Experimental Study of Clarification of Vortex Structure by Changing Disk Acceleration Time

Authors: Hiroyuki Furukawa, Akihiro Wada, Takashi Watanabe

Disks with two different dimensions were used to clarify the differences in final vortex structures generated by the change in disk acceleration time. The experiment results and calculated results of vortex structures match when the disk thickness is 20 mm and the Reynolds number is 5000 – 15000. Also, they match when the disk thickness is 30 mm with a Reynolds number from 3000 – 5000 and 9000 – 20000. Even when the size of the disk and the Reynolds number are the same, the final vortex structures can be different due to differences in the disk acceleration time.


Journal: World Journal of Mechanics
DOI: 10.4236/wjm.2017.78017 (PDF)
Paper Id: 78051 (metadata)

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