Koenigsdorff et al., 1995 - Google Patents
Gas-solids mixing and flow structure modeling of the upper dilute zone of a circulating fluidized bedKoenigsdorff et al., 1995
- Document ID
- 12006745621654287050
- Author
- Koenigsdorff R
- Werther J
- Publication year
- Publication venue
- Powder technology
External Links
Snippet
A steady-state model of the flow structure and mixing processes in the upper dilute zone of a circulating fluidized bed (CFB), where variations in flow parameters with height are neglected, is presented. The model is based on a two-phase structure, consisting of dense …
- 239000007787 solid 0 title abstract description 65
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/48—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/30—Control of physical parameters of the fluid carrier of temperature
- G01N2030/3007—Control of physical parameters of the fluid carrier of temperature same temperature for whole column
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
- G01F1/74—Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Koenigsdorff et al. | Gas-solids mixing and flow structure modeling of the upper dilute zone of a circulating fluidized bed | |
Grevskott et al. | Liquid circulation, bubble size distributions, and solids movement in two-and three-phase bubble columns | |
Schertz et al. | Thermal and material transport in nonisothermal packed beds | |
Du et al. | Gas and solids mixing in a turbulent fluidized bed | |
Papageorgiou et al. | Simulation models accounting for radial voidage profiles in fixed-bed reactors | |
Theologos et al. | Advanced modeling of fluid catalytic cracking riser‐type reactors | |
Basu | Heat transfer in high temperature fast fluidized beds | |
Wu et al. | A model for heat transfer in circulating fluidized beds | |
Ibrahim et al. | Hydrodynamic characteristics of a three‐phase inverse fluidized‐bed column | |
Lamine et al. | Heat transfer in a packed bed reactor with cocurrent downflow of a gas and a liquid | |
Kvamsdal et al. | Dynamic simulation and optimization of a catalytic steam reformer | |
Sun et al. | Modelling and simulation of flow maldistribution in random packed columns with gas-liquid countercurrent flow | |
Dry et al. | Gas—solids contact efficiency in a high-velocity fluidised bed | |
Gueguen et al. | Fluidization regimes of dense suspensions of Geldart group A fluidized particles in a high aspect ratio column | |
Shen et al. | Solids mixing in fluidized beds | |
Lobanov | Wall shear stress and heat transfer of downward bubbly flow at low flow rates of liquid and gas | |
Dewachtere et al. | Advanced modeling of riser-type catalytic cracking reactors | |
Han et al. | Liquid dispersion in gas-liquid-solid circulating fluidized beds | |
Ma et al. | Heat transfer between gas–solids suspension and immersed surface in an upflow fluidized bed (riser) | |
Botterill et al. | Fluid-bed behaviour at elevated temperatures | |
Marcandelli et al. | Measurement of local particle–fluid heat transfer coefficient in trickle-bed reactors | |
Bai et al. | Internal recirculation flow structure in vertical upflow gas-solid suspensions Part II. Flow structure predictions | |
Reddy et al. | Axial and radial heat transfer studies in a circulating fluidized bed | |
Ottens et al. | Transient gas–liquid flow in horizontal T-junctions | |
Cao et al. | Gas dispersion in downflowing high velocity fluidized beds |