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Flow and mass transfer near an enclosed rotating disk: Experiment

✍ Scribed by G.D. Lehmkuhl; J.L. Hudson


Publisher
Elsevier Science
Year
1971
Tongue
English
Weight
703 KB
Volume
26
Category
Article
ISSN
0009-2509

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✦ Synopsis


The flow near a disk rotating in a cylinder of water was studied by using dye tracers and by taking time exposure photographs of neutrally buoyant beads. The rotational Reynolds number was large so that boundary layers formed on all surfaces. The rate of dissolution of cinnamic acid from the disk face was measured in order to determine the effect of the enclosure on mass transfer. There is no effect of the ratio of cylinder radius to disk radius on mass transfer within experimental accuracy; there is no effect of cylinder height for Ren > 50 (approximately) where Ren is the rotational Reynolds number based on the axial distance from the disk to the cylinder bottom. A mass transfer analysis is presented.


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