2 edition of Liquid-fluidized-bed heat exchanger flow distribution model found in the catalog.
Liquid-fluidized-bed heat exchanger flow distribution model
L. T. Cole
1979 by Dept. of Energy, Idaho Operations Office, Idaho National Engineering Laboratory, for sale by the National Technical Information Service] in [Idaho Falls, Idaho], [Springfield, Va .
Written in English
|Statement||by L. T. Cole, C. A. Allen ; prepared for the Department of Energy, Idaho Operations Office ....|
|Series||ICP ; 1151, ICP -- 1151.|
|Contributions||Allen, C. A., United States. Dept. of Energy. Idaho Operations Office., Allied Chemical Corporation. Idaho Chemical Programs Operations Office., Idaho National Engineering Laboratory.|
|The Physical Object|
|Pagination||iii, 15 p. :|
|Number of Pages||15|
Modelling is an intellectual activity requiring experience, skills, judgment and the knowledge of scientific facts. Table 1. Temperature variations occur in some beds near zones where large quantities of relatively hot or cold particles are injected; however, these temperature variations are generally small. Kinetics of Electrolytic Corrosion Reactions D. Gelperin Moscow: Ministry of Higher Education,p.
With this end in view experimental study was initiated by Holman et. Vainberg, N. He also demonstrated theoretically that the surface flow in the direction against the waves can break them. This phenomenon state that a bubble in aqueous surfactant solution rises much slower than one in purified water.
No single list can adequately illustrate the diversity and ubiquity; consequently, any attempt at a comprehensive treatment of multiphase flows is flawed unless it focuses on common phenomenological themes and avoids the temptation to digress into lists of observations Christopher Voltammetry of Proteins F. Limited agitation can be imparted to the solids by mechanical means, either by movement of the vessel itself, as in rotary driers and kilns, or by internal impellers. Van Heerden et. The shape and the orientation of the bubble can have significant effects on the flow around the bubble. The techniques of gas injection have been widely utilized in many engineering fields as materials, chemical, mechanical, and environmental engineering for improving chemical reactions, waste treatment, gas mixing and resolution, heat and mass transfer, and so on.
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Diffusion and Migration J. Furthermore, an object with a higher density than the bed will sink, whereas an object with a lower density than the bed will float, thus the bed can be considered to exhibit the fluid behavior expected of Archimedes' principle. Furthermore, it is observed that the drag coefficient of light solid spheres differs from that of heavy solid spheres Karamanev et al.
Derksen: Solid particle dispersion in agitated tanks based on LES. The effect is more pronounced for smaller bubbles since, for a Liquid-fluidized-bed heat exchanger flow distribution model book surface tension difference, the Marangoni force becomes larger relative to the buoyancy force as the bubble size decreases.
For porosities Liquid-fluidized-bed heat exchanger flow distribution model book than 0. Scanning Electrochemical Microscopy B. Romankov and N. Contamination of the water may result in solid-sphere like behavior of the bubble.
As such the surface of the bed is less smooth and larger particles can be entrained from the bed than for stationary beds. Complex models with a high hierarchy and complex part connections followed by more and more simulations can contribute to the success of this modern type of chemical engineering research.
Minoura and T. Japan, 11—5. Sundaresan: A numerical study of planar wave instabolities in liquid fluidized beds. In this regard fluidization by gases and liquids are distinctively different because particle convection is the predominant mechanism of heat transfer in gas fluidized beds.
The dynamics of the bed is then different from the other types of fluidized beds because of strong confinement effects, and the presence of granular plugs, consisting of regions with high concentrations in solids alternating with low solids concentrations, is common .
Physical mechanism The heat transfer from fluidized particles to the surrounding medium depends primarily on the flow around the individual particles.
Several numerical solutions of the two-phase flow equations have been presented in the last decade. Nevertheless, the computer power and speed required to do this is far beyond present capability for most of the flows that are commonly experienced. Recent developments in modeling using advanced computational techniques are introduced B.
Chromium, Molybdenum and Tungsten Christopher J. Fluidized bed technology in dryers increases efficiency by allowing for the entire surface of the drying material to be suspended and therefore exposed to the air. Crevice Corrosion R.
Derksen and J. Vanadium Electrochemistry Michael J. Cohen, et al. Derksen, and W. Lim, and J. Characteristically a lot of gas is emitted with the oil, and a plume develops due to the presence of bubbles formed by this gas Topham bubbling fluidization with the failure of such systems to approximate sufficiently to this condition.
This idea was first proposed by Wallis () Liquid-fluidized-bed heat exchanger flow distribution model book a research institute report.
It appeared in the open literature, cast in somewhat more general terms, some years later with the publication of his book. Get this from a library! Liquid-fluidized-bed heat exchanger flow distribution model. [L T Cole; C A Allen; United States. Department of Energy. Idaho Operations Office.; Allied Chemical Corporation.
Idaho Chemical Programs Operations Office.; Idaho National Engineering Laboratory.]. Items where Institution is:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE) Gilles and Baeyens, Jan The fluidized bed air heat exchanger in a hybrid Brayton-cycle solar power plant.
International Journal of Numerical Methods for Heat & .components Industrial Examples of Multi-phase and Pdf Reactors Catalytic Gas/ Liquid Fluidized-bed Reactor Fluid Catalytic Cracking Production of (Plug Flow model) Gas-Phase component mass balance (Dispersion model) Energy Model i net S G i c c R Heat Exchanger Math.
Uploaded by. Masum Parvez. The Canning Handbook Uploaded by.Full text of "Progress In Heat And Mass Transfer Vol.8" See other formats.Circulating ebook bed heat exchanger for ice slurry production ba sed on a solid-liquid fluidized bed heat exchanger is well with our model predictions.
Two different flow regimes were.