an ultrasonic transmission technique
188. Application of an electrical conductivity microprobe for the characterization of bubble behavior in gas-liquid bubble flow
189. Accounting for the effect of turbulent flow in large-bore fluidized bed pressure probeds
190. Experimental determination and modelling of bubble size distribution bubble columns
191. Use of the attenuation of acoustic pulsed waves for concentration measurement in gas-solid pipe flow
192. Droplet transport in oil/gas flow
193. Dynamics of fluidized-bed reactors: Development and application of a new multifiber optical probe
194. Simultaneous measurement of local particle velocities, solids volume fractions and bubble properties
195. Measurement of particle cloud density and velocity using laser devices
196. 3-D Turbulence structure and phase distribution measurements in bubbly two-phase flow
197. Particle velocity measurements in a circulating fluidibed bed
198. Radial solid concentration profiles in a slurry bubble column measured by ultrasonic method
199. Application of a Gamma-radiation density gauge for determining hydrodynamic properties of fluidized beds
200. Single particle behavior in circulating fluidized beds
201. Radial solid density variation in a fast fluidized bed
202. Radial variation in void fraction in a fast fluidized bed
203. An evaluation of the actual density in the acceleration section of vertical risers
204. The measurement of turbulence quantities in a high velocity fluidized bed
205. The local structure of gas fluidized beds -I. A statistically based measuring system
206. MeBtechniken fur Gas/FeststoffWirbelschichtreaktoren
207. Radial mixing of gas in the core zone of a pilot scale CFB
208. Measurement techniques for gas-solid fluidized-bed reactors
209. A fiber-optical sensor for high-temperature application in fluidized bed combustion
210. Lateral solid mixing measurements in circulating fluidized beds
211. Advances in theory of fluid motion in porous media
212. Fluidization in large scale equipment
213. Transport velocity of coarse particle in multi-solid fluidized bed
214. Feststoffkonzentration und - geschwindigkeiten in wandnaben bereichen zirkulierender wirbelschichten
215. Electrical capacitance tomography for flow imaging: System model for development of image reconstruction algorithms and design of primary sensors
216. Liquid backmixing in bubble columns via computer-automated radioactive particle tracking (CARPT)
217. Characteristics of gas pockets in fluidized beds
218. Voidage variations in the regions surrounding a rising bubble in a fluidized bed
219. Size distribution of bubbles in gas fluidized beds
220. Radial voidage profiles in a fast fluidized bed
221. Fluid-dynamic boundary layers in CFB boilers
222. Radial voidage profiles in fast fluidized beds of different diameters
223. Particle motion in circulating and revolving fluidized beds via microcomputer-controlled coulour-stroboscopic photography
224. Experimental study on radial gas dispersion and its enhancement in circulating fluidized beds
225. Particle cross-flow, lateral momentum flux and lateral velocity in a circulating fluidized bed
226. Cluster structure in a circulating fluidized bed