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Publication
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| Title of Article |
Effect of transverse rib on heat transfer between circulating fluidized bed and membrane fins of water wall membrane tubes |
| Date of Acceptance |
19 March 2018 |
| Journal |
| Title of Journal |
Powder Technology |
| Standard |
ISI |
| Institute of Journal |
elsevier |
| ISBN/ISSN |
- |
| Volume |
2018 |
| Issue |
332 |
| Month |
June |
| Year of Publication |
2018 |
| Page |
178-187 |
| Abstract |
Overall heat transfer between circulating fluidized beds (CFB) and the ribbed membrane fins of awaterwall tube was investigated experimentally in a cold model circulating fluidized bed riser. The riser had a cross sectional area of 0.1 × 0.2m2 and the height fromthe distributor plate to the riser exitwas 3.9 m. Three isosceles triangular cross section prisms having a height to base width ratio (e/B) of 0.54 corresponding to the height to riser diameter
ratios (e/D) of 0.019, 0.038 and 0.06, respectively were used as ribs. The ribs were installed transversely on the fins with three rib spacings (S) of 0.4 m, 0.5 mand 0.6 m. Local sand having an average diameter of 315 μm was used as the bed material. It was found that the heat transfer coefficients and the cluster solid fractions of the ribbed membrane fins were higher than those of the membrane fin, and varied with the rib spacing and the rib height to diameter ratio in the same manner. In addition, cluster contact time of the ribbed membrane fins was shorter than that for the membrane fin without ribs. |
| Keyword |
CFB, Bed to wall heat transfer, Particle convection, Heat transfer enhancement, Membrane water wall tube |
| Author |
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| Reviewing Status |
มีผู้ประเมินอิสระ |
| Status |
ได้รับการตอบรับให้ตีพิมพ์ |
| Level of Publication |
นานาชาติ |
| citation |
true |
| Part of thesis |
true |
| Attach file |
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| Citation |
0
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Journal Publication
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