A Heat-Mass Transfer Analogy Applied to Fully Developed Turbulent Flow in an Annulus
- 1 August 1971
- journal article
- research article
- Published by SAGE Publications in Journal of Mechanical Engineering Science
- Vol. 13 (4) , 286-292
- https://doi.org/10.1243/jmes_jour_1971_013_044_02
Abstract
A heat-mass transfer analogy based on the ‘universal’ velocity profile applied to an annulus is compared with analogy values based on similar but more sophisticated expressions for the eddy diffusivity and hence velocity profile. The difference between these analogy values and those of Chilton and Colburn (I)† are noted to be appreciable and to increase with increasing Reynolds number. Heat transfer predictions from mass transfer measurements using ‘universal’ velocity profile type analogies are compared with established results. Friction factor measurements were made and found to be up to 10 per cent higher than the values for flow in a round tube at the corresponding Reynolds number.Keywords
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