1968
DOI: 10.1021/i160028a005
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Gas-Particle Heat Transfer Coefficients in Packed Beds at Low Reynolds Numbers

Abstract: J = 6~y~l . r~~ m N = 6~y k / m Q r rs R = capillary radius, cm. t t, T = V,' + Qt u = velocity of center of free bubble away from tip after force balance bubble formation i s complete, cm./sec. u, = velocity of gas through capillary, cm./sec. u, = velocity of bubble center during expansion, cm./sec. uh = velocity of residual bubble, cm./sec. V = bubble volume, cc. V F = final bubble volume, cc. V,' = force balance bubble volume, cc. x = distance covered by base of bubble, cm. y = surface tension of liquid, dy… Show more

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Cited by 79 publications
(20 citation statements)
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“…In previous studies, such models have been simplified by considering a one-dimensional model only (28). This study considers the fu -)…”
Section: Two-phase Continuum Modelmentioning
confidence: 99%
“…In previous studies, such models have been simplified by considering a one-dimensional model only (28). This study considers the fu -)…”
Section: Two-phase Continuum Modelmentioning
confidence: 99%
“…The model for the description of the heat transfer in a packed bed has been developed independently by Brodkey (1964) and Kim (1965) and by Barile (1966) and has been presented in detail by Littman et al (1968). These latter authors solved the complete set of equations for sinusoidal gas temperature inputs.…”
Section: Scopementioning
confidence: 99%
“…This simplified the analysis considerably since only two parameters had to be fitted. More recently Littman and Sliva (1970) obtained data at low Reynolds numbers for which the dispersion literature data were not available; consequently, although considerably more complex, they did fit all three parameters.…”
Section: Scopementioning
confidence: 99%
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