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Turbulent flow in concentric annuli
Author(s) -
Clump Curtis W.,
Kwasnoski Daniel
Publication year - 1968
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.690140128
Subject(s) - turbulence , mechanics , eddy diffusion , thermal diffusivity , concentric , flow (mathematics) , nonlinear system , thermodynamics , materials science , physics , mathematics , geometry , quantum mechanics
An eddy diffusivity model was developed and used to predict velocity distributions for turbulent flow of air in annuli. Comparison of distributions calculated by the model with experimental data shows that good agreement between calculated and measured values can be attained for core‐to‐shell ratios from 0.001 to 0.990. The significant advantage of using a diffusivity model to predict velocity distributions lies in the inherent ability to consider systems with nonlinear stress distributions.