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Book synopsis

Rising gas bubbles in bubbling fluidized beds are important for all hydrodynamics related phenomena, e.g. mass transfer, gas bypassing, heat transfer, gas-solids mixing, etc. However, still many interactions of bubbles with specific operation conditions in fluidized beds are unknown. In this work, fluidized beds with vertical heat exchangers are investigated. Vertical heat exchangers are in this case used to remove the heat of reaction from the exothermal methanation reaction for the production of synthetic natural gas (SNG) from wood. Several vertical tube bank configurations varying in their diameter, tube-to-tube spacing, and arrangement (square vs. triangular) have been immersed into a lab-scale fluidized bed. By means of optical probing and pressure fluctuation measurements, their influence on the rising gas bubbles has been evaluated by means of statistical tools. Findings from these experiments are furthermore used to develop a modified approach to scale up fluidized beds with vertical internals.

Book details

Book category Books in English Technology, engineering, agriculture Energy technology & engineering Electrical engineering

• Full title: Bubbling Fluidized Bed Hydrodynamics
• Subtitle: Characterization of rising gas bubbles in fluidized beds by means of statistical tools
• Author: Martin Rüdisüli
• Language: English
• Binding: Paperback
• Number of pages: 372
• EAN: 9783838133218
• ISBN: 3838133218
• ID: 07067251
• Publisher: Sudwestdeutscher Verlag Fur Hochschulschriften AG
• Weight: 544 g
• Dimensions: 229 × 152 × 21 mm
• Date of publishing: 17. May 2012

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