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A gas convection model of heat transfer in large particle fluidized beds
Author(s) -
Adams Ronald L.,
Welty James R.
Publication year - 1979
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690250303
Subject(s) - heat transfer , isothermal process , mechanics , cylinder , convection , bubble , fluidized bed , turbulence , particle (ecology) , convective heat transfer , thermodynamics , fluidization , materials science , chemistry , physics , geology , mechanical engineering , engineering , oceanography
A steady gas convection model of heat transfer to a horizontal cylinder immersed in a large particle gas fluidized bed has been developed. The model is based upon the hypothesis that the large particles will be isothermal and includes the effect of radiation as well as interstitial turbulence. Results of calculations based on the model, for a two‐dimensional bubbling bed, indicate that a single bubble, having a diameter equal to the cylinder diameter, has a relatively small influence on the total heat transfer.