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传热学
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ISSN 打印: 1064-2285
ISSN 在线: 2162-6561

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传热学

DOI: 10.1615/HeatTransRes.v29.i4-5.220
pages 358-361

Laws Governing Local Heat Transfer in a Circulating Bed

V. A. Borodulya
A. V. Luikov Institute of Heat and Mass Transfer, National Academy of Sciences of Belarus, Minsk, Belarus
Yu. S. Teplitskii
Academic Scientific Complex "A. V. Luikov Heat and Mass Transfer Institute," National Academy of Sciences of Belarus, Minsk, Belarus
Yu. G. Yepanov

ABSTRACT

Local heat transfer coefficients between a circulating fluidized bed and a vertical gauge of 12.2 mm diameter and length 50 mm are measured. It is found that the coefficients greatly depend on the velocity of the filtering and of the particle circulating flow. Correlations are obtained for calculating bed density distribution over the riser height and the coefficient of heat transfer between a bed and a riser wall.


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