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Characteristics of the Lateral Particle Distribution in Circulating Fluidized Red Boilers
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- Zhang, Wennan, 1962 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Johnsson, Filip, 1960 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Leckner, Bo G, 1936 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
- (creator_code:org_t)
- 1993
- 1993
- English.
- In: Proc of the 4th International Conference on Circulating Fluidized Beds. ; , s. 266-273
- Conference paper (peer-reviewed)
Abstract
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- The local time-averaged solids volume fraction was measured in the 12MW~1 Circulating Ruidized Bed (CFR) boiler at Chalmers University of Technology. It was found that the corelwall-layer structure of the flow pattern observed in small-scale beds also characterizes large-scale CFR boilers. The local solids volume fractions close to the wall and in the core region of the furnace were found to be directly proportional to the cross-sectional average solids volume fraetjon, c, as ohtained from pressure rneasurements. If the shape of the membrane-tube wall is taken into account, the relationship for the solids fraction close to the wall (related to a plane wall) is c~=3.6c, which is similar to that reported in literature for plain walls.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Keyword
- Boiler
- Lateral particle distribution
- Fluid dynamics
- Circulating fluidized bed
Publication and Content Type
- kon (subject category)
- ref (subject category)
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