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Heat transfer around a horizontal tube in freeboard region of fluidized beds
Author(s) -
Biyikli S.,
Tuzla K.,
Chen J. C.
Publication year - 1983
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.690290503
Subject(s) - freeboard , heat transfer , mechanics , fluidized bed , fluidization , tube (container) , materials science , atmospheric pressure , particle (ecology) , meteorology , thermodynamics , environmental science , geology , composite material , physics , oceanography
An experimental investigation was carried out to measure local and average heat transfer coefficients for horizontal tubes located in freeboard region of air fluidized beds. Tests were carried out at room temperature and atmospheric pressure in a rectangular fluidized bed, with mean particle diameters of 275 to 850 μm. Both local and average heat transfer coefficients were found to vary with particle diameter, flow rate, static bed depth, and elevation in the freeboard region.